We Provide
– Serial RS232 with desktop PCIe Card/
PCI Card embedded Mini PCIe Card/
M.2 Laptop ExpressCard/ PCMCIA CardBus
– FTDI Serial USB Adapter
– RS232 Serial over IP ethernet device server
– Converter Repeater Extender Over Cat5 cable
We Recommend

RS232 Extender Over Cat5 up to 3300 ft 1.2KM
– transfer rate up to 921Kbps
– Etherent Cat5 cable with Din Rail Wall Mount Industrial Design
All Products – Serial RS-232
1 port High Speed RS232 34mm ExpressCard
Expands 1 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports ExpressCard slot 34mm and 54mm
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux
1 port High Speed RS232 Mini PCI Express mini PCIe card
Expands 1 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 5V/12V/RI Selectable
Supports Microsoft Windows, Linux, and QNX drivers
1 port High Speed RS232 PCI Express PCIe Card
Expands 1 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 5V/12V Selectable
Supports Microsoft Windows, Linux, and QNX drivers
1 port High Speed RS232 Universal PCI Card
Expands 1 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V/12V/RI Selectable
Supports Microsoft Windows, Linux, and DOS drivers
1 port RS232 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232 Interface 1 port
15KV ESD Protection for RS-232 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 230Kbps
Two Power Supplies way, both support 9 – 30Vdc
Supports Mode: VCOM, TCP Server, TCP Client, and UDP, Paired mode
HTTP,DHCP, ICMP(PING), Static IP, and ARP supported
1 port RS232 RS422 RS485 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232/422/485 Interface 1 port
15KV ESD Protection for RS-232 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 9 – 35Vdc
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
1 port RS232 RS422 RS485 Device Server Over Ethernet PD PoE
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232/422/485 Interface 1 port
15KV ESD Protection for RS-232/422/485 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Two Power Supplies way, both support 10-48Vdc
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
32 Devices connectivity for RS-485 Max
Input voltage range 36V to 57V
600W Surge protection
1.5K isolation input to output
IEEE 802.3af POE (up to 15 Watts per Port for P.S.E)
shot-circuit output protection
Supports Industrial Specification
1 port RS232 Serial Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232 Interface 1 port
15KV ESD Protection for RS-232 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 9 – 30Vdc
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
16 port High Speed RS232 Universal PCI card
Expands 16 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports Microsoft Windows, Linux, and DOS drivers
16 port RS232 RS422 RS485 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232/422/485 Interface
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
High Speed ARM9G20 (400 MHz) CPU
Support Dual 10/100 Ethernet,LAN and WAN communication
Easy IP address configuration with front LCD panel
16 port Serial RS232 PCIe Card Industrial level
16 port Serial RS232
EXAR XR17V358 chipset
Industrial Level designs
15KV ESD protect
Windows 10 Driver
Lunix driver
QNX driver
2 port High Speed RS232 1 port ParallelPCIe card
Expands 2 RS-232 com ports and 1 port Parallel for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V/12V/RI Selectable
Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)
16byte : EPP/ECP mode
Supports Microsoft Windows 10, Linux
2 port High Speed RS232 1 port Parallel Mini PCIe card
Expands 2 RS-232 com ports and 1 port Parallel for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)
16byte : EPP/ECP mode
Supports Microsoft Windows 10, Linux
2 port High Speed RS232 1 port Parallel PCIe card
Expands 2 RS-232 com ports RS232 and 1 port Parallel for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V/12V/RI, 5V/12V/DCD selecatable
Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)
16byte : EPP/ECP mode
Supports Microsoft Windows 10, Linux
2 port High Speed RS232 1 port Parallel Universal PCI card
Expands 2 com ports RS232 for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V/12V Selectable
Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)
16byte : EPP/ECP mode
I/O Address remap – RS-232 for 3F8, 2F8, 3E8, and 2E8. Parallel – 378 and 278
Supports Microsoft Windows 10, Linux
2 port High Speed RS232 1 port Parallel Universal PCI card
Expands 2 com ports RS232 for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V/12V/RI Selectable
Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)
16byte : EPP/ECP mode
I/O Address remap – RS-232 for 3F8, 2F8, 3E8, AND 2E8. Parallel – 378 and 278
Supports Microsoft Windows 10, Linux
2 port High Speed RS232 34mm ExpressCard
Expands 2 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports ExpressCard slot 34mm and 54mm
Built-in 15KV ESD protection
Supports Industrial Specification
Supports Microsoft Windows, Linux
2 port High Speed RS232 M.2 NGFF card
Expands 2 com ports RS232 for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows 10, Linux, and QNX drivers
2 port High Speed RS232 Mini PCI Express mPCIe card
Expands 2 com ports RS-232 for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 5V/12V/RI Selectable
Supports Microsoft Windows 10, Linux, and QNX drivers
2 port High Speed RS232 PCI Express PCIe Card
Expands 2 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 5V/12V/RI Selectable for Pin 1 and Pin 9
Supports Microsoft Windows, Linux, and QNX drivers
2 port High Speed RS232 PCI Express PCIe Card
Expands 2 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 5V/12V Selectable
Supports Microsoft Windows, Linux, and QNX drivers
2 port High Speed RS232 RS422 RS485 M.2 Card
Expands 2 com ports RS232 RS422 RS485 for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports M.2 M key slot
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
2 port High Speed RS232 Universal PCI Card
Expands 2 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V/12V/RI Selectable
Supports Microsoft Windows, Linux, and DOS drivers
2 port High Speed RS232 Universal PCI Card
Expands 2 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V/12V/RI Selectable
Supports Microsoft Windows, Linux, and DOS drivers
2 port RS-232 M.2 card 2.5KV Isolation Protection
Expands 2 com ports RS232 for your system
Baud Rate up to 460Kbps
Design to meet M.2(NGFF) E key(PCIe base) compliant
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 2.5KV Isolation protection
Supports Microsoft Windows 10, Linux, and QNX drivers
2 port RS232 1 port Parallel ExpressCard
Expands 2 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Parallel – Compatibility mode, Nibble mode, Byte mode, EPP mode, and ECP mode)
16byte : EPP/ECP mode
Supports Microsoft Windows, Linux
2 port RS232 2 Port RS422 RS485 3KV Isolation Device Server
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS232 Interface 2 port
Serial RS-422/485 Interface 2 port
15KV ESD Protection
3KV Optical Isolation
600W Surge protection
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 30V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
Built in terminator 120 ohm for DIP Switch Setting
32 Devices connectivity for RS-485 Max
2 port RS232 2 Port RS422 RS485 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS232 Interface 2 port
Serial RS-422/485 Interface 2 port
15KV ESD Protection
600W Surge protection
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 30V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
Built in terminator 120 ohm for DIP Switch Setting
32 Devices connectivity for RS-485 Max
2 port RS232 3 in 1 2 Port RS422 RS485 3KV Isolation Device Server
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS232/422/485 Interface 2 port
Serial RS-422/485 Interface 2 port
15KV ESD Protection
3KV Optical Isolation
600W Surge protection
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 30V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
Built in terminator 120 ohm for DIP Switch Setting
32 Devices connectivity for RS-485 Max
2 port RS232 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232 Interface 2 port
15KV ESD Protection for RS-232 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 30V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
2 port RS232 Mini PCI Express mPCIe card 2.5KV Isolation Protection
Expands 2 com ports RS232 for your system
Baud Rate up to 460Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 2.5KV Isolation protection
Supports Microsoft Windows 10, Linux, and QNX drivers
2 port RS232 RS422 RS485 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232/422/485 Interface 2 port
15KV ESD Protection
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 30V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
32 Devices connectivity for RS-485 Max
2 port RS232 RS422 RS485 Device Server Over Ethernet PD PoE
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232/422/485 Interface 2 port
15KV ESD Protection for RS-232/422/485 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Two Power Supplies way, both support 10-48Vdc
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
32 Devices connectivity for RS-485 Max
Input voltage range 36V to 57V
1.5K isolation input to output
IEEE 802.3af POE (up to 15 Watts Per Port for P.S.E)
shot-circuit output protection
Supports Industrial Specification
2 port RS232 RS422 RS485 PCIe Card
Expands 2 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
2 port Serial RS232 PCI Express PCIe card 2.5KV Isolation Protection
Expands 2 com ports for your system
Baud Rate up to 460Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 2.5KV Isolation protection
Supports Microsoft Windows, Linux, and QNX drivers
2 port TTL Mini PCIe card USB base
Expands 2 com ports for Mini PCIe slot(USB)
High Speed Baud Rate up to 3Mbps
Built-in 15KV ESD protection
Supports Industrial Specification
Supports 5V/3.3V signal input,
Supports 5V signal output
Supports Microsoft Windows, Linux ,Mac OS-X
4 port High Speed RS232 Mini PCI Express mPCIe Card
Expands 4 com ports RS232 for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports 5V/12V/RI Selectable
Supports Microsoft Windows 10, Linux, and QNX drivers
4 port High Speed RS232 PCI Express PCIe Card
Expands 4 com RS-232 ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
5V 12V selectable
Supports Industrial Specification
256 byte FIFOs
Supports 5V/12V/RI(pin9), 5V/12V/DCD(pin1) Selectable for pin 9
Supports Microsoft Windows, Linux, and QNX drivers
4 port High Speed RS232 RS422 RS485 M.2 Card
Expands 4 com ports RS232 RS422 RS485 for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports M.2 M key slot
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows 10, Linux, and QNX drivers
4 port High Speed RS232 RS422 RS485 PCIe Card
Expands 4 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
4 port High Speed RS232 Universal PCI Card
Expands 4 com RS232 ports for your system
Low Profile Bracket
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports 5V / 12V / RI ( Pin9 ), 5V / 12V /DCD ( Pin1) Selectable
Supports Microsoft Windows 10, Linux, and DOS drivers
4 port RS232 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232 Interface 4 port
15KV ESD Protection for RS-232 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 48V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
4 port RS232 RS422 RS485 Device Server Over Ethernet
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232/422/485 Interface 4 port
15KV ESD Protection
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 48V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Supports Industrial Specification
32 Devices connectivity for RS-485 Max
4 port RS232 RS422 RS485 Device Server Over Ethernet PD PoE
Transmit and Receive and Ethernet Link and 10/100 LED driver
Gateway IP Address
Serial RS-232/422/485 Interface 4 port
15KV ESD Protection for RS-232/422/485 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Two Power Supplies way, both support 10-48Vdc
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
32 Devices connectivity for RS-485 Max
Input voltage range 36V to 57V
1.5K isolation input to output
IEEE 802.3af POE (up to 15 Watts Per Port for P.S.E)
shot-circuit output protection
Supports Industrial Specification
8 port High Speed RS232 PCI Card ESD protection standard and Low profile bracket
Expands 8 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Compatible with 3.3V/5V PCI and PCI-x slot
Power Supply through communication line(RI signal)
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs integrated UART
Supports Microsoft Windows, Linux, and DOS drivers
8 port High Speed RS232 PCI Express PCIe Card
Expands 8 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
8 port High Speed RS232 RS422 RS485 PCIe Card
Expands 8 com ports RS232 RS422 RS485 for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows 10, Linux, and QNX drivers
8 port Internal RS232 RS422 RS485 M.2 Isolation Surge
Item Number: SERM2-T3800iS
Product Description: 8 port High Speed Serial RS-232/422/485 M.2 B/M key Card supports 3KV Isolation 4KV Surge protection
Diarts designs 8 port RS232 RS422 RS485 M.2 Card, it allows embedded PC to add 8 Serial ports for system needs. M.2 B key or M key, that are newest slot the Embedded PC. That we design 8 port Serial from PCIe to M.2.
Features and Benefit
Expands 8 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
3KV Isolation protection
4KV Surge Protection
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
Supports 2280 / 2260
Specification
Hardware
Communication controller: 16C550 UART Compatible register Set
Bus: B or M key x 1
Serial Interface
Number of ports: 8 ports
Serial Standard: RS-232/422/485
IRQ and I/O Address: Assigned by System
Serial Line Protection
Isolation: 3KV Isolation protect
Surge: 4KV protection
ESD Protection: 15KV ESD Protection for all signals
Performance
Baud rate: up to 921.6 Kbps
FIFOs: 256 byte
Serial Communication Parameters
Data Bits: 5, 6, 7, 8
Stop Bits: 1, 1.5, 2
Parity: None, Even, Odd, Space, Mark
Serial Signals
RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND. RI
RS-422: TxD+, TxD- RxD+, RxD-, GND
2 Wire RS-485: Data+, Data-, GND
4 Wire RS-485: TxD+, TxD-, RxD+, RxD-, GND
Driver Support
Windows: XP, 2003, Vista, 2008, Win 7/8.1/10
Linux: 2.6
QNX: 6.0
Environmental Limits
Operating Temperature: -30 ~ 75℃
Storage Temperature: -40 ~ 85℃
Ambient Relative Humidity: 5 ~ 95% Non-Condensing
Standards and Certifications
CE and FCC supports
Product Production
Production: Made in Taiwan
Product Location: Taipei, Taiwan
Package Content
8 port M.2 B/M Key Card x 1
1 port RS232/422/485 3KV Isolation 4KV Surge 15KV ESD Adapter x8
Cable x 4
Quick Instill Guide x 1
Driver CD x 1
8 port RS232 RS422 RS485 Mini PCIe Isolation Surge
Item Number: SERMPE-T3800i
Product Description: 8 port High Speed Serial RS-232/422/485 Mini PCIe Card supports 3KV Isolation 4KV Surge protection
Features and Benefit
Expands 8 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
3KV Isolation protection
4KV Surge Protection
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
Supports Mini PCIe Full size
Specification
Hardware
Communication controller: 16C550 UART Compatible register Set
Bus: Mini PCIe slot
Serial Interface
Number of ports: 8 ports
Serial Standard: RS-232/422/485
IRQ and I/O Address: Assigned by System
Serial Line Protection
Isolation: 3KV Isolation protect
Surge: 4KV protection
ESD Protection: 15KV ESD Protection for all signals
Performance
Baud rate: up to 921.6 Kbps
FIFOs: 256 byte
Serial Communication Parameters
Data Bits: 5, 6, 7, 8
Stop Bits: 1, 1.5, 2
Parity: None, Even, Odd, Space, Mark
Serial Signals
RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND. RI
RS-422: TxD+, TxD- RxD+, RxD-, GND
2 Wire RS-485: Data+, Data-, GND
4 Wire RS-485: TxD+, TxD-, RxD+, RxD-, GND
Driver Support
Windows: XP, 2003, Vista, 2008, Win 7/8.1/10
Linux: 2.6
QNX: 6.0
Environmental Limits
Operating Temperature: -30 ~ 75℃
Storage Temperature: -40 ~ 85℃
Ambient Relative Humidity: 5 ~ 95% Non-Condensing
Standards and Certifications
CE and FCC supports
Product Production
Production: Made in Taiwan
Product Location: Taipei, Taiwan
Package Content
8 port Mini PCIe Card x 1
1 port RS232/422/485 3KV Isolation 4KV Surge 15KV ESD Adapter x 8
Quick Instill Guide x 1
Driver CD x 1
8 port RS232 RS422 RS485 Mini PCIe Isolation Surge
Item Number: SERMPE-T3800i
Product Description: 8 port High Speed Serial RS-232/422/485 Mini PCIe Card supports 3KV Isolation 4KV Surge protection
Features and Benefit
Expands 8 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
3KV Isolation protection
4KV Surge Protection
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
Supports Mini PCIe Full size
Specification
Hardware
Communication controller: 16C550 UART Compatible register Set
Bus: Mini PCIe slot
Serial Interface
Number of ports: 8 ports
Serial Standard: RS-232/422/485
IRQ and I/O Address: Assigned by System
Serial Line Protection
Isolation: 3KV Isolation protect
Surge: 4KV protection
ESD Protection: 15KV ESD Protection for all signals
Performance
Baud rate: up to 921.6 Kbps
FIFOs: 256 byte
Serial Communication Parameters
Data Bits: 5, 6, 7, 8
Stop Bits: 1, 1.5, 2
Parity: None, Even, Odd, Space, Mark
Serial Signals
RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND. RI
RS-422: TxD+, TxD- RxD+, RxD-, GND
2 Wire RS-485: Data+, Data-, GND
4 Wire RS-485: TxD+, TxD-, RxD+, RxD-, GND
Driver Support
Windows: XP, 2003, Vista, 2008, Win 7/8.1/10
Linux: 2.6
QNX: 6.0
Environmental Limits
Operating Temperature: -30 ~ 75℃
Storage Temperature: -40 ~ 85℃
Ambient Relative Humidity: 5 ~ 95% Non-Condensing
Standards and Certifications
CE and FCC supports
Product Production
Production: Made in Taiwan
Product Location: Taipei, Taiwan
Package Content
8 port Mini PCIe Card x 1
1 port RS232/422/485 3KV Isolation 4KV Surge 15KV ESD Adapter x 8
Quick Instill Guide x 1
Driver CD x 1
Bi-Directional RS232 to RS422 RS485 Converter
High Speed Baud Rate up to 921.6Kbps
Built-in Terminator 120 ohm for DIP Switch Setting
Max 10 Device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) Mode
Max 32 Device Connectivity for RS-485 Mode
Communication status can be monitored through LED
600W Surge Protection
Built-in 15KV ESD protection for all Serial Port and RS-422/485 Signals Protection
Supports Industrial Specification
No Driver Needs
Bi-Directional RS232 to RS485 3KV l Isolation
High Speed Baud Rate up to 921.6Kbps
Built-in Terminator 120 ohm for DIP Switch Setting
Max 32 Device Connectivity for RS-485 Mode
Communication status can be monitored through LED
3KV Optical Isolation Protection
600W Surge Protection
Built-in 15KV ESD protection for all Serial Port and RS-485 Signals Protection
Supports Industrial Specification
No Driver Needs
Embedded 16 port RS232 RS422 RS485 PCIe Isolation Surge
Embedded Internal Serial Ports
Expands 16 com ports for your system
High Speed Baud Rate up to 921.6Kbps
Design to meet PCI Express 2.0 Gen 1 compliant
Supports PCI Express x1, x2, x4, x8, and x16 Lane
3KV Isolation protection
4KV Surge Protection
Built-in 15KV ESD protection
Supports Industrial Specification
256 byte FIFOs
Supports Microsoft Windows, Linux, and QNX drivers
Fortifying Your Serial Communication: The 8-Port RS232 M.2 B/M Key 5KV Isolation Protection Card
The 8-Port RS232 M.2 5KV Isolation Card provides robust serial communication with high-level surge protection for demanding industrial environments
FTDI USB to 1 port RS232 5KV Isolation Adapter
Expands 1 RS-232 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
12Mbps USB Data Rate
Transmit and Receive LED supports
5KV Optical Isolation Protection
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 128 bytes and RX buffer 256 bytes
Supports Microsoft Windows, Linux, and MAC drivers
FTDI USB to 1 port RS232 Adapter Cable 10cm
Expands 1 RS-232 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 512 bytes and RX buffer 512 bytes
Supports Microsoft Windows, Linux, and MAC drivers
FTDI USB to High Speed 1 port RS232 Adapter
Expands 1 RS-232 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
12Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 128 bytes and RX buffer 256 bytes
Supports Microsoft Windows, Linux, and MAC drivers
Port Powered RS232 Extender Over Cat5
Non-Power Technology
Full-duplex Data Communication
Pure Hardware Solution-real time Data Transfer
Transfer data or files between PCs. Equipments
One CAT-5 cable extension
Industrial Standard
Compatible with all RS-232 protocols
No Software Configuration
Built-in 15KV ESD protection for all Serial Port and RJ45 Port Protection
Supports Industrial Specification
No Driver Needs
RS232 to RS422 RS485 3KV Isolation
High Speed Baud Rate up to 921.6Kbps
Built-in Terminator 120 ohm for DIP Switch Setting
Max 10 Device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) Mode
Max 32 Device Connectivity for RS-485 Mode
Communication status can be monitored through LED
3KV Optical Isolation Protection
600W Surge Protection
Built-in 15KV ESD protection for all Serial Port and RS-422/485 Signals Protection
Supports Industrial Specification
No Driver Needs
RS232 to RS422 RS485 Addressable 3KV Isolation
Transmission speed up to 115.2 kbps
Built-in microprocessor
Watchdog timer function included
All communication setups stored in EEPROM
Power and data flow indicator for troubleshooting
Built-in Terminator 120 ohm for DIP Switch Setting
Addressable and non-addressable mode configurable
Max 10 Device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) Mode
Max 32 Device Connectivity for RS-485 Mode
Communication status can be monitored through LED
3KV Optical Isolation Protection
600W Surge Protection
Built-in 15KV ESD protection for all Serial Port and RS-422/485 Signals Protection
Supports Industrial Specification
RS232 to RS422 RS485 Converter 5KV Isolation
Features and Benefit
High Speed Baud Rate up to 921.6Kbps
Built-in Terminator 120 ohm for DIP Switch Setting
Max 10 Device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) Mode
Max 32 Device Connectivity for RS-485 Mode
Communication status can be monitored through LED
5KV Optical Isolation Protection
600W Surge Protection
Built-in 15KV ESD protection for all Serial Port and RS-422/485 Signals Protection
Supports Industrial Specification
No Driver Needs
Serial RS232 3KV Isolation Adapter
3KV Isolation
2 way power supply
Full-duplex Data Communication
Pure Hardware Solution-real time Data Transfer
Transfer data or files between PCs. Equipments
Industrial Standard
Compatible with all RS-232 protocols
No Software Configuration
Built-in 15KV ESD protection for all Serial Port
Supports Industrial Specification
No Driver Needs
Serial to Fiber ST Multi-mode converter
Optical fibers enable transmission of up to 2 km
Half/Full-duplex, bidirectional transmission mode
Support for ring-mode
Support for Redundant System
Avoid lightning strikes and EMI/RFI
Prevents damage from electrostatic discharge
Stable and error-free data transmission
Automatic internal RS-485/RS485 4W bus supervision
No external flow control signals required for RS-485/RS485 4W
Transient suppression and over-current protection onRS232/422/485 data lines
LED for power and data flow indicatio
DIP SW Function Setting
Serial to Fiber ST Multi-mode Converter ring
Optical fibers enable transmission of up to 2 km
Half/Full-duplex, bidirectional transmission mode
Support for ring-mode
Support for Redundant System
Avoid lightning strikes and EMI/RFI
Prevents damage from electrostatic discharge
Stable and error-free data transmission
Automatic internal RS-485/RS485 4W bus supervision
No external flow control signals required for RS-485/RS485 4W
Transient suppression and over-current protection on
RS-232/422/485 data lines
LED for power and data flow indicatio
DIP SW Function Setting
The Ultimate Serial Communication Solution: 8-Port RS232/RS422/RS485 M.2 B/M Key 3KV Isolation Protection Card
Versatile 8-port M.2 card supporting RS232, RS422, and RS485 with 3KV isolation for reliable industrial serial communication.
Uncompromising Serial Communication: The 8-Port RS422/RS485 M.2 B/M Key 5KV Isolation Protection Card
8-Port RS422/RS485 M.2 card with 5KV isolation for robust, long-distance, multi-drop serial communication.
Unleash Connectivity: The 8-Port RS232 M.2 B/M Key Card for Industrial Automation and Beyond
This article describes the 8-Port RS232 M.2 B/M Key Card, a solution for connecting multiple RS232 serial devices to modern computers via the M.2 slot. It covers the card’s features (multiple ports, M.2 compatibility, high-speed communication), applications (industrial automation, POS systems, networking, legacy system integration), and on-page optimization strategies (keyword integration, compelling meta descriptions, structured content) to improve search engine visibility and attract potential customers. It emphasizes the card’s role in bridging the gap between legacy RS232 devices and modern systems.
USB to 1 port RS-232 Adapter Pin9 5V output
Expands 1 RS-232 com ports for your system
High Speed Baud Rate up to 921.6Kbps
DB9M pin 9 output 5V(unselectable) – Max current USB 5V
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
12Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 128 bytes and RX buffer 256 bytes
Supports Microsoft Windows, Linux, and MAC drivers
USB to 1 port RS232 RS422 RS485 Adapter
Expands 1 RS-232 or RS422 or RS485 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
12Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 128 bytes and RX buffer 256 bytes
Supports Microsoft Windows, Linux, and MAC drivers
RS422/485 Signal 600W Surge Protection
Max 10 Device Connectivity for RS422 Multi-Drop Mode
Max 32 devices connectivity for RS485 mode
Easy to use setting Dip Switch for selecting RS232/422/485 mode
Automatic toggling by hardware RS485 2W and RS485 4W(RS422 Multi-Drop mode)
USB to 2 port RS232 RS422 RS485 2 port 3KV Isolation
Expands 2 RS-232 or RS422 or RS485 and 2 port RS422 or RS485 with 3KV Isolation 600W Surge com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
480 Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection
3KV Optical Isolation Protection
600W Surge Protection
Supports Industrial Specification
TX buffer 2K bytes and RX buffer 2K bytes per Channel
Supports Microsoft Windows, Linux, and MAC drivers
RS422/485 Signal 600W Surge Protection
Max 10 Device Connectivity for RS422 Multi-Drop Mode
Max 32 devices connectivity for RS485 mode
Easy to use setting Dip Switch for selecting RS232/422/485 mode
Automatic toggling by hardware RS485 2W and RS485 4W(RS422 Multi-Drop mode)
USB to 2 port RS232 RS422 RS485 Adapter
Expands 2 RS-232 or RS422 or RS485 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
480 Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection
Supports Industrial Specification
RS422/485 Signal 600W Surge Protection
Max 10 Device Connectivity for RS422 Multi-Drop Mode
Max 32 devices connectivity for RS485 mode
Easy to use setting Dip Switch for selecting RS232/422/485 mode
Automatic toggling by hardware RS485 2W and RS485 4W(RS422 Multi-Drop mode)
Supports Industrial Specification
TX buffer 4K bytes and RX buffer 4K bytes per Channel
Supports Microsoft Windows, Linux, and MAC drivers
USB to 4 port RS232 RS422 RS485 Adapter
Expands 4 RS-232 or RS422 or RS485 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
480 Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 2K bytes and RX buffer 2K bytes per Channel
Supports Microsoft Windows, Linux, and MAC drivers
RS422/485 Signal 600W Surge Protection
Max 10 Device Connectivity for RS422 Multi-Drop Mode
Max 32 devices connectivity for RS485 mode
Easy to use setting Dip Switch for selecting RS232/422/485 mode
Automatic toggling by hardware RS485 2W and RS485 4W(RS422 Multi-Drop mode)
USB to High Speed 921k 2 port RS232 Adapter
Expands 2 RS-232 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
480 Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 4K bytes and RX buffer 4K bytes per Channel
Supports Microsoft Windows, Linux, and MAC drivers
USB to High Speed 921K 4 port RS232 Adapter
Expands 4 RS-232 com ports for your system
High Speed Baud Rate up to 921.6Kbps
USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
480 Mbps USB Data Rate
Transmit and Receive LED supports
Built-in 15KV ESD protection for all RS-232 port
Supports Industrial Specification
TX buffer 2K bytes and RX buffer 2K bytes per Channel
Supports Microsoft Windows, Linux, and MAC drivers
USB to RS232 Extender Over Cat5
Full-duplex Data Communication
Pure Hardware Solution-real time Data Transfer
Transfer data or files between PCs. Equipments
One CAT-5 cable extension
Industrial Standard
Compatible with all RS-232 protocols
Built-in 15KV ESD protection for all Serial Port and RJ45 Port Protection
Supports Industrial Specification
Wall Mount Adapter for 35mm Din Rail
Supports 35mm Din Rail up to 55mm wide
Physical Characteristics
Housing: stainless steel
Product Production
Production: Made in Taiwan
Product Location: Taipei, Taiwan
Wireless 2port RS232 RS422 RS485 Isolation Over IP
Wireless 802.11 b/g
Gateway IP Address
Serial RS-232/422/485 Interface 2 port
Serial RS422/485 Interface 2 port
3KV Optical Isolation(RS422/485)
600W Surge protection(RS422/485)
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Two Power Supplies way, both support 10 – 48V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Spread Spectrum Technology: DSSS, OFDM, DBPSK, DQPSK, CCK, 16-QAM, 64-QAM
Tx Power 11b: Maximum 15dBm +/-1.5 dBm
Tx Power 11g: Maximum 12dBm +/- 1.5dBm
Transmission distance: Up to 200 meters ( @12 Mbps, in open areas )
Antenna Connector: SMD Coaxial Connector , 2 dBi Antenna
Supports Industrial Specification
Wireless 4port RS232 RS422 RS485 Device Server
Wireless 802.11 b/g
Gateway IP Address
Serial RS-232/422/485 Interface 4 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Two Power Supplies way, both support 10 – 48V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Spread Spectrum Technology: DSSS, OFDM, DBPSK, DQPSK, CCK, 16-QAM, 64-QAM
Tx Power 11b: Maximum 15dBm +/-1.5 dBm
Tx Power 11g: Maximum 12dBm +/- 1.5dBm
Transmission distance: Up to 200 meters ( @12 Mbps, in open areas )
Antenna Connector: SMD Coaxial Connector , 2 dBi Antenna
Supports Industrial Specification
Wireless to 2 port RS232 Device Server
Wireless 802.11 b/g
Gateway IP Address
Serial RS-232 Interface 2 port
15KV ESD Protection for RS-232 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Two Power Supplies way, both support 10 – 48V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Spread Spectrum Technology: DSSS, OFDM, DBPSK, DQPSK, CCK, 16-QAM, 64-QAM
Tx Power 11b: Maximum 15dBm +/-1.5 dBm
Tx Power 11g: Maximum 12dBm +/- 1.5dBm
Transmission distance: Up to 200 meters ( @12 Mbps, in open areas )
Antenna Connector: SMD Coaxial Connector , 2 dBi Antenna
Supports Industrial Specification
Wireless to 2 port RS232 RS422 RS485 Device Server
Wireless 802.11 b/g
Gateway IP Address
Serial RS-232/422/485 Interface 2 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 921Kbps
Two Power Supplies way, both support 10 – 48V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Spread Spectrum Technology: DSSS, OFDM, DBPSK, DQPSK, CCK, 16-QAM, 64-QAM
Tx Power 11b: Maximum 15dBm +/-1.5 dBm
Tx Power 11g: Maximum 12dBm +/- 1.5dBm
Transmission distance: Up to 200 meters ( @12 Mbps, in open areas )
Antenna Connector: SMD Coaxial Connector , 2 dBi Antenna
Supports Industrial Specification
Wireless to 4 port RS232 Device Server
Wireless 802.11 b/g
Gateway IP Address
Serial RS-232 Interface 4 port
15KV ESD Protection for RS-232 port
10/100 Mbps Ethernet Interface
Transfer Rate up to 460Kbps
Two Power Supplies way, both support 10 – 48V
Supports Mode: VSP Com, TCP Server, TCP Client, UDP, Paired Mode, HTTP, DHCP, ICMP(Ping), Static IP, and ARP Supported
Spread Spectrum Technology: DSSS, OFDM, DBPSK, DQPSK, CCK, 16-QAM, 64-QAM
Tx Power 11b: Maximum 15dBm +/-1.5 dBm
Tx Power 11g: Maximum 12dBm +/- 1.5dBm
Transmission distance: Up to 200 meters ( @12 Mbps, in open areas )
Antenna Connector: SMD Coaxial Connector , 2 dBi Antenna
Supports Industrial Specification