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




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



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-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


Diarts releases 8 port Internal RS232 RS422 RS485 Mini PCIe card 3KV Isolation 4KV Surge

it supports Embedded system by add full size Mini PCIe card

the card designs Industrial Level and uses XR17V352 chipset