Specifications

8S RS232/422/485 PCI Express Expansion Module
2

Connectors:
 7-pin Terminal Blocks Pin Assignment for Port 1 ~ 8:

LEDs:
T (Green): Blinking when sending data
R (Green): Blinking when receiving data
3. Connector Layout
PCI Express Host Adapter
DVI-like PCI Express
Cable
Wall
Mounting Ear
Module Box
Wall Mounting Ear
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
PCI Express
Connector
2-pin Terminal
Blocks for Optional
DC Power Input
RS485 2-wire: TX+(DATA+)
RS485 2-wire: TX-(DATA-)
RS422/485 4-wire: RX+
RS422/485 4-wire: RX-
Signal GND (RS232/422/485): GND
RS232: RXD
RS232: TXD
TX+(DATA+)
TX-(DATA-)
RX+
RX-
GND
RXD(232)
TXD(232)
R
T