NEXCOM APPC 1230T - Manual (Page 50)

Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved. 34 APPC 1230T/1231T/1235T/1530T/1531T/1730T/1731T/1930T/1931T User Manual
Chapter 2: Jumpers and Connectors
Pin Definition
1 COM1_TXD-: Transmit Data Negative
2 COM1_TXD+: Transmit Data Positive
3 COM1_RXD+: Receive Data Positive
4 COM1_RXD-: Receive Data Negative
5 COM1_GND
6 COM1_RTS-: Request To Send Negative
7 COM1_RTS+: Request To Send Positive
8 COM1_CTS+: Clear To Send Positive
9
COM1_CTS-: Clear To Send Negative (Could be a +5V
Power Pin)
RS422
Pin Definition
1
COM1_TXD-: Transmit Data Negative
COM1_RXD-: Receive Data Negative
2
COM1_TXD+: Transmit Data Positive
COM1_RXD+: Receive Data Positive
3 Reserve
4 Reserve
5 Reserve
6 Reserve
7 Reserve
8 Reserve
9 Reserve (Could be a +5V Power Pin)
RS485
COM3 Port and Connector: Serial Port RS232
APPC 1231T/APPC 1531T/APPC 1731T/APPC 1931T Only
(Ring or +5V Power for Pin 9)
Connector type: 9-pin D-Sub
2x5 10-pin header, 2.0mm pitch
Connector location: CN9
Pin Definition
1 COM3_DCD
2 COM3_RXD
3 COM3_TXD
4 COM3_DTR
5 COM3_GND
6 COM3_DSR
7 COM3_RTS
8 COM3_CTS
9 COM3_RI (Could be a +5V Power Pin)
10 GND
RS232
1 9
2 10