NEXCOM APPC 1230T User Manual
Page 49
Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
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APPC 1230T/1231T/1235T/1530T/1531T/1730T/1731T/1930T/1931T User Manual
Chapter 2: Jumpers and Connectors
Pin
Definition
1
COM2_TXD-
2
COM2_TXD+
3
COM2_RXD+
4
COM2_RXD-
5
COM2_GND
6
COM2_RTS-
7
COM2_RTS+
8
COM2_CTS+
9
COM2_CTS- (Could be a
+12V Power Pin)
RS422
Pin
Definition
1
COM2_TXD-
COM2_RXD-
2
COM2_TXD+
COM2_RXD+
3
Reserve
4
Reserve
5
Reserve
6
Reserve
7
Reserve
8
Reserve
9
Reserve (Could be a
+12V Power Pin)
RS485
COM1 Port: Serial Port RS232/422/485
APPC 1230T/APPC 1235T/APPC 1530T/APPC 1730T/APPC 1930T
(Ring or +5V Power for Pin 9)
APPC 1231T/APPC 1531T/APPC 1731T/APPC 1931T
(Isolation protection with RS232/422/485)
Connector type: 9-pin D-Sub
Connector location: CN15
Pin
Definition
1
COM1_DCD: Data Carrier Detect
2
COM1_RXD: Receive Data
3
COM1_TXD: Transmit Data
4
COM1_DTR: Data Terminal Ready
5
COM1_GND
6
COM1_DSR: Data Set Ready
7
COM1_RTS: Request To Send
8
COM1_CTS: Clear To Send
9
COM1_RI: Ring Indicator (Could be a +5V Power Pin)
RS232