Internal Connector Pin Definitions; Coin-Cell Battery Connector; Com1, Com2 (Rs232/Rs422/Rs485); Com3, Com4 Com5, Com6 (Rs232) - Nexcom X103 User Manual

Chapter 2: Jumpers and Connectors

Internal Connector Pin Definitions

Coin-cell Battery Connector

Connector type: 2-pin header
Connector location: BAT
2
1
Pin Definition
1 GND
2 BAT
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COM1, COM2 (RS232/RS422/RS485)

COM3, COM4 COM5, COM6 (RS232)

Connector type: 9-pin header
Connector location: COM1, COM2, COM3, COM4, COM5, COM6
1
9
Pin RS232 RS422 (If supported)
1 RI
2 CTS
3 RTS
4 DSR
5 GND
6 DTR
7 TXD
8 RXD
9 DCD
By default, COM1 and COM2 ports are RS485. You can change
their function to RS232 or RS422 using a compatible COM
cable and configure the
BIOS.
14
RS485 (If supported)
RX-
RX+
TX+ D+
TX- D-
Serial I/O Configuration setting in the
X103 User Manual