Com Port Connector - Vox PMB-472LF User Manual

Chapter 2 Hardware Configuration

2-4. COM PORT CONNECTOR

COM1 : COM1 Connector
COM1 is fixed as RS-232.
The pin assignment is as follows :
PIN
1
2
3
4
5
6
7
8
9
COM2 : COM2 Connector
COM2 is selectable as RS-232/422/485.
The pin assignment is as follows :
PIN
1
2
3
4
5
6
7
8
9
Page: 2-6
ASSIGNMENT
DCD1
RX1
TX1
DTR1
GND
DSR1
RTS1
CTS1
RI1
ASSIGNMENT
RS-232 RS-422
DCD2 TX-
RX2 TX+
TX2 RX+
DTR2 RX-
GND GND
DSR2 RTS-
RTS2 RTS+
CTS2 CTS+
RI2 CTS-
RS-485
TX-
TX+
RX+
RX-
GND
NC
NC
NC
NC
PMB-472LF USER
'
S MANUAL