Polycom DOC2237A - Manual (Page 167)

MGC Hardware and Installation Manual
A-3
RS-232 Pin Assignment
Figure A-3: RS-232 Pin Assignment
Table A-1: PRI Port Assignment
Pin Description
1 Data Carrier Detect (DCD)
2 Receive Data (RXD)
3
Transmit DATA (TXD)
4 Data Terminal Ready (DTR)
5 GROUND (GND)
6 Data Set Ready (DSR)
7 Clear to Send (CTS)
8 Ring Indicator (RI)
GND
DTR
TxD
RxD
DCD
DSR
RTS
CTS
RI
Pin 1