Vertical SUMMIT IP
Hardware Description and Installation Manual
Issue 1.2
64
6.8 RS-232 Serial Port Wiring
The RS-232 female connector, which is a DCE (Data Communication Equipment), is used for
various output functions (SMDR, Traffic Reports, etc.) and can be used to access the System
database and maintenance functions through connection to a local PC. The connector is
located on the left side of the Code of the KSU and is terminated as in Table 6.8-1.
Table 6.8-1 RS232 Port Wiring
Connector
Pin-out
Pin Number
Signal Name
Function
RJ-232C
1
Not used
2
TD
Transmitted Data
3
RD
Received Data
4
DSR
Data Set Ready
5
SG
Signal Ground
6
DTR
Data Terminal Ready
7
CTS
Clear to Send
8
RTS
Request to Send
9
Not used
NOTE
The RS-232C port on the MPB does not support hardware flow control.
Figure 6.8-1 RS-232 DB-9 Connector Terminations
Referring to the pin-out chart and the wiring diagram above,
1. Wire the RS-232 port to an appropriate DTE (Data Terminal Equipment) connector.
2. Tag or number wiring for maintenance.
