Chapter 2 Installing the SSU-2000e
Making Communications Connections
64 SSU-2000e User’s Guide 12713140-002-2 Revision E – October 2006
Making EIA-232 Serial Port Connections
Both EIA-232 serial port connections are made through filtered DE9S female
connectors on the front panel. These ports allow connection to a dumb terminal or
PC using a terminal emulation software package for remote monitoring and control.
One port is in connector J4 and is labeled SERIAL PORT-A, the other port is in
connector J5 and is labeled SERIAL PORT-B. When connecting to these ports, use
a shielded cable EIA-232 direct connect cable with the cable shield connected to
pin 1, see Figure 2-3.
Figure 2-3. DE9 Connector Detail
The default EIA-232 settings for both serial ports are 9600 baud, no parity, 8 data
bits, 1 stop bit, echo on, ASCII mode, and handshaking disabled.
Table 2-1. Communications Port Assignments
Port # Function Protocol
Serial Ports (EIA-232)
A (J4) This port is user selectable as either an ICS or a TL1
interface. The port defaults to ICS upon initialization
ICS (Default), TL1
B (J5) This port is user selectable as either an ICS or a TL1
interface. The port defaults to ICS upon initialization
ICS (Default), TL1
Local (Comms
Module)
This port is user selectable as either an ICS or a TL1
interface. The port defaults to ICS upon initialization
ICS (Default), TL1
Ethernet Ports (Telnet)
23 This port is user selectable as either an ICS or a TL1
interface. The port defaults to ICS upon initialization
ICS (Default), TL1
123 This port is designated for NTP only NTP
161 This port is designated for SNMP Interactive SNMP Interactive
162 This port is designated for SNMP Trap transmission SNMP Trap
2000 This port is designated for TL1 only TL1
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