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Connecting Interface Cables 67
Connecting Interface
Cables
Connecting Console
Cable
Introduction
Console cable is an 8-core shielded cable. At one end of the cable is a crimped
RJ-45 connector that is to be plugged into the console port of the switch. At the
other end of the cable are a DB-9 (female) connector and a DB-25 (female)
connector. You can plug either of them into the 25-pin (male) or 9-pin (male) serial
port on the console terminal as needed. The following figure illustrates the
console cable.
Figure 48 Console cable
Connecting console cable
Take the following steps to connect the console cable, when configuring the
switch on the terminal.
Step 1: Plug the DB-9 or DB-25 female connector of the console cable into the
serial port of the PC/terminal where the switch is to be configured.
Step 2: Connect the RJ-45 connector of the console cable to the console port of
the switch.
Table 71 Console cable pinouts
RJ-45 Signal Direction DB-25 DB-9
1 RTS ← 4 7
2 DTR ← 20 4
3 TXD ← 2 3
4 CD → 8 1
5 GND − 7 5
6 RXD → 3 2
7 DSR → 6 6
8 CTS → 5 8
Enlarged A side
Pos. 25
A
DB 25 Female
8P8C Plug
Enlarged B side
Pos.1
Pos.8
DB9 Female
Enlarged C side
Pos.1
Pos.9
C
Pos.1
B