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Nortel Secure Router 8012
Hardware Description
5-4 Nortel Networks Inc. Issue 5.3 (6 April 2009)
RJ45 Signal Direction DB25 DB9 Signal
4
-
7 5 GND
5
-
8 1 GND
6
Å
2 3 TXD(Transmit
Data)
7
Å
20 4 DTR(Data Terminal
Ready)
8
Å
4 7 RTS(Request to
Send)
5.4 Auxiliary port communication cable
5.4.1 Introduction
The auxiliary (AUX) port cable connects the Secure Router 8012 AUX port to the modem for
remote transmission of configuration data.
The AUX port cable is an 8-core shielded cable. One end uses the RJ45 connector that is
connected to the AUX port of the Routing Process Unit (RPU). The other end has two
connectors with DB9 (female) and DB25 (female), and is connected to the computer serial
port. You can use either of them to connect the computer serial port as required.
5.4.2 Structure
The structure of the AUX cable is the same as that of the console cable, as shown in Figure
5-2.
Table 5-2 shows the pin assignment of the AUX cables.
Table 5-2 Pin assignment of AUX cables
RJ45 Signal direction DB25 DB9 Signal
1
Æ
4 7 RTS
2
Æ
20 4 DTR
3
Æ
2 3 TXD
4
Å
8 1 DCD
5 - 7 5 GND
6
Å
3 2 RXD
7
Å
6 6 DSR
8
Å
5 8 CTS