16Commissioning fundamentals

Terminal connection

Connect the serial console interface (an RS-232 port) to a PC or terminal to monitor and configure the switch. The port uses a DB-9 connector that operates as data terminal equipment (DTE) or data communication equipment (DCE). The default communication protocol settings for the console port are:

9600 baud

8 data bits

1 stop bit

No parity

To use the console port, you need the following equipment:

A terminal or teletypewriter (TTY)-compatible terminal, or a portable computer with a serial port and terminal-emulation software

An Underwriters Laboratories (UL)-listed straight-through or null modem RS-232 cable with a female DB-9 connector for the console port on the switch. The other end of the cable must use a connector appropriate to the serial port on your computer or terminal. Most computers or terminals use a male DB-25 connector. You can find a null modem cable with the chassis.

You must shield the cable connected to the console port to comply with emissions regulations and requirements.

Modem connection

You can access the switch through a modem connection to the Nortel Ethernet Routing Switch 8600, 8691SF/CPU, or 8692SF/CPU modules. Nortel recommends that you use the default settings for the modem port for most modem installations.

To set up modem access, you must use a DTE-to-DCE cable (straight or transmit cable) to connect the Nortel Ethernet Routing Switch 8600 to the modem. The following table shows the DTE-to-DCE pin assignments.

Table 1

DTE-to-DCE straight-through pin assignments

 

Switch

 

Modem

 

Signal

 

 

 

 

Pin

 

DCE DB-9

DCE DB-25

 

number

 

pin number

pin number

 

 

 

 

 

Received data

2

 

2

3

(RXD)

 

 

 

 

 

 

 

 

 

Transmitted data

3

 

3

2

(TXD)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nortel Ethernet Routing Switch 8600

 

 

 

 

Commissioning

 

 

 

NN46205-319 01.01 Standard

 

 

 

 

30 May 2008

 

Copyright © 2008 Nortel Networks

Page 16
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Nortel Networks 8600 manual Terminal connection, Modem connection

8600 specifications

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