IBM SC30-3681-08 manual Local Consoles

Local Consoles

Local consoles are either directly connected by an EIA 232 (RS-232) cable, or connected via modems to the router. You may need to use a local console during the initial software installation. After the initial setup connection, you can connect using Telnet, as long as IP forwarding has been enabled. (Refer to Protocol Con®guration and Monitoring Referencefor more information on enabling IP forwarding.)

When the con®gured router is started for the ®rst time, a boot message appears on the screen, followed by the OPerator©s CONsole or OPCON prompt (*). The * prompt indicates that the router is ready to accept OPCON commands.

Your Multiprotocol Routing Services software may have been pre-con®gured at the factory. If it was, you do not need to use a local console to perform initial con®guration. If, however, your Multiprotocol Routing Services was not pre-con®gured at the factory, you will need to use an ASCII terminal attached to the 2210 service port to initially con®gure it.

Important: Garbage, random characters, reverse question marks, or the inability to connect your terminal to the 2210 service port can have many causes. The following list contains some of those causes:

v The most common cause of garbage or random characters on the service console is that the baud rate is not synchronized with the IBM 2210.

If the 2210 is set to a speci®c baud rate, the terminal or terminal emulator must be set to the same baud rate.

If the IBM 2210 is set to autobaud (this is the default), press the terminal break key sequence and press Enter.

A typical break key sequence for PC terminal emulators is Alt-B (refer to the terminal emulator documentation). Most ASCII terminals have a Break key (often used in conjunction with the Ctrl key).

Refer to your hardware documentation for more information. v Defective terminal or device (ac) grounds.

v Defective, incorrectly shielded, or incorrectly grounded EIA 232 (RS-232) cable between the terminal and the IBM 2210.

v Defective terminal or terminal emulator. v Defective IBM 2210 system board.

v High ambient electromagnetic interference (EMI) levels. v Power line disturbances.

(See ªService Terminal Display Unreadableº in theIBM 2210 Nways Multiprotocol Router Service and Maintenance Manual .)

Once the 2210 is initially con®gured, you will not need a local console for router operation, as long as IP is enabled.

The router software automatically handles console activity. When upgrading the software, you might have to use the local console. For information on attaching and con®guring local consoles, refer to theIBM 2210 Nways Multiprotocol Router Installation and Initial Con®guration Guide.

4MRS V3.2 Software User's Guide