Motorola SB5101U User's Guide download pdf (Page 30)

SB5101 Cable Modem Overview

MOTOROLA BCS CONFIDENTIAL Page 30 of 34

The diagnostic modem is physically the same as a customer modem except that it is orange in

colour, it has a small jack socket on the rear and it has a special “shelled” version of the

microcode. This is a simplified Korn shell system, which allows the user to log onto the device and

set diagnostic switches to trace and log what is happening on the network. This is a very powerful

tool for tracing intermittent and otherwise difficult faults.

10.1 Diagnostic Cable Modem Command Line Interface Notes

The CLI can only be accessed via an “rlogin” based Telnet client or the Diagnostic

Console Cable and the DIAG port on the back of the modem. Modems that are going to be

used as Diagnostic Tools and use the CLI must have the “SHELL” version of modem

firmware.

10 Diagnostic Modem

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Motorola SB5101U User's Guide Page 30