Technical data

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Test Descriptions

CNCTR - Connector

Command Input

PPCx-Diag>dec cnctr

Description

This test verifies that the data path through the external (AUI

or TP (twisted pair)) connection is functional, by transmitting and

receiving packets and comparing the data. This test requires the presence

of an external loopback “plug” for AUI or TP.

Note It is recommended that the board under test not be connected to a

live network while this test is running. The suggested “loopback”

setup for AUI is an AUI-to-thinnet transceiver attached to a BNC

tee with terminators on each arm of the tee. For TP setup, an

external shunt needs to be put in the TP socket (it cannot be

connected to a live network).

Response/Messages

After the command has been issued, the following line is printed:

DEC CNCTR: Connector:..................Running --->

If all parts of the test are completed correctly, then the test passes:

DEC CNCTR: Connector:...............Running ---> PASSED

If any part of the test fails, then the display appears as follows:

DEC CNCTR: Connector:....................Running ---> FAILED

DEC/CNCTR Test Failure Data:

(error message)

Refer to the section DEC Error Messages for a list of the error messages

and their meaning.

You can use the CF command to select the port to be tested (whether AUI

or TP). The following example uses the CF command to select port 1 (the

TP port), skipping port 0 (the AUI port).

Example:

PPCx-Diag>CF DEC

DEC Configuration Data:

Port Select =00000000 ? 1