Alaxala AX2500S, Руководство по устранению неисправностей

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5 Line Testing
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5.1.2 Loop connector loopback test
The loop connector loopback test, which loops back frames on the loop connector, is
executed to check for any faults. You can execute this test for all line types.
The test procedure is described below.
1. Use the inactivate operation command to change the port to be tested into an
inactive state.
2. Remove the cable from the target port, and then connect the loop connector to that
port.
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3. Execute the test interfaces operation command with the connector parameter
specified. Wait about one minute after the command is executed.
4. Execute the no test interfaces operation command, and then check the
displayed results.
5. Remove the loop connector, and then reconnect the cable to the port.
6. Use the activate operation command to change the port back into an active state.
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Note that if the loop connecter is not connected, or if the connected loop connector is
inappropriate for the port, the test might provide invalid results.
For 10BASE-T, 100BASE-TX, and 1000BASE-T SFP ports, use the following loop
connectors:
Table 5-3 Loop connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T SFP ports
Model Port number
AX2530S-24T
AX2530S-24T4X 0/25 to 0/28 10BASE-T/100BASE-TX/1000BASE-T loop connector
AX2530S-48T
AX2530S-48T2X 0/49 to 0/52 10BASE-T/100BASE-TX/1000BASE-T loop connector
AX2530S-24S4X 0/1 to 0/24 10BASE-T/100BASE-TX loop connector or
10BASE-T/100BASE-TX/1000BASE-T loop connector
0/25 to 0/28 10BASE-T/100BASE-TX/1000BASE-T loop connector
You can check the test results in the same way as described in 5.1.1 Internal loopback test .
5.1.3 Creating loop connectors
(1) Required tools and materials

Cable

Modular plug

Crimping tool

Nipper

Cutter
(2) 10BASE-T/100BASE-TX loop connector
As shown in the following figure, insert the cables into the connector and crimp them with a
crimping tool.