Multitech MT56DSU-R Manual do Proprietário descarregar pdf (Página 37)

Chapter 4 - Troubleshooting

4.3.3 Digital Loopback With Test Pattern Test

This test allows you to test the local MT56DSU-R, the

communications link, and the remote MT56DSU-R. Use the

following steps to perform the Digital Loopback Test with the Pattern

Test.

With this test enabled, the MT56DSU-R sends and detects a pre-

defined 15-bit pseudo-random test pattern. When an error is

detected by the MT56DSU-R, the NS (No Signal) LED flashs.

1. Set DIP switch #9 on the remote MT56DSU-R to the down

position

2. Set DIP switch #10 on the local MT56DSU-R to the down

position.

3. The test pattern is generated and either detected as a good test

pattern (test patterns match) or as a failed test (test pattern

received does not match the pattern sent).

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Multitech MT56DSU-R Manual do Proprietário Página 37