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MT64DSU Owner's Manual
Remote Loopback Test With Test Pattern Test
This test allows you to test the local MultiDSU64K, the
communications link, and the remote MultiDSU64K. Use the
following steps to perform the Remote Loopback Test with the
Pattern Test.
With this test enabled, the MultiDSU64K sends and detects a pre-
defined 511-bit pseudo-random test pattern. When an error is
detected by the MultiDSU64K, the CD (Carrier Detect) LED flashes.
1.
Set DIP-Switch #10 on the local MultiDSU64K to the UP
position.
2.
Set DIP-Switch #11 on the local MultiDSU64K to the UP
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).
Figure 3-7. Remote Loopback with Test Pattern Test
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