Owner`s manual

25
Chapter 3 - Testing
Local Loopback Test With Test Pattern
This test allows you to test the local MultiDSU64K.
Perform the following steps to enable this test:
1. Set DIP-Switch #8 to the UP position.
2. Set DIP-Switch #11 to the UP position.
3. The front panel (TM) LED lights, and if errors are detected, the
Carrier Detect LED blinks.
Figure 3-4. Local Loopback Test with Test Pattern