Paradyne COMSPHERE DualFlow 3615 User Manual page 46

COMSPHERE DualFlow Data Service Units
Verifying Network Addresses, the Network,
and DBM Operation
Establish a backup connection and perform a Digital
Test over the backup connection to ensure that the
switched network is functioning. Access the DSU's
identity (ID) subbranch for the tributary DSU to ensure
that the DSU is properly addressed.
Verify that no alarms appear in the Device Health and
Status subbranches. Refer to the
Testing Connections section of Chapter 2 for procedures
that lead you through each of these procedures.
3-12
Verifying Operation and
July 1999
Other Tests
The following lists the tests available on your DSU.
Refer to the Test Branch section of Chapter 4 for further
test information, as well as more detail on how to
configure and operate the DSU. Refer to
determine how best to access each test.
Device Test (Devic)
Local Loopback (LL) – DSU only
DTE Loopback (DTE)
Digital Loopback (DL)
Remote Digital Loopback (RL) – DBM only
Bilateral Loopback
Digital Test (DT) – DBM only
End-to-End Test (EE) – DBM only
Bit Error Rate Test (BERT)
Lamp Test (Lamp)
Appendix A to
3615-A2-GB20-40