COMSPHERE DualFlow Data Service Units
Verifying the Network
Perform a Health and Status check on the DDS circuit to ensure that the network is functioning.
.Procedure
1.Select Local (F1).
2.Select Stat (F1).
3.Select H/S (F1).
4.Select Devic (F1).
5.Press the 
key to return to the
6.Select Local (F1).
7.Select Bckup (F2).
8.Select DrBU to drop the backup call.
No error messages should appear. Refer to Appendix C, the Device Health and Status Messages section, should there be a problem with the DDS Line.
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 Appendix A 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
•
•Bit Error Rate Test (BERT)
•Lamp Test (Lamp)
December 1996 |
