Router User Guide

Dual Trunk E1 Router
Dual Trunk E1 Router User’s Guide TECHNICAL: 0118 96 56 000 71
When performing a test, you can:
• Initiate loopbacks and tests on full bandwidth or on NET 1 or NET 2.
• Set programmable test patterns
Link Layer Diagnostics and Delay Monitoring
When installing or maintaining wide area connections, you must verify the end-to-end operation of
the WAN links. With dedicated E1 line, you can verify the WAN link by placing the Dual Trunk E1
Router on one end of the line in a loopback test and initiating the transmission of a pattern test from
the other end. The pattern is received and monitored to detect transmission errors.
Table 8-3 Tests Allowed Through Telnet Connection
Tes t COM NET
Self Test Yes Yes
Loop Net Yes No
Loop Payload Yes No
Loop Up Remote Yes No
Loop Down Remote Yes No
QRW Pattern Yes No
1:7 Pattern Yes No
3:24 Pattern Yes No
1:1 Pattern Yes No
All 1s Pattern Yes No
All 0s Pattern Yes No
1:2 Pattern Yes No
1:4 Pattern Yes No
User 1 Pattern Yes No
User 2 Pattern Yes No
Lamp Test Yes Yes
NOTE: You do not need to notify the telephone company that you are running
the tests. However, if the tests reveal a problem with telephone company
service or with the Dual Trunk E1 Router, you should inform the telephone
company that the Dual Trunk E1 Router must be removed from service.