AT&T MERLIN LEGEND Communications System Release 2.0 Maintenance And Troubleshooting Manual page 162

Central Office Problems
If the trunk is busy, you will hear a busy tone.
You will hear a reorder tone if a wrong trunk type (such as DID) or an
invalid trunk number was dialed.
8.
If the module continues
Incoming Trunk Problems
Symptom
Incoming trunks do not work properly.
Procedure
Place an incoming call through the troubled trunk.
1.
2. For an LS or GS trunk, connect a single-line telephone to the trunk at
the network interface. (If the trunk is a GS trunk, you need to have a
GS button attached to the telephone.)
Press the GS button for a GS trunk.
3.
Listen for ringing.
4. Pick up the handset and check line seizure.
Dial an outside number and verify that you have good two-way
5.
transmission.
At the maintenance terminal, check the trunk programming to be sure
6.
this trunk has been properly translated. (See the system planning
forms.)
7. If the module continues to malfunction, replace it.
5-4 Trunk Errors
to malfunction, replace it.