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Maintenance Object Repair Procedures
555-233-123 10-1134 Issue 4 May 2002
M/T-ANL (Maintenance/Test Analog
Port)
The Maintenance/Test Analog Port is port number 1 on the TN771
Maintenance/Test circuit pack. This port is used by the Automatic Transmission
Measurement System (ATMS) as an Originating Test Line (OTL) or Terminating
Test Line (TTL) for test calls over analog trunks.
Figure 10-75 shows a typical
ATMS configuration.
M/T-ANL maintenance ensures that the analog trunk’s testing function is
operating correctly. An alarm against M/T-ANL can reduce service, but it will not
block it. To accurately measure performance and health of analog trunks, the
TN771 should be replaced when a new circuit pack is available.
Figure 10-75. ATMS Tie Trunk Test Call
MO Name (in
Alarm Log)
Alarm
Level
Initial Command to
Run
1
1 Where P is the port network number (1 for PPN and 2 or 3 for EPN); C is the carrier
designation (for example, A, B, C, D, or E); and SS is the address of the slot in the carrier
where the circuit pack is located (for example, 01, 02, ..., etc.).
Full Name of MO
M/T-ANL Minor test port PCSSpp l Maintenance/Test Analog Port
M/T-ANL Warning release port PCSSpp Maintenance/Test Analog Port
Tie
Trunk
Facilities
Originating
Test Line
(OTL)
TN771
TDM Bus
Terminating
Test Line
(TTL)
TN771
TDM Bus
PBX originating
the test call
PBX terminating
the test call
Tie Trunk
Circuit Pack
Tie Trunk
Circuit Pack