Maintenance-Object Repair Procedures
555-233-143
8-1638 Issue 1 May 2002
TIE-TRK (Analog Tie Trunk)
NOTE:
Many trunk problems are caused by incorrect settings of parameters on the
trunk group administration form. Settings must be compatible with the local
environment and with parameter settings on the far end. The Application
Notes section of that book shows the correct settings for administrable
timers and other parameters on a country-by-country basis.
The following circuit packs, including every suffix such as TN760D, support
analog tie trunks:
Each tie trunk circuit pack occupies a port circuit pack slot and contains 4 port
circuits. Each port circuit supports 1 analog tie trunk used to connect the switch to
another PBX across 1- or 2-way dedicated circuits (see preceding list).
MO’s Name (in
Alarm Log)
Alarm
Level
Initial SAT Command to
Run
12
1. UU is the universal cabinet number (1–64 for ATM PNC, 1–44 for CSS PNC). C is the carrier
designation (A, B, C, D, or E). SS is the number of the slot where the circuit pack resides
(01–21). pp is the 2-digit port number (01, 02,...).
2. If ATMS testing is enabled, check the error log for ATMS errors 3840 and 3841. If the error log
indicates that measurements exceeded acceptable thresholds, and no other trouble is found
with test trunk, run the ATMS test call with test analog-testcall port UUCSSpp full.
Full Name of MO
TIE-TRK MAJOR
3
3. A Major alarm on a trunk indicates that alarms on these trunks are not downgraded by the set
options command and that at least 75 percent of the trunks in this trunk group are alarmed.
This alarm does not apply to TN497.
test port UUCSSpp l Tie Trunk
TIE-TRK MINOR test port UUCSSpp l Tie Trunk
TIE-TRK WARNING test port UUCSSpp sh Tie Trunk
Table 8-636. Analog Tie Trunk Circuit Packs
Code Trunk Type Signaling Leads
TN760 4-wire E&M
TN437 4-wire E&M
TN439 2-wire A&B (2-way circuits only)
TN458 4-wire E&M
TN497 2-wire A&B
TN2140 4-wire E&M
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