3.3.12 TLA2 and TLA4 and /TLA8 (Not for U.S.)
Introduction
The loop start boards TLA2, TLA4, and TLA8 connect 2, 4, or 8 analog trunks using DP and DTMF signalling in OfficeCom and OfficePoint.
Interfaces
Figure 3-56 TLA2 and TLA4 Interfaces (S30817-Q923-Bxxx/Axxx) (Not for U.S.)
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Table 3-51 TLA2 and TLA4-Contact Assignments (Not for U.S.)
Contact |
Connector X2 |
Connector X4 |
1 |
a trunk 1 |
GND for GEE50 FKR, otherwise free |
2 |
b trunk 1 |
b trunk 1 |
3 |
a trunk 2 |
a trunk 1 |
4 |
b trunk 2 |
b trunk 2 |
5 |
a trunk 3 |
a trunk 2 |
6 |
b trunk 3 |
b trunk 3 |
7 |
a trunk 4 |
a trunk 3 |
8 |
b trunk 4 |
b trunk 4 |
9 |
|
a trunk 4 |
10 |
|
Call charging module assignment (GMZ) |
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for TLA2 trunks 1 and 2 only |
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The loop start board TLA8 connects 8 analog trunks using DP and DTMF signalling in OfficeCom and OfficePoint.
Figure 3-57 TLA8 Interfaces (S30817-Q926-Axxx) (Not for U.S.)
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Table 3-52 TLA8-Contact Assignments (Not for U.S.)
Contact |
Conn. X3 |
Conn. X2 |
Conn. X4 |
Conn. X5 |
1 |
GND |
a trunk1 |
a trunk5 |
GND |
2 |
b trunk 1 |
b trunk 1 |
b trunk 5 |
b trunk 5 |
3 |
a trunk 1 |
a trunk 2 |
a trunk 6 |
a trunk 5 |
4 |
b trunk 2 |
b trunk 2 |
b trunk 6 |
b trunk 6 |
5 |
a trunk 2 |
a trunk 3 |
a trunk 7 |
a trunk 6 |
6 |
b trunk 3 |
b trunk 3 |
b trunk 7 |
b trunk 7 |
7 |
a trunk 3 |
a trunk 4 |
a trunk 8 |
a trunk 7 |
8 |
b trunk 4 |
b trunk 4 |
b trunk 8 |
b trunk 8 |
9 |
a trunk 4 |
|
|
a trunk 8 |
10 |
GMZ 1 |
|
|
GMZ 2 |
GMZ= Call charging module assignment GND=GND for GEE50 FKR, otherwise free |