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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.)

Table 3-51 TLA2 and TLA4-Contact Assignments (Not for U.S.)

Contact 
Connector X2  
Connector X4 
a trunk 1 
GND for GEE50 FKR, otherwise free 
b trunk 1 
b trunk 1 
a trunk 2 
a trunk 1 
b trunk 2 
b trunk 2 
a trunk 3 
a trunk 2 
b trunk 3 
b trunk 3 
a trunk 4 
a trunk 3 
b trunk 4 
b trunk 4 
 
a trunk 4 
10 
 
Call charging module assignment (GMZ) 
 
for TLA2 trunks 1 and 2 only 
 

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.)

Table 3-52 TLA8-Contact Assignments (Not for U.S.)

Contact 
Conn. X3 
Conn. X2  
Conn. X4 
Conn. X5 
GND 
a trunk1 
a trunk5 
GND 
b trunk 1 
b trunk 1 
b trunk 5 
b trunk 5 
a trunk 1 
a trunk 2 
a trunk 6 
a trunk 5 
b trunk 2 
b trunk 2 
b trunk 6 
b trunk 6 
a trunk 2 
a trunk 3 
a trunk 7 
a trunk 6 
b trunk 3 
b trunk 3 
b trunk 7 
b trunk 7 
a trunk 3 
a trunk 4 
a trunk 8 
a trunk 7 
b trunk 4 
b trunk 4 
b trunk 8 
b trunk 8 
a trunk 4 
 
 
a trunk 8 
10 
GMZ 1 
 
 
GMZ 2 
GMZ= Call charging module assignment
GND=GND for GEE50 FKR, otherwise free 

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