Add-on modules for system expansion
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
3-19
Overview of modules
3.5.5 TLA 4/2 (trunk line analogue)
The TLA 4/2 is an MSI module with 4/2 analogue trunk lines for dial pulsing (DP) and DTMF
signalling methods.
Figure 3-10 TLA 4/2 interfaces
Contact Port X2 Port X4
1 a trunk 1 GND with GEE50 FRA,
otherwise not assigned
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
Trunks 1 and 2 only with TLA2
Table 3-16 Contact assignment of the TLA 4/2 interfaces
X1
50
2
to MB
TLA 4/2
a/b ports
to trunk
MSI 1 - 4
X4
X2
to GEE
module
1
10
1
8
X3 (not assigned)
1
8