Function expansions with options bu
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
3-29
Overview of modules
3.6.7 STBG4 module
This current-limiter module is designed for use with the analogue trunk interface in
France
.
It incorporates the current-limiter components and overvoltage isolators required.
The module does not occupy any options-bus lines.
The circuitry of slot X3 is designed such that the module cannot be inserted with reversed po-
larity.
The STBG channel is looped between the TLA and the trunk.
Figure 3-18 STBG4 module interfaces
Contact Port X3 Port X4
1 Not assigned AL 1
2BL 1 BL 1
3AN 1 AL 2
4BL 2 BL 2
5AN 2 AL 3
6BL 3 BL 3
7AN 3 AL 4
8BL 4 BL 4
9AN 4
10 Not assigned
Table 3-24 Contact assignment of the STBG module
STBG4
X3
X4
MDF
MB side
Module side
X1
X2
1
10
1
8
TLA
Trunk
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