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P31003-H3550-S403-4-7620, 02/05
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
3-355
Boards for HiPath 3000
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3.4.15 STBG4 (For France Only)
Introduction
This current-limiting board is for connecting loop start trunks in France (HiPath 3550 and HiPath
3350). It includes the current-limiting components and surge-protection elements required by
law.
No options bus lines are needed.
The slot X3 wiring is polarized.
The STBG4 channel is looped between TLA and the trunk.
Figure 3-159 STBG4 (For France Only) - Interfaces (S30817-Q934-A)
Table 3-165 STBG4 (For France Only) - Contact Assignment
Contact Connector X3 Connector X4
1 Not used 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 used –
CB side
Board side
STBG4
TLA
Tr unk
MDF
X1
X2
X3
X4
1
10
1
8
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