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Introduction
In the event that OfficeCom/OfficePoint experiences a voltage drop, voltage dip or unrecoverable system errors, the ALUM module can transfer up to four analog trunks directly to four analog telephones, bypassing the system.
The ALUM4 Module provides power failure transfer for MSI ground-start or loop-start trunks, but ground-start trunks require a physical ground-actuator button.
When the system is deactivated or when an error occurs, the trunks are connected directly to the telephones. When normal operation resumes, the trunks are again routed through the system.
Only analog telephones can be used for the transfer, and they must use the same signaling method as the trunk; otherwise, dialing is not possible.
ALUM4 Module Function
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Interfaces
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Split the cable from X6 and connect half to the analog trunk board and half to the CBPC analog ports or analog subscriber boards. |
ALUM Module Interface Assignments
Pin |
X3 (to MDF) |
X4 (to MDF) |
Y-Cable from X6 to TMGL4 |
Y-Cable from X6 to Analog Ports1
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Pin |
Assignment |
Pin |
Assignment |
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1 |
R from trunk 1 |
R to station 1 |
1 |
T to TMGL4 port 1 |
9 |
T to analog port 1 |
2 |
T from trunk 1 |
T to station 1 |
2 |
R to TMGL4 port 1 |
10 |
R to analog port 1 |
3 |
R from trunk 2 |
R to station 2 |
3 |
T to TMGL4 port 2 |
11 |
T to analog port 2 |
4 |
T from trunk 2 |
T to station 2 |
4 |
R to TMGL4 port 2 |
12 |
R to analog port 2 |
5 |
R from trunk 3 |
R to station 3 |
5 |
T to TMGL4 port 3 |
13 |
T to analog port 3 |
6 |
T from trunk 3 |
T to station 3 |
6 |
R to TMGL4 port 3 |
14 |
R to analog port 3 |
7 |
R from trunk 4 |
R to station 4 |
7 |
T to TMGL4 port 4 |
15 |
T to analog port 4 |
8 |
T from trunk 4 |
T to station 4 |
8 |
R to TMGL4 port 4 |
16 |
R to analog port 4 |
1 To the analog station ports on the CBPC (recommended) or to four consecutive ports on an 8SLA. |
Note: Pinouts shown are at the board itself. The supplied main distribution frame cable (MDF cable) reverses the signal order for X3 and X4 before the MDF.
ALUM4 Module Block Diagram
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Hicom 150 H V1.0 - Hicom 150 E Office Rel.2.0-3.0 Service Manual | Siemens Part No.: P31003-M1550-X403-3-7620 | Conversion Date: 2000-08-24 |
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Contact: E-Doku-Team | © Siemens AG 2001 |