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Introduction
An ISDN BRI trunk module (TMQ4) connects up to four digital trunks to the OfficeCom and OfficePoint.
The TMQ4 Module provides basic rate interface (BRI) ISDN via a U2B1Q interface. The interface supports the following central office protocols:
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AT&T 5Ess NI-1 |
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AT&T 5ESS Custom |
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Nortel DMS100 NI-1 |
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Siemens EWSD NI-1 |
Interfaces
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Interface Assignments
Pin |
Connector X2 |
Port |
Pin |
Connector X2 |
Port |
|
---|---|---|---|---|---|---|
1 |
R trunk 1 |
1 |
5 |
R trunk 3 |
3 |
|
2 |
T trunk 1 |
6 |
T trunk 3 |
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3 |
R trunk 2 |
2 |
7 |
R trunk 4 |
4 |
|
4 |
T trunk 2 |
8 |
T trunk 4 |
Note: Pinouts shown are at the board itself. The supplied main distribution frame cable (MDF cable) reverses the signal order before the MDF.
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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 |