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Introduction
A Digital T1 PRI trunk module (TMST1) connects a digital trunk to the OfficePro to provide primary-rate interface (PRI) ISDN via a T1 interface. It can also be used for the following:
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SF |
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ESF |
A maximum of five TMST1 Modules can be used in the OfficePro system.
Rather than connecting to a main distribution frame (MDF), the TMST1 Module connects to a channel service unit (CSU). The CSU supplies the required secondary protection.
Switches and LEDs
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The TMST1 includes a service switch. The switch alerts the system software that the Module will be removed so that no new calls are routed to the board.
LED Statuses and Their Meanings
Cable and Connector Assignment (Backplane)
Pair |
Color Code |
Backplane ConnectorPins |
TMST1 |
|
---|---|---|---|---|
18 |
blu/wht |
43 |
Receive ring |
|
wht/blu |
18 |
Receive tip |
||
22 |
ora/wht |
47 |
Transmit ring |
|
wht/ora |
22 |
Transmit tip |
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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 |