Li1 Card - Aastra AXD Installation And Maintenance Manual

4.14.14 LI1 card

4.14.14.1Description
The LI1 card allows you to connect together 2 private iPBXs through a direct analogue or
public network line.
The interface described supports the exchange protocols required for the following links:
• DID link with COLISEE type public PBXes,
• links to other "LO" type private installations,
• specific links with WINK-START type manufacturer protocols, etc.
Several types of signalling can be used:
• COLISEE pulse signalling for connection to the COLISEE network
• COLISEE pulse signalling in master or slave mode for connection to another private
installation,
• MF SOCOTEL pulse and state-change line signalling for connection to the COLISEE
network,
• L0 pulse signalling for connection to another private installation,
• ATT WINK START signalling for connection to another private installation,
• RITTER signalling for connection to another private installation.
4.14.14.2Functional description
The LI1 card mainly carries out the following functions:
• Integration of TL command signals from the UCV card:
- line seizure
- release
- pulse dialling
Installation and Maintenance Manual - Aastra 5000
Description des sous-ensembles
AMT/PTD/PBX/0058/4/6/EN
01/2011 Page 289