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Wiring off ISDN BRI 2 on to NORSTAR uk compact ccu

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sprite031

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Feb 23, 2016
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Hi Guy

Can some one help me with this please.

I have a UK Compact plus with a ISDN 2 card but not sure where you jump the ISDN on to on the system

Thansk
 
You will need to jumper it on ports 001 to 004 or 031 to 034 if you have the ISDN 2 card in the second slot.

ISDN2 Trunk programming.
The main problem is getting the wiring to terminate correctly onto the TJF Krone strips. The circuit is normally provided via a ISDN terminal adapter with one or 2 RJ45 outlets the best way was to cut one plug of a standard RJ45 extension lead & use the following colour codes as follows ..

Green pair & Blue pair for the transmit & receive ports on e.g. Krone ports 1 & 2.

The following are the pin outs for connection of ISDN2 back up to the Telco 1 cable
Telco pin & cable colour RJ45 pin & cable colour
18a Y-GN 3 W-GN
18b GN-Y 6 GN-W
19a Y-BN 4 BL-W
19b BN-Y 5 W-BL

Once the connection has been done, you will need to unplug the RJ45 lead & reconnect it again in order for the link to be established



Firebird Scrambler
Nortel Meridian 1 / Succession and BCM / Norstar Programmer in the UK
Advance knowledge on BCM support
 
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