Nortel Communication Server 1000S Installation And Configuration Manual page 124

Isdn primary rate interface
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553-3001-201
Standard 2.00
MSDL installation for all systems
3
Insert the MSDL card into the selected card slot of the module following
the card guides.
4
Observe the red LED on the MSDL faceplate. If it turns on, flashes three
times, and stays on continuously, the MSDL is operating correctly but is
not yet enabled.
If the LED turns on and stays on continuously without flashing three
times, the card can be defective. Go to step 8.
5
Connect the appropriate cable between the NT6D80 and the PRI card
MSDL interface.
6
Enable the MSDL card in LD96.
7
Unplug the MSDL card and reinsert it. If the red LED still does not flash
three times, leave the card installed for approximately 10 minutes to allow
the card to be initialized.
8
After 10 minutes unplug the card, reinsert it and if the card still does not
flash three times, the card is defective and must be replaced.
September 2004
End of Procedure

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