Nortel Networks NN43001-318 User Manual
40
Installing ISDN BRI hardware
exchange the Tx and Rx pair position. This rewiring is done at the
Main Distribution Frame (MDF).
Main Distribution Frame (MDF).
2
Remove the phantom power jumpers (two jumpers per DSL) from
the pin headers.
the pin headers.
3
Place the SILC in the selected IPE slot.
4
Configure the selected DSL as Terminal Equipment (TE) mode in
LD 27.
LD 27.
5
Enable the clock in LD 60 to output the clock references to the IPE
back plane pins.
back plane pins.
6
Configure the Clock Controller card to accept ISDN BRI clock
reference.
reference.
7
Check the appropriate messages from the Clock Controller to ensure
that it is synchronized to the proper clock reference in LD 60).
that it is synchronized to the proper clock reference in LD 60).
8
Connect the ISDN BRI clock reference cables to the Clock Controller,
using the procedures which follow.
using the procedures which follow.
—End—
Connecting clock reference cables
Complete this procedure to connect the ISDN BRI clock reference cables
to the Clock Controller. There are three different cables that route clock
signals from the IPE back plane to the Clock Controller face plate (as shown
in
to the Clock Controller. There are three different cables that route clock
signals from the IPE back plane to the Clock Controller face plate (as shown
in
). Refer to
Table 8
ISDN BRI clock reference tables
ISDN BRI clock reference tables
Code
Length (feet)
Use
NTND70AA
1.5
Connects IPE back plane to
IPE I/O panel.
IPE I/O panel.
NTND71AA-AD
6.5, 12, 25, 42
Connects IPE I/O to CE I/O
panel.
panel.
NTND72AA
6.5
Connects CE I/O to Clock
Controller face plate.
Controller face plate.
Note: Measure the distance between the IPE and CE modules to
ensure that you order the correct cable lengths.
ensure that you order the correct cable lengths.
Nortel Communication Server 1000
ISDN Basic Rate Interface Installation and Commissioning
NN43001-318
01.02
Standard
Release 5.0
20 June 2007
Copyright © 2003-2007, Nortel Networks
.