Nortel Networks 1000M - Manual (Page 329)

Connecting off-premise telephones 329
Refer to "Preprogrammed data" (page 373) for default DN
assignments.
Now, you can activate the telephone, as described in "Activating
telephones" (page 336) .
—End—
Connecting off-premise telephones
Connect off-premise analog (500/2500-type) telephones through an
NT1R20 Off-Premise Station Analog Line Card. Each card has Eight ports.
Each of the units on the card can be configured to be operated as an OPS
extension or in an On-premises (ONS) configuration.
DANGER
DANGER OF ELECTRIC SHOCK
The message waiting line card produces -150 V, which is
considered hazardous on off-premise telephones. Make sure that
the -150 V is disabled on off-premise telephones.
The voltage is disabled when the Class Of Service (CLS) assigned
to the telephone is Message Waiting Lamp Denied (LPD) and
Message Waiting Denied (MWD) in LD 10.
Refer to Software Input Output Reference - Maintenance
(NN43001-711) for information about LD 10.
Do not assign a Class of Service of LPA or MWA to an off-premise
telephone.
Procedure 64
Connecting an off-premise telephone
Step Action
1 Mount the NT1R20 Off-Premise Protection Module on the wall using
four #10 1/2 in. (minimum) screws.
2 Connect a #6 AWG (#40 Metric Wire Gauge) from the ground lug
at the bottom of the NT1R20 Off-Premise Protection Module to an
earth ground. Refer to
Figure 138 "NT1R20 Off-Premise Protection
Module connections" (page 331) .
Note: In the UK, use a 2 mm2 (#6 AWG) ground lug. In Europe,
use a #6 AWG (16 mm2) ground lug.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310 01.04 Standard
Release 5.0 13 May 2008
Copyright © 2008, Nortel Networks
.