Nortel Networks 1000 - Manual (Page 471)

Electrical specifications 471
Table 195
Power requirements
Voltage
(+/-) Tolerance
Idle
current
Active
current Max
+ 12.0 V DC 0.36 V DC 48 mA 0 mA 48 mA
+ 8.0 V DC 0.40 V DC 150 mA 8 mA 280 mA
- 48.0 V DC 2.00 V DC 48 mA 40 mA 688 mA
- 48.0 V DC 5.00 V DC 0 mA 10 mA
(Note 1)
320 mA
86.0 V AC 5.00 V AC 0 mA 10 mA
(Note 2)
160 mA
-150.0 V DC 3.00 V DC 0 mA 2 mA 32 mA
Note: Each active ringing relay requires 10 mA of battery voltage.
Note: Reflects the current for ringing a single station set. There may be as many
as five ringers on each line.
Table 196 "Power requirements" (page 471) provides the power
requirements for the NT8D09 Analog Message Waiting Line Card.
Table 196
Power requirements
Voltage
(+/-)
Tolerance
Idle
current Active
current
Max
+ 12.0 V dc 0.36 V dc 48 mA 0 mA 48 mA
+ 8.0 V dc 0.40 V dc 150 mA 8 mA 280 mA
–48.0 V dc 2.00 V dc 48 mA 40 mA 688 mA
–48.0 V dc 5.00 V dc 0 mA 10 mA
(Note 1) 320 mA
86.0 V ac 5.00 V ac 0 mA 10 m
(Note 2) 160 mA
–150.0 V dc 3.00 V dc 0 mA 2 mA 32 mA
Note 1: Each active ringing relay requires 10 mA of battery voltage.
Note 2: Reflects the current for ringing a single station set. There may be as
many as five ringers on each line.
Foreign and surge voltage protections
In-circuit protection against power line crosses or lightning is not provided
on the NT8D09 Analog Message Waiting line card.
In-circuit protection against power line crosses or lightning is not provided
on the analog message waiting line card. When the card is used to
service off-premise telephones, primary and secondary MDF protection
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.