NEC DS1000 Correspondence Course Workbook

DS1000/2000 Correspondence Course
DS2000 System Installation
NEC America DS1000/2000 Workbook ◆ 109
To test the Power Failure Telephone:
1. Connect a Power Failure Telephone. Use the following figure for
guidance.
2. Power down the system.
3. At the Power Failure Telephone, lift the handset.
You should hear dial tone on the trunk you connected.
4. Place a test call.
If power is restored while a cut-through call is in progress, the call
is maintained until the user hangs up the Power Failure Cut-
Through telephone.
Connecting a Power Failure Telephone
80000 - 40
BLK YEL
GRN RED
To Power
Failure
Telephone
connector on
ATRU PCB
Power
Failure
Telephone
25 Pair
Installation Cable
Station
Block
Cross
Connect
Block
8-Pin
Connector
BLU-WHTWHT-BLU
625
Modular
Jack
One-Pair Cross-Connect

NEC DS1000 Specifications

General

Brand	NEC
Model	DS1000
Category	Telephone
Language	English