Teo NT1B-300 Rack - Manual (Page 6)

Tone Commander NT1B-300 Rack Installation Instructions
Page 6 13-280113 Rev. B
Power
Rack Power Supply
1. Verify that the power output cable (red and black wires) is plugged into the rack’s POWER connector.
2. Plug the power cord into a local 120 VAC, 60 Hz, single phase power outlet.
Battery Backup Power Supply
Refer to the NT1-200 Battery Backup Installation Instructions (doc. #13-102688) for Backup Battery power
supply installation.
ISDN Terminal Power
ISDN terminals connected to the NT1s installed in the rack are powered from the NT1B-300 Rack power
supply. Terminal power can be provided by either of the following methods:
PS-2 – Direct power feed on Terminal jack pin 7 (-) and pin 8 (+), approximately 4.5 watts average per
terminal for a fully loaded rack (240 watts maximum per rack).
PS-1 – Phantom power feed over the transmission pairs, Terminal jack pins 3/6 (+) and pins 4/5 (-), 4 watts
maximum per NT1 circuit.
Power connections to each NT1 are individually short circuit protected.
Power Up Test
Refer to the NT1B-300TC installation manual (doc. # 13-280111) for power up test information.
Service
Repair of the NT1B-300 Rack and NT1B-300TC must be done by Tone Commander. Prior to equipment
removal, call Tone Commander Customer Technical Support for assistance in determining the source of
the problem. This critical action can often prevent needless removal of equipment and subsequent
customer inconvenience.
Tone Commander
Customer Technical Support Department
11609 49th Place West
Mukilteo, WA 98275-4255 USA
Phone: (425) 349-1000
(800) 524-0024
Fax: (425) 349-1010
E-mail: [email protected]
Web: www.tonecommander.com
Tone Commander is committed to meeting the product needs of our customers. Please write or call us with
any suggestions for improvement.