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Issue 4, August 2004

61212073L1-5D

9. WARRANTY AND CUSTOMER SERVICE

ADTRAN will replace or repair this product within the 
warranty period if it does not meet its published specifi-
cations or fails while in service. Warranty information 
can be found at 

www.adtran.com/warranty

Refer to the following subsections for sales, support, 
CAPS requests, or further information.

ADTRAN Sales

Pricing/Availability:
800-827-0807

ADTRAN Technical Support

Pre-Sales Applications/Post-Sales Technical 
Assistance:

800-726-8663

Standard hours: Monday - Friday, 7 a.m. - 7 p.m. CST
Emergency hours: 7 days/week, 24 hours/day

ADTRAN Repair/CAPS

Return for Repair/Upgrade:
(256) 963-8722

Repair and Return Address

Contact Customer and Product Service (CAPS) prior to 
returning equipment to ADTRAN.

ADTRAN, Inc.
CAPS Department
901 Explorer Boulevard
Huntsville, Alabama 35806-2807 

Summary of Contents for DS3 NIU3

Page 1: ...he backplane circuitry is protected by a metal cover that has openings for BNC data jacks pass through relays power terminal connections and alarm pins Removable covers provide security for power and alarm connections and pass through and alarm relays All connections are clearly labeled Features The NIU3 3 Slot Shelf provides the following features and functions Field replaceable pass through rela...

Page 2: ...212078L1WM accommo dates a stack of two 3 Slot Chassis Six x inch bladed hex head screws and flat washers are provided with the 1212078L1WM wallmount bracket for attaching to the wall In this configuration the original flanges are removed and the wallmount flanges are installed using the countersink screws from the originals If using P N 1212073L1WM install the chassis so the circuit cards front p...

Page 3: ... local supply to PWR A 2 Connect the associated return wire to RET A 3 If redundant power is intended make similar connections to PWR B and RET B CAUTION Terminate grounds to an approved ground location Check metal to metal contact on all ground connections Verify ground circuit continuity 4 Connect the common frame ground terminal or ground lug 6 AWG max to an approved ground location CAUTION Per...

Page 4: ... standards 2 Install all protective shields and panels that were removed for wiring installation 3 Provide power to the backplane 5 TURNUP When an NIU3 is inserted into a shelf with power on the backplane the STATUS LED turns on red while the NIU3 performs a self test If the test passes the STATUS LED turns on green and the other LEDs go through an on off sequence indicating the NIU3 is online If ...

Page 5: ...cent to the alarm wire wrap pins on the backplane The alarm relay output responds to the card malfunction status on individual NIU3 cards If an alarm condition occurs but an alarm signal is not present then a failed alarm relay is indicated Follow this procedure to replace a failed alarm relay 1 Using an appropriately sized IC extractor tool lift the relay off its socket 2 Align and insert the rep...

Page 6: ...es support CAPS requests or further information ADTRAN Sales Pricing Availability 800 827 0807 ADTRAN Technical Support Pre Sales Applications Post Sales Technical Assistance 800 726 8663 Standard hours Monday Friday 7 a m 7 p m CST Emergency hours 7 days week 24 hours day ADTRAN Repair CAPS Return for Repair Upgrade 256 963 8722 Repair and Return Address Contact Customer and Product Service CAPS ...

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