Adtran NIU3 User Manual

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61175043L3-5A
Issue 1, January 2004
CLEI Code: SIMPAADA
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CLEI Code: SIMPAAGA
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61175043L3-5A
1
Trademarks: Any brand names and product names included in this document are 
trademarks, registered trademarks, or trade names of their respective holders.
CONTENTS
1.
TABLES
1. GENERAL
This practice provides installation and maintenance proce-
dures for the ADTRAN ™ AC/DC Power Supply and Battery 
Charger (PS/BC). Figure 1 is a front and back illustration of 
the PS/BC.
Revision History
This is the initial release of this document. Future revisions 
will be made in this subsection.
Features
Features of the PS/BC, P/N 1175043L3, include the 
following:
Compact design.
Versatile mounting arrangements.
All mounting hardware included.
Built-in fuse.
Multi-feature status LED.
Modular connections.
Positive ground.
Uninterrupted power output (if battery backup 
connected).
FCC and UL 60950 compliant.
Complies with GR-1089-CORE and GR-63-CORE.
Figure 1.  AC/DC Power Supply and Battery Charger
2. DESCRIPTION
The AC/DC PS/BC provides -54 VDC to the Power Supply 
unit in various supported product systems. The PS/BC 
receives 115 VAC through a standard plug and wall socket. 
Some of the more common supported ADTRAN systems 
include:
Total Access 750/850
Total Access OPTI-3
MX2800/2810
NIU3 (single mount housing, 3-slot shelf, 12-slot shelf)
Battery Backup Units
Refer to your product documentation to verify compatibility 
with the PS/BC.
This device complies with part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference that may cause 
undesired operation.
Changes or modifications not expressly approved by 
ADTRAN could void the user’s authority to operate this 
equipment.
Fuse
A 3 Amp fuse on the back panel protects the unit from over 
current. The fuse isolates the AC input from the power supply 
in the event of a fault. The fuse is replaced by twisting the 
AC/DC Power Supply and Battery Charger
Installation and Maintenance