ADTRAN NIU3 Installation And Maintenance Manual

CONTENTS
1. GENERAL ................................................................... 1
2. DESCRIPTION............................................................ 1
3. INSTALLATION......................................................... 2
4. BATTERY BACKUP OPERATION .......................... 4
5. COMPLIANCE CODES.............................................. 5
6. MAINTENANCE ........................................................ 5
7. WARRANTY AND CUSTOMER SERVICE ............ 5
FIGURES
Figure 1. AC/DC Power Supply and Battery Charger.......1
Figure 2. Cable for OPTI-3, MX2810, and NIU3 .............3
Figure 3. Cable for the MX2800........................................4
TABLES
Table 1. LED Indication ................................................. 2
Table 2. Wiring (OPTI-3, MX2810, NIU3) ................... 3
Table 3. Alarm Relay Operation .................................... 4

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.
61175043L3-5A
AC/DC Power Supply and Battery Charger
Installation and Maintenance
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.

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
61175043L3-5A
Issue 1, January 2004
CLEI Code: SIMPAADA
CLEI Code: SIMPAAGA
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