ADTRAN NIU3 user manual

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61175043L3-5A
Issue 1, January 2004
CLEI Code: SIMPAADA_
CLEI Code: SIMPAAGA_
AC/DC Power Supply and Battery Charger
Installation and Maintenance
CONTENTS
1. GENERAL ................................................................... 1
2. DESCRIPTION............................................................ 1
3. INSTALLATION......................................................... 2
4. BATTERY BACKUP OPERATION .......................... 4
5. COMPLIANCE CODES....................................

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black cap to the left and pulling the fuse out. After the new After unpacking the unit, inspect it for damage. If damage is fuse is inserted, the cap is pushed back in and turned to the noted, file a claim with the carrier then notify ADTRAN right. Customer Service. Status LED MOUNTING AND WIRING INSTRUCTIONS A single multi-feature LED on the front panel provides AC The following are mounting instructions for the AC/DC operation or battery operation power status. Refer to Table 1 PS/BC when ut

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adapter into the receptacle provided on the back of the Total MX2810 and NIU3 Systems Access 750/850 and plug the AC plug into the AC power Mounting source. An additional cable (ADTRAN P/N 1200657L10) is required for connecting the PS/BC to MX2810 and Total Access OPTI-3 NIU3 systems. Mounting Rackmounted Systems An additional cable (ADTRAN P/N 1200657L10) is Use a mounting bracket and secure the Total Access PSU required for connecting the PS/BC to Total Access to the rack (19” bracket–P/

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P/N 1200657L2) that has a molded modular connector on one “ground wire” in a customer equipment room. 18 AWG or end and four soldered wire tips on the other (see Figure 3). larger ground wire is recommended. 4. BATTERY BACKUP OPERATION The following information is applicable when using the PS/BC with any available ADTRAN BBU. Alarm and Battery Disconnect Relays Figure 3. Cable for the MX2800 Two relays support Power Supply operation: Connect the soldered ends of the wires to the modular con- •

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will be recharged when normal AC voltage is restored and the relay will close when the battery voltage exceeds 40V. Certain alarm features on the power supply are still powered by the battery after the disconnect relay is opened. These features slowly drain the battery. If it is known that AC power will be unavailable for an extended periods (greater than a week), ADTRAN recommends that the battery be disconnected from the power supply to prevent over- discharge. 5. COMPLIANCE CODES Code I

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6 Issue 1, January 2004 61175043L3-5A