Ericsson MASTR III 344A3168P1, Руководство по обслуживанию

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EMERGENCY POWER OPTIONS
CH1L - AUTOMOBILE BATTERY EMERGENCY
POWER (120 Vac/60 Hz VERSION); Adds a
charger and power harness cabling. The automo-
bile battery is external to the base station cabinet
and is purchased separately by the customer for
field installation.
CH1M - AUTOMOBILE BATTERY EMERGENCY
POWER (230 Vac/50 Hz VERSION) Same as
CH1L except for international version charger.
CH1R - GEL CELL BATTERY EMERGENCY POWER
(120 Vac/60 Hz VERSION) Adds a charger,
power cable harnessing, and a gel cell shelf. The
four 12V 25 AH gel cell batteries are not included
in this option. Each of the batteries can be ordered
for field installation per drop ship index item,
V2401.
CHI - GEL CELL BATTERY EMERGENCY POWER
(230 Vac/50 Hz VERSION) Same as CH1R ex-
cept for international version charger.
Copyright© April 1992, Ericsson GE Mobile Communications Inc.
TABLE OF CONTENTS
Page
MIII BASE STATION EMERGENCY POWER OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHARGER SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
EMERGENCY POWER OPTION SYSTEM DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CIRCUIT DESCRIPTION AND THEORY OF OPERATION
FOR THE BATTERY CHARGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
MAIN CHARGING CIRCUITRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OVERCURRENT PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INPUT OVERVOLTAGE PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OVERTEMPERATURE PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
BATTERY SWITCHING OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
DEEP DISCHARGE PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ERROR FLAG SIGNALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INTERNAL BIAS VOLTAGE SOURCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FLOAT VOLTAGE ADJUST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TROUBLESHOOTING PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PARTS LIST
BATTERY & HARDWARE KITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
BATTERY CHARGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ASSEMBLY DIAGRAM
60 Hz CHARGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
MASTR III STATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
INTERCONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
INSTALLATION INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
This manual covers Ericsson and General Electric products manufactured and sold by Ericsson Inc.
NOTICE!
Repairs to this equipment should be made only by an authorized service technician or facility designated by the supplier.
Any repairs, alterations or substitution of recommended parts made by the user to this equipment not approved by the manu-
facturer could void the user’s authority to operate the equipment in addition to the manufacturer’s warranty.
NOTICE!
This manual is published by Ericsson Inc., without any warranty. Improvements and changes to this manual necessitated
by typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made
by Ericsson Inc., at any time and without notice. Such changes will be incorporated into new editions of this manual. No
part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including
photocopying and recording, for any purpose, without the express written permission of Ericsson Inc.
The software contained in this device is copyrighted by the Ericsson Inc. Unpublished rights are reserved under the
copyright laws of the United States.
NOTICE!
LBI-38625
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