Alpha Vision TechメーカーMPS48-7Mの使用説明書/サービス説明書
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Alpha T echnologies T echnical Manual MPS48-7M Effective: August 2007.
Power Alpha T echnologies ®.
MPS48-7M T echnical Manual 021-51 1-B4-002, Rev . B Ef fective Date: August 2007 Copyright© 2007 Alpha T echnologies, Inc. member of The Group TM Notice of FCC Compliance Per FCC 47 CFR 15.21: Changes or modi fi cations not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
4 021-51 1-B4-002, Rev . B Contents Safety Notes .................................................................................................................. ........ 6 1.0 Introduction ...........................................................
5 021-51 1-B4-002, Rev . B List of Figures and T ables Fig. 1-1, MPS48-7M Overview ............................................................................................ 10 Fig. 3-1, MPS48-7M Enclosure Dimensions.................................
6 021-51 1-B4-002, Rev . B Safety Notes Review the drawings and illustrations in this manual before proceeding. If there are any questions regarding the safe installation or operation of this product, contact Alpha T echnologies or the nearest Alpha representative.
7 021-51 1-B4-002, Rev . B General Safety Precautions T o avoid injury: • This enclosure and its hardware must only be serviced by authorized personnel. • The enclosure must remain locked at all times, except when authorized service personnel are present.
8 021-51 1-B4-002, Rev . B Lead-acid batteries contain dangerous voltages, currents, and corrosive material. Battery installation, maintenance, service, and replacement must be performed only by authorized personnel.
9 021-51 1-B4-002, Rev . B Battery Maintenance Guidelines The battery maintenance instructions listed below are for reference only . Battery manufacturer ’ s instructions for transportation, installation, storage or maintenance take precedence over these instructions.
10 021-51 1-B4-002, Rev . B 1.0 Introduction Alpha’s FlexNet MPS48-7M multipurpose power supply provides primary and standby power to Wi-Fi radios in wall-mount and pole-mount applications. The MPS48-7M interface module includes connections for radio, Ethernet backhaul, local Craft port, and 48Vdc auxiliary connection.
11 021-51 1-B4-002, Rev . B 2.0 Theory of Operation The FlexNet MPS48-7M multipurpose power supply provides fi ltered 50W output power for a typical 48V telecom bus during normal line operation. During line disruptions, the MPS48-7M supplies uninterrupted output power of 50W directly from a string of four 12V batteries.
12 021-51 1-B4-002, Rev . B Input V oltage Range (switch selectable) 90-132V ac (low range) or 180-264V ac (high range), 250 to 347V ac with optional step-down transformer Frequency 47Hz or 63Hz Surge Protection ANSI/IEEE Std.
13 021-51 1-B4-002, Rev . B Fig. 3-1, MPS48-7M Enclosure Dimensions Spare Parts and Options Part Number Product Name 189-078-20 Battery Heater for the MPS48-7M, 240V ac 189-078-21 Battery Heater for t.
14 021-51 1-B4-002, Rev . B 4.0 Installation 4.1 Unpacking the MPS48-7M Remove the mounting bracket and enclosure from the shipping carton. Inspect the MPS48-7M for shipping damage.
15 021-51 1-B4-002, Rev . B 4.0 Installation, continued 4.2 Enclosure Installation, Wall-mount or W ooden Pole Mount, continued 4. Hang the enclosure on the bracket. 5. Secure the enclosure to the bracket using the four self-tapping screws with washers (supplied).
16 021-51 1-B4-002, Rev . B 4.0 Installation, continued 4.3 Enclosure Installation, Steel or Concrete Pole T o mount the MPS48-7M on concrete or steel poles, two user-supplied mounting straps are required (straps must be stainless, galvanized, or equivalent).
17 021-51 1-B4-002, Rev . B 1. V erify utility power is OFF . T ag and lock utility power switch. 2. Remove the 1/2" EMT knockout (7/8" dia.) and the 3/4" EMT knockout (1 1/8" dia.
18 021-51 1-B4-002, Rev . B 4.0 Installation, continued 4.5 AC Connection with High V oltage T ransformer The transformer converts high voltage to 240V ac. The transformer is required for powering the MPS48-7M from high voltage light pole applications.
19 021-51 1-B4-002, Rev . B 4.0 Installation, continued 4.5 AC Connection with High V oltage T ransformer , continued 4.5.2 Installing the Streetlight AC Power T ap Cable 1. Remove the 1/2" EMT knockout (7/8" dia.) and the 3/4" EMT knockout (1 1/8" dia.
20 021-51 1-B4-002, Rev . B 4.0 Installation, continued 4.6 Network Cable Connection Procedure Required T ools and Materials: Channellock pliers 1. Remove the white seal from the 3-hole strain relief fi tting, and install the base of the fi tting into the 3/4" knockout.
21 021-51 1-B4-002, Rev . B 4.0 Installation, continued 4.7 Battery Connection Procedure Required T ools and Materials: • #2 fl athead screwdriver • Electrical tape 1. Loosen the retaining screw on the battery retaining bracket and move the bracket clear of the battery shelf.
22 021-51 1-B4-002, Rev . B 5.0 Operation 5.1 Start-up 1. V erify the input voltage select switch on the power module is set for the correct input voltage. The factory default setting is 240V ac. 2. V erify customer-end connections and apply AC power to the unit.
23 021-51 1-B4-002, Rev . B 5.0 Operation 5.3 Battery Backup Mode In the event of an AC power outage, the MPS48-7M switches to battery backup mode to power the load. The green status LED begins to blink, indicating the load is being powered from the battery string.
24 021-51 1-B4-002, Rev . B 6.0 T roubleshooting 6.1 T roubleshooting T able T roubleshooting T able Fault Corrective Action Green LED is blinking after initial startup V erify AC power is ON. Check voltage at AC input block. Check AC input connector on power module.
25 021-51 1-B4-002, Rev . B 7.0 Maintenance 7.1 Battery Replacement The MPS48-7M batteries are hot-swappable. There is no need to power down the unit when replacing the batteries. Required T ools and Materials: #2 fl athead screwdriver 1. Unplug the battery connections.
26 021-51 1-B4-002, Rev . B 7.0 Maintenance, continued 7.3 Battery Management Batteries have limited shelf life and must be put into service in a timely manner . The chart below provides general storage guidelines and illustrates the relationship between capacity retention and storage temperature over time.
Due to continuing product improvements, Alpha reserves the right to change speci fi cations without notice. Copyright © 2007 Alpha T echnologies, Inc. All rights reserved. Alpha is a registered trademark of Alpha T echnologies. 021-51 1-B4-002, Rev .
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