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Alpha Vision Tech MPS48-7M - page 1
Alpha T echnologies T echnical Manual MPS48-7M Effective: August 2007 ...
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Alpha Vision Tech MPS48-7M - page 2
Power Alpha T echnologies ® ...
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Alpha Vision Tech MPS48-7M - page 3
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. Per F ...
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Alpha Vision Tech MPS48-7M - page 4
4 021-51 1-B4-002, Rev . B Contents Safety Notes .................................................................................................................. ........ 6 1.0 Introduction .............................................................................................................. .1 0 2.0 Theory of Operation .................. ...
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Alpha Vision Tech MPS48-7M - page 5
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........................................................................ 13 Fig. 4-1, AC Connections................................ ...
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Alpha Vision Tech MPS48-7M - page 6
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. Save this document for future reference. T o reduce the risk of injury or death, and ...
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Alpha Vision Tech MPS48-7M - page 7
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. • Remove all conductive jewelry or personal equipment prior to servicing equipment, part ...
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Alpha Vision Tech MPS48-7M - page 8
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. Battery Safety Notes W ARNING! Chemical Hazards Any gelled or liquid emissions from a valve-regulated lead-acid (VRLA) battery contai ...
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Alpha Vision Tech MPS48-7M - page 9
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. • Inspect batteries every 6 months for: Signs of battery cracking, leaking or ...
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Alpha Vision Tech MPS48-7M - page 10
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. The MPS48-7M is supported b ...
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Alpha Vision Tech MPS48-7M - page 11
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. Metal oxide varistor (MOV) ...
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Alpha Vision Tech MPS48-7M - page 12
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. C62.41 to Category A, B, or C requirements, using a “Ring W ave” or “Combination” waveform, at a level of 6kV Outpu ...
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Alpha Vision Tech MPS48-7M - page 13
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 the MPS48-7M, 120V ac 745-866-20 Mounting Bracket with Hardware (included) 745-863-20 AC Line Cord, 5-15P , 8' 745-850-22 T ransformer Kit, 277V a ...
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Alpha Vision Tech MPS48-7M - page 14
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. V erify each carton contains: • MPS48-7M enclosure • Mounting bracket and hardware • 3/4" 3-hole strain relief fi tting • 1/2" strain relief fi ttin ...
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Alpha Vision Tech MPS48-7M - page 15
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). Proceed to Section 4.4. ...
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Alpha Vision Tech MPS48-7M - page 16
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). Most codes require the base of the enclosure to be located a minimum height from the groun ...
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Alpha Vision Tech MPS48-7M - page 17
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.), located in the center bottom of the enclosure. For alternate installation, remove knockouts from the right side, left side, or back left of the enc ...
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Alpha Vision Tech MPS48-7M - page 18
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. Use the following connection procedures for installing the transformer kit. Required T ools and M ...
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Alpha Vision Tech MPS48-7M - page 19
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.), located in the center bottom of the enclosure. For alternate installation, ...
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Alpha Vision Tech MPS48-7M - page 20
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. Secure the top inside nut. 2. Route the customer-supplied connection cab ...
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Alpha Vision Tech MPS48-7M - page 21
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. 2. If using the battery heater mat option, verify the input voltage ...
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Alpha Vision Tech MPS48-7M - page 22
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. 3. Connect the battery terminal left unplugged in Section 4.7. 5.2 Normal Operation Th ...
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Alpha Vision Tech MPS48-7M - page 23
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. The MPS48-7M runs in battery backup mode until AC power is restored, or until the ba ...
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Alpha Vision Tech MPS48-7M - page 24
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. Red LED is ON solid Replace batteries. Red LED is blinking If no batteries are mis ...
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Alpha Vision Tech MPS48-7M - page 25
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. 2. Loosen the retaining screw on the battery retaining bracket and move the br ...
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Alpha Vision Tech MPS48-7M - page 26
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. Consult battery documentation for product ...
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Alpha Vision Tech MPS48-7M - page 27
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 . B. Power Alpha T echnologies ® Alpha T echnologies 3767 Alpha W ay Bellingham, WA 98226 USA T el ...
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