Alpha NPS-W1 Manuale utente
Node Power Supply Enclosure
Installation Manual
Eective: November 2018
2031-295-B0-001, Rev. B (11/2018)
Safety Notes
Alpha considers customer safety and satisfaction its most important priority. To reduce the risk of injury or death and to
ensure continual safe operation of this product, certain information is presented dierently in this manual. Alpha tries to
adhere to ANSI Z535 and encourages special attention and care to information presented in the following manner:
The following sections contain important safety information that must be followed during the installation and maintenance
of the equipment and batteries. Read all of the instructions before installing or operating the equipment, and save this
manual for future reference.
There may be multiple warnings associated with the call out. Example:
ATTENTION provides specic regulatory/code requirements that may aect the placement of equipment and /or
installation procedures.
ATTENTION:
NOTICE provides additional information to help complete a specic task or procedure.
NOTICE:
ELECTRICAL HAZARD WARNING provides electrical safety information to PREVENT INJURY OR DEATH
to the technician or user.
WARNING! ELECTRICAL HAZARD
FUMES HAZARD WARNING provides fumes safety information to PREVENT INJURY OR DEATH to the
technician or user.
WARNING! FUMES HAZARD
FIRE HAZARD WARNING provides ammability safety information to PREVENT INJURY OR DEATH to the
technician or user.
WARNING! FIRE HAZARD
This WARNING provides safety information for both Electrical AND Fire Hazards.
WARNING! ELECTRICAL AND FIRE HAZARD
CAUTION provides safety information intended to PREVENT DAMAGE to material or equipment.
CAUTION!
GENERAL HAZARD WARNING provides safety information to PREVENT INJURY OR DEATH to the
technician or user.
WARNING! GENERAL HAZARD
LASER RADIATION WARNING provides safety information with respect to laser radiation and optical bers.
WARNING! LASER RADIATION
3031-295-B0-001, Rev. B (11/2018)
Node Power Supply Enclosure
Installation Manual
031-295-B0-001, Rev. B
Eective November 2018
Alpha Technologies, Inc.
Disclaimer
Images contained in this manual are for illustrative purposes only. These images may not match your installation.
Operator is cautioned to review the drawings and illustrations contained in this manual before proceeding. If there are
questions regarding the safe operation of this powering system, please contact Alpha Technologies or your nearest Alpha
representative.
Alpha shall not be held liable for any damage or injury involving its enclosures, power supplies, generators, batteries or
other hardware if used or operated in any manner or subject to any condition not consistent with its intended purpose or is
installed or operated in an unapproved manner or improperly maintained.
Contact Information
Sales information and customer service in USA (7AM to 5PM, Pacic Time) .............................................1 800 322 5742
Complete technical support in USA (7AM to 5PM, Pacic Time or 24/7 emergency support) ....................1 800 863 3364
Sales information and technical support in Canada ....................................................................................1 888 462 7487
Website ........................................................................................................................................................www.alpha.com
Introduction
This manual describes the Node Power Supply Enclosure (NPS) and relevant installation information and is intended for
the installers of the enclosure. The installers must be familiar with enclosure installation as well as system grounding and
the safety issues related to lasers and ber optic cabling.
Audience
This guide is intended for experienced installers familiar with the mechanical and electrical requirements of ber optic
systems and qualied, licensed installation personnel. Review the support documentation on the website to become
familiar with the features and functions of the equipment in this system before proceeding. Failure to install and/or use this
equipment as instructed in the system documents can result in damage to the equipment. This system is only serviceable
by qualied personnel.
Trademark Information
Alpha® is a registered trademark of Alpha Technologies.
Revision History - P/N 031-295-B0-001
Version Date Description of Changes and New Features
A04 / 2009 Initial Release of Document
B 11/2018
The document format has been updated to match current style.
Specication and battery runtime tables have been amended.
References (text, graphics) to XM2 Power Supplies have been replaced with XM3.
Updated cooling fan connectivity illustration.
Added part number for right angle power cord at various locations throughout the manual.
Updated battery termination illustrations.
4031-295-B0-001, Rev. B (11/2018)
Contents
Important Safety Instructions...................................................................................... 6
Battery Maintenance Guidelines ................................................................................................................... 6
Electrical Safety ............................................................................................................................................ 6
Mechanical Safety ......................................................................................................................................... 7
Recycling and Disposal Instructions ............................................................................................................. 7
Battery Safety Notes ..................................................................................................................................... 7
Chemical Hazards ......................................................................................................................................... 7
Grounding and Earth Connection Notes.................................................................... 8
Safety Ground and Earth Connection ........................................................................................................... 8
1.0 Overview.................................................................................................................. 9
1.1 Node Power Supply (NPS) Enclosures ................................................................................................... 9
1.2 Specications ........................................................................................................................................ 10
1.3 Battery Runtime .................................................................................................................................... 11
1.4 Parts List ............................................................................................................................................... 13
2.0 Installation............................................................................................................. 14
2.1 Pole-mounted Conguration ................................................................................................................. 14
2.1.1 Installation on Wooden Pole .......................................................................................................... 15
2.1.2 Installation on Steel/Concrete Pole................................................................................................ 17
2.2 Rack-mounted Conguration ................................................................................................................ 19
2.2.1 Installation Procedure .................................................................................................................... 20
2.3 Wall-mounted Conguration .................................................................................................................. 21
2.3.1 Installation ...................................................................................................................................... 22
2.4 Floor-mounted Conguration ................................................................................................................ 23
2.4.1 Installation ...................................................................................................................................... 24
2.5 Connecting the Utility Power ................................................................................................................. 24
2.5.1 Service Power ................................................................................................................................ 25
2.6 Connecting the Coaxial Cable ............................................................................................................... 27
2.6.1 Coaxial Cable Surge Protector Installation Instructions................................................................. 27
2.6.2 Connecting the Service Power Inserter (SPI) ................................................................................ 28
2.6.3 Connecting the Service Power Inserter-RF (SPI-RF) .................................................................... 29
2.7 Battery Installation ................................................................................................................................. 30
2.7.1 Battery Installation Procedure........................................................................................................ 31
2.7.2 Battery Wiring Diagram .................................................................................................................. 32
2.7.3 Battery Terminal Connections ........................................................................................................ 33
2.8 Installing the XM3 Power Supply ......................................................................................................... 34
2.9 Cooling Fan Kit Installation .................................................................................................................. 35
2.10 Cooling Fan Kit Removal .................................................................................................................... 35
3.0 Populating the Cabinet and Turn-up Checklist.................................................. 36
5031-295-B0-001, Rev. B (11/2018)
Figures and Tables
Fig. 1-1 Node Power Supply Enclosures, pole-mount, rack-mount, and wall-mount congurations ................................9
Fig. 2-1 Dimensions and Features .................................................................................................................................14
Fig. 2-2 Wooden Pole Installation ..................................................................................................................................16
Fig. 2-3 Steel/Concrete Pole Installation ........................................................................................................................18
Fig. 2-4 Dimensions, Rack-mounted NPS Enclosure ....................................................................................................19
Fig. 2-5 Dimensions, Wall-mounted NPS Enclosure ......................................................................................................21
Fig. 2-6 Dimensions, Floor-mounted NPS Enclosure ....................................................................................................23
Fig. 2-7 120Vac Service Entrance Wiring .......................................................................................................................25
Fig. 2-8 520-R Receptacle Wiring ..................................................................................................................................26
Fig. 2-9 Surge Protector mounting locations ..................................................................................................................27
Fig. 2-10 Mounting locations for the standard SPI ...........................................................................................................28
Fig. 2-11 Cover Removal .................................................................................................................................................28
Fig. 2-12 Coaxial Cable Connection ................................................................................................................................28
Fig. 2-13 Mounting locations for the SPI-RF ....................................................................................................................29
Fig. 2-14 Battery Identication Label ................................................................................................................................30
Fig. 2-15 NPS Battery Wiring Diagram with 100GXL battery string .................................................................................32
Fig. 2-16 Hardware stack-up, Threaded Battery insert ....................................................................................................33
Fig. 2-17 Hardware stack-up, Threaded Battery insert with optional in-line fuse .............................................................33
Fig. 2-18 XM Series 3 Power Supply ...............................................................................................................................34
Fig. 2-19 Cooling fan installation conguration ................................................................................................................35
Table 1-1 Enclosure Specications ...................................................................................................................................10
Table 1-2 XM2-300HP Battery Runtime ............................................................................................................................ 11
Table 1-3 XM3-910HP 36V Battery Runtime (Congured for 90V Output) .......................................................................12
Table 1-4 XM3-615HP 36V Battery Runtime (Congured for 60V Output) .......................................................................12
Table 1-5 Parts List ...........................................................................................................................................................13
Table 2-1 Service Entrance Circuit Breaker Requirements ..............................................................................................24
6031-295-B0-001, Rev. B (11/2018)
Important Safety Instructions
Review the drawings and illustrations contained in this manual before proceeding. If there are any questions regarding
the safe installation or operation of the system, contact Alpha Technologies or the nearest Alpha representative. Save this
document for future reference.
To reduce the risk of injury or death, and to ensure the continued safe operation of this product, notications have been
placed throughout this manual. Where these notications appear, use extra care and attention.
Alpha Technologies’ products are subject to change through continual improvement processes. Therefore, specications
or design layouts may vary slightly from the descriptions included in this manual. Updates to the manual are issued when
changes aect form, t or function.
ATTENTION:
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.
• To prevent damage, inspect batteries every 3 months for:
Signs of battery cracking, leaking or swelling. The battery should be replaced immediately by authorized personnel
using a battery of the identical type and rating.
Signs of battery cable damage. Battery cable should be replaced immediately by Authorized Personnel using
replacement parts specied by vendor.
Loose battery connection hardware. Refer to battery manufacturer’s documentation for the correct torque and
connection hardware for the application.
• Apply battery manufacturer’s specied antioxidant compound on all exposed connections.
• Verify battery terminals and/or exposed connection hardware is not within 2 inches of a conductive surface.
Reposition batteries as necessary to maintain adequate clearance.
• Clean up any electrolyte (battery emission) in accordance with all federal, state, and local regulations or codes.
• Proper venting of the enclosure is recommended. Follow the Battery Manufacturer’s approved transportation and
storage instructions.
• Always replace batteries with those of an identical type and rating. Never install old or untested batteries.
• Do not charge batteries in a sealed container. Each individual battery should have at least 0.5 inches of space
between it and all surrounding surfaces to allow for convection cooling.
• All battery compartments must have adequate ventilation to prevent an accumulation of potentially dangerous gas.
Electrical Safety
• Lethal voltages are present within the power supply and electrical boxes. Never assume that an electrical
connection or conductor is not energized. Check the circuit with a volt meter with respect to the grounded portion of
the enclosure (both AC and DC) prior to any installation or removal procedure.
• Always use the buddy system when working under hazardous conditions.
• A licensed electrician is required to install permanently wired equipment.
• Input voltages can range up to 240 VAC. Ensure that utility power is disabled before beginning installation or
removal.
• Ensure no liquids or wet clothes contact internal components.
• Hazardous electrically live parts inside this unit are energized from batteries even when the AC input power is
disconnected.
7031-295-B0-001, Rev. B (11/2018)
Battery Safety Notes
Lead-acid batteries contain dangerous voltages, currents and corrosive material. Battery installation,
maintenance, service and replacement must be performed only by authorized personnel.
WARNING! GENERAL HAZARD
Chemical Hazards
Any gelled or liquid emissions from a valve-regulated lead-acid (VRLA) battery contain dilute sulfuric acid, which is
harmful to the skin and eyes. Emissions are electrolytic, and are electrically conductive and corrosive.
To avoid injury:
• Servicing and connection of batteries shall be performed by, or under the direct supervision of, personnel
knowledgeable of batteries and the required safety precautions.
• Always wear eye protection, rubber gloves, and a protective vest when working near batteries. Remove all metallic
objects from hands and neck.
• Batteries produce explosive gases. Keep all open ames and sparks away from batteries.
• Use tools with insulated handles, do not rest any tools on top of batteries.
• Batteries contain or emit chemicals known to the State of California to cause cancer and birth defects or other
reproductive harm. Battery post terminals and related accessories contain lead and lead compounds. Wash hands
after handling (California Proposition 65).
• Wear protective clothing (insulated gloves, eye protection, etc.) whenever installing, maintaining, servicing, or
replacing batteries.
• If any battery emission contacts the skin, wash immediately and thoroughly with water. Follow your company’s
approved chemical exposure procedures.
• Neutralize any spilled battery emission with the special solution contained in an approved spill kit or with a solution
of one pound Bicarbonate of soda to one gallon of water. Report chemical spill using your company’s spill reporting
structure and seek medical attention if necessary.
• All battery compartments must have adequate ventilation to prevent an accumulation of potentially dangerous gas.
• Prior to handling the batteries, touch a grounded metal object to dissipate any static charge that may have
developed on your body.
• Never use uninsulated tools or other conductive materials when installing, maintaining, servicing or replacing
batteries.
• Use special caution when connecting or adjusting battery cabling. An improperly connected battery cable or an
unconnected battery cable can make contact with an unintended surface that can result in arcing, re, or possible
explosion.
Mechanical Safety
• Keep hands and tools clear of fans. Fans are thermostatically controlled and will turn on automatically.
• Power supplies can reach extreme temperatures under load.
• Use caution around sheet metal components and sharp edges.
Recycling and Disposal Instructions
Spent or damaged batteries are considered environmentally unsafe. Always recycle used batteries or dispose of the
batteries in accordance with all federal, state and local regulations.
8031-295-B0-001, Rev. B (11/2018)
Grounding and Earth Connection Notes
1
23
4
2' min.
Connection made with Burndy
connector (P/N YG HR58 C2W-3
or equivalent)
Terminate at enclosure or
external Burndy ground
Terminate at service
entrance ground
#6AWG
Two 8' (2.4m) ground rods, 6' (1.8m)
apart, min.
(may require additional ground rods to meet NEC
minimum grounding standard of 25 ohms or less)
Connection made with Burndy connector
(P/N YGHP58C2W-2TN or equivalent)
#2AWG
Service Grounding (required)
• #6 bare copper wire from Service Neutral / Ground Bar with 2 ground rods located 6’ (1.8m) apart. If system
ground resistance is greater than 25 ohms consult with local code authority for a suitable grounding system.
Lightning Protection (optional)
• 1/2” x 8’ (13mm x 2.4m) copper ground rod, four places, driven about 2’ (0.6m) (typical) from the corners of the
pad.
• #6 bare copper wire loop terminated to each ground rod and buried below grade 30” (.762m) (min). Corrosion-
proof connections (25+ year life-span), and hardware suitable for direct burial MUST be used.
• #6 bare copper wire from loop to the enclosure.
1
2
3
4
• Alpha Technologies recommends using the grounding method illustrated below. The grounding method for a
particular site will be dependant upon soil type, available space, local codes, NESC (National Electric Safety
Code), NEC (National Electric Code), and other site-specic characteristics.
• Alpha recommends less than 25 ohm ground resistance in the grounding system in accordance with NESC
Section 9 and NEC Article 250, 820 Part IV.
• Alpha recommends that if there are other electrical services in the area of any part of the enclosure or
grounding system shown below that you contact your local code authority on possible 20’ (6.0m) bonding
conductor requirements for connecting the dierent grounding systems.
• Alpha Technologies assumes no responsibility or liability for failure of the installer to comply with the
requirements of applicable local and national codes. Where allowed, exothermic welding may be used as an
alternative to Burndy clamps and connectors.
NOTICE:
Enclosure Footprint
9031-295-B0-001, Rev. B (11/2018)
1.0 Overview
1.1 Node Power Supply (NPS) Enclosures
The NPS enclosures are equipped with AC service entrances, AC distribution and are supported with a wide range of
accessories, including Alpha’s XM3 power supply, AlphaCellTM 100XTV batteries and HPL-FT front terminal batteries
providing extended standby runtime and life. An optional Fan Kit is available for the NPS enclosure (see Section 2.9,
Cooling Fan Kit Installation).
The NPS is specically designed for indoor or outdoor installations requiring lower power, a smaller footprint and
embedded DOCSIS® or proprietary status monitoring capability. The NPS is available in pole-, rack-, wall- or oor-
mount congurations. The NPS is an ideal solution for back-up power where traditional equipment is too large and
bulky.
Fig. 1-1, Node Power Supply Enclosures, pole-mount, rack-mount, and wall-mount congurations
10 031-295-B0-001, Rev. B (11/2018)
1.0 Overview, continued
1.2 Specications
Table 1-1, Enclosure Specications
Specifications
Material: Exterior powder-coated aluminum
Vent Screen:
Stainless mesh (required for outdoor applications; optional for indoor config-
urations) with .005" x .005" / .12mm x .12mm opening size to minimize snow,
water and dust ingress
Door and Lid Seal: Poron gasketing
Hardware: Stainless steel
Color: Gray (Custom colors available)
Tamper Switch: Optional
Battery Slide Tray (100XTV Batteries only): Optional
Safety Ground: Adjacent to AC outlets
(Optional stainless steel ground stud)
Lid: Removable
Door: Hinged removable
Pole: Galvanized steel brackets for wood, and concrete pole mount and wall mount
Models NPS-R NPS-W1 NPS-W2 NPS-F NPS-P
Configurations
Installation Indoor Indoor Outdoor Indoor Outdoor
Description 19" and 23" Rack Mount Wall mount Wall mount Floor mount Pole Mount
Mechanical
Dimensions
H x W x D (in/mm)
24.85 x 17 x 14.1 /
631 x 432 x 358
24.85 x 17 x 14.1 /
631 x 432 x 358
24.85 x 17 x 14.1 /
631 x 432 x 358
24.85 x 17 x 14.1 /
631 x 432 x 358
24.85 x 17 x 14.1 /
631 x 432 x 358
Weight (lb/kg) 39 / 17.7 39 / 17.7 39 / 17.7 39 / 17.7 39 / 17.7
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