ADC Telecommunications PSMAWS3M FWP-Z4MT000MOD User Manual

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Document ID	3420244
Application ID	/cn2P3ah5Hzo9+Sg9I4C5w==
Document Description	User Manual
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Permanent Confidential	No
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	481.42kB (6017758 bits)
Date Submitted	2017-06-09 00:00:00
Date Available	2017-06-09 00:00:00
Creation Date	2017-05-22 13:18:36
Producing Software	Acrobat Distiller 15.0 (Windows)
Document Lastmod	2017-05-25 09:30:09
Document Title	FlexWave Prism Remote Unit and RF Module Installation Guide
Document Creator	FrameMaker 2015.0.5
Document Author:	CB1042

Install the Prism Remote Unit
INSTALL
THE
PRISM REMOTE UNIT
This section tells you how to install a Prism Remote Unit (PRU). If the PRU is already installed and you need to
add one or more RF Modules, go to "Install the RF Module(s)” on page 84.
PLANNING FOR A PRISM REMOTE UNIT INSTALLATION
Before you unpack the PRU, you should first plan for where it will be mounted and collect the tools and supplies
that are required to mount the PRU and then connect it to a Prism system.
NOTE:
Installation of the Prism Remote Unit may proceed separately from the installation of the corresponding
Host Unit.
Safety Precautions
CAUTION! Do not power on the Prism Remote Unit chassis until instructed to do so in the installation procedures
included in this installation guide.
CAUTION! This is restricted access equipment and only qualified service personnel should open, service, or operate
this equipment using appropriate tools.
CAUTION! This equipment uses a Class 1 Laser per FDA/CDRH rules. Laser radiation can seriously damage the retina
of the eye. Do not look into the ends of any optical fiber. Do not look directly into the optical transceiver
of any digital unit or exposure to laser radiation may result. An optical power meter should be used to
verify active fibers. A protective cap or hood MUST be immediately placed over any radiating
transceiver or optical fiber connector to avoid the potential of dangerous amounts of radiation
exposure. This practice also prevents dirt particles from entering the adapter or connector.
CAUTION! Wet conditions increase the potential for receiving an electrical shock when installing or using
electrically-powered equipment. Do not perform service on the Prism Remote Unit or its components
in a wet location, if it is raining or snowing, or if impending rain or snow has been observed.
CAUTION! Exterior surfaces of the Prism Remote Unit may be hot. Use caution during servicing.
CAUTION! Contact with overhead cables, especially electric power cables, could cause serious personal injury or
death. Before beginning the installation, check the location of all overhead wires and cables and take
precautions to avoid accidental contact.
CAUTION! Use appropriate lifting equipment when unpacking, moving or installing the Fullband Remote Unit. Do
not stand under the Fullband Remote Unit as it is hoisted into position for installation. A failure of the
lifting equipment could result in serious personal injury.
CAUTION! The location in which the Remote Unit is installed (utility pole, mast, or flat surface) must be able to
support the weight of a fully-populated Fullband Remote Unit; see Table 18 on page 31.
CAUTION! This system is an RF Transmitter and continuously emits RF energy. Maintain 3 foot (91.4 cm) minimum
clearance from the antenna while the system is operating. Wherever possible, shut down the RAN
before servicing the antenna.
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Install the Prism Remote Unit
CAUTION! Always allow sufficient fiber length to permit routing of patch cords and pigtails without severe bends.
Fiber optic patch cords or pigtails may be permanently damaged if bent or curved to a radius of less than
2 inches (5.1 cm).
CAUTION! Always use an Electro-Static Discharge (ESD) wrist strap whenever you work with the Prism Remote Unit
or its components. Make sure that it maintains maximum contact with bare skin. ESD grounding straps
are available with banana plugs, metal spring clips, or alligator clips. To ensure adequate grounding,
connect the ESD wrist strap to any bare metal surface of the Prism Remote Unit chassis (which may
require that you scrape off some of its protective coating), or to the Dual-Ground Connector at the
bottom of the unit. For information on the Dual-Ground Connector, see "Ports and Connectors” on
page 7.
CAUTION! Service personnel must confirm that the perimeter gasket and door-to-door gaskets are in place when
closing the Remote Unit doors after servicing.
Mounting Plans
The PRU has a low-profile design that requires minimal real estate for installation. The basic dimensions and
weights of the PRU are listed in Table 19 on page 31 and Table 18 on page 31.
The PRU should be mounted on a utility pole, mast, or on a flat surface. A Mounting Bracket ships with each
Remote. Installation consists of securing the bracket to the mounting surface (wood, concrete, or steel) and then
hanging the unit from the bracket. the PRU should only be mounted in a restricted access location.
Before mounting the PRU, make sure that the following requirements are met.
•
The PRU must
–
be installed only in a restricted-access location
–
must be located as specified in the system design plan (not documented here). If a system design plan has
not been prepared, consult with the Technical Support for Wireless Products team for assistance (see
"DCCS Global Technical Support” on page 124).
–
must have ready access to the specified AC or DC power source.
•
If you mount the PRU in a horizontal position, you must mount it at a slight angle, with the top of the PRU
chassis angled higher than the bottom, which creates a slope that allows water or snow to run off the PRU
chassis. If it is mounted indoors, no slope required.
•
If you mount the PRU in an upside-down horizontal position (i.e., a ceiling mount), attach safety leashes that
can support the weight of a fully populated chassis (see Table 18 on page 31).
•
The site chosen must
–
conform to all local codes; required permits must be obtained prior to mounting a PRU
–
comply with the unit environmental specifications
–
be open to free air space on the bottom (cable entry end), the top, the front, and both sides
–
allow adequate clearance at the bottom of the PRU to provide access for attaching cables and for viewing
the LED indicator
–
provide 18 inches (45.7 cm) of clearance on the front and both sides of the PRU to allow doors to be
opened for service and to allow free air circulation
–
can bear the size and weight of the PRU enclosure, see Table 18 on page 31 and Table 19 on page 31
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Install the Prism Remote Unit
Table 18.
Prism Remote Unit Weights (1)
PRU Model
Unpopulated Populated
Single-Bay
Pounds 65
Kilograms 29
83
38
Pounds 81
Kilograms 37
117
53
Pounds 97
Kilograms 44
151
68
Pounds 116
Kilograms 53
188
85
Dual-Bay
Tri-Bay
Quad-Bay
Unpopulated” weight includes the SeRF Module and
the Solar shields, which are always present.
“Populated” weight is the weight of the chassis that
has the SeRF Module and RF Modules installed.
Table 19.
PRU Model
Prism Remote Unit Enclosure Dimensions (1)
Height
Width (2) Depth
See…
Single-Bay
Figure 9 on page 32
Inches 25.2
Centimeters 64
12.2
30.99
11.2
28.45
Inches 33.2
Centimeters 84.3
12.2
30.99
11.2
28.45
Inches 41.2
Centimeters 104.6
12.2
30.99
11.2
28.45
Inches 52.4
Centimeters 133.10
12.2
30.99
11.2
28.45
Dual-Bay
Figure 10 on page 33
Tri-Bay
Figure 11 on page 34
Quad-Bay
Figure 12 on page 35
To have adequate clearance to open the PRU chassis door, allow a minimum of 18 inches at
the left, right and front of each PRU.
Dimension for width includes the mounting brackets.
Figure 9 on page 32 through Figure 12 on page 35 provide the spacing dimensions for bands and bracket
mounting bolts.
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14.5” (36.83 cm)
Top Band to Boom Band
14.0” (35.56 cm)
Top Bolt to Boom Bolt
Figure 9. Mounting Dimensions for Single-Bay PRUs
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21.7” (55.118 cm)
Top Band to Boom Band
21.0” (53.34 cm)
Top Bolt to Boom Bolt
12.1” (30.734 cm)
MiddleBand to Boom Band
Figure 10. Mounting Dimensions for Dual-Bay PRUs
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30.6” (77.724 cm)
Top Band to Boom Band
17.5 (44.45 cm)
Top Bolt to Boom Bolt
16.1” (40.894 cm)
MiddleBand to Boom Band
Figure 11. Mounting Dimensions for Tri-Bay PRUs
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41.7” (105.918 cm)
Band 1 to Boom Band
28.0” (71.12 cm)
Top Bolt to Boom Bolt
27.6” (70.104 cm)
Band 2 to Boom Band
11.1” (28.194 cm)
Band 3 to Boom Band
Figure 12. Mounting Dimensions for Quad-Bay PRUs
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Install the Prism Remote Unit
Installation Tools and Supplies
The tools and any additional materials required for install and mount the PRU are dependent on the mounting
location.
Tools Required for All Mounting Methods
The Mounting Bracket ships with the PRU—it secures the PRU to its packing crate. All installations require at
least one each of the following, which must be provided by the installer:
•
tape measure
•
pencil or other marking device
•
3/8-inch Flat-Blade screwdriver
•
lifting equipment for PRU.
Additional Tools and Supplies Required for Steel-Pole Mounting
When mounting the PRU to a steel pole, in addition to the supplies listed in "Tools Required for All Mounting
Methods” on page 36 the following supplies are needed:
•
one hammer, >16-ounces
•
one Strap Tensioning/Clamping Tool (Uline Model No. H-1273, or equivalent)
•
Table 20 shows the number of stainless-steel straps and stainless-steel buckles required for each PRU type,
in which you must have the same number of buckles as straps.
–
Use 1/2-inch to 3/4-inch 201, 301, 304 or 316 Stainless-Steel Strapping with a minimum tensile strength
of 1500 pounds (Uline Model No. S-11329, or equivalent).
–
Use Stainless-Steel Buckles designed specifically for the above-mentioned strapping (Uline Model No.
S-11331, or equivalent).
Table 20. Required Stainless-Steel Bands for Steel-Pole Mounting
CommScope Catalog Number
FP4-XXXXX0021XXRU - Quad-Bay Remote
FP3-XXXXX0021XXRU - Tri-Bay Remote
FP2-XXXXX0021XXRU - Dual-Bay Remote
FP1-XXXXX0021XXRU - Single-Bay Remote
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Number of Bands Required for Installation
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Install the Prism Remote Unit
Additional Tools and Supplies Required for Wood-Pole Mounting
When mounting the PRU to a wood pole, in addition to the supplies listed in "Tools Required for All Mounting
Methods” on page 36, the following supplies are needed:
•
one electric drill, 1/2-inch or larger
•
one 1/2-inch drill bit
•
two 1/2-inch square-head through-bolt or equivalent that is long enough to extend through the utility pole
•
two 1/2-inch square nut or equivalent
•
two 1/2-inch square washer
•
one or more appropriately-sized wrenches for through-bolts
•
one adjustable wrench
Additional Tools and Supplies Required for Flat-Surface Mounting
•
one electric drill, 1/2-inch or larger
•
one 5/8-inch wrench
•
two 1/2-inch flat washers
•
two 1/2-inch lock washers
•
for masonry wall installations only:
•
–
two 1/2 x 1 1/2-inch hex bolts for masonry wall installations
–
two 1/2-inch concrete wall anchors for masonry wall installations
–
two 3/4-inch masonry drill bit (for masonry wall installations)
for wood-framed wall installations only:
–
one 3/4-inch pressure-treated plywood, sized to accommodate the PRU (see Table 19 on page 31)
–
fasteners for securing 3/4-inch plywood to wall
–
one 9/16-inch standard drill bit
–
two 1/2 x 1-inch hex bolts
–
two 1/2-inch Tee Nuts
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Install the Prism Remote Unit
Tools and Supplies Required to Connect a PRU
The installation hardware provided with a PRU is listed below.
•
One 15-foot (4.6m) AC Power Cable, that is included with the PRU
•
One of the following, which is purchased separately from the PRU:
–
ProAx cable assembly for legacy PRUs using a ProAx Connector
–
HMFOC Cable Assembly for HMFOC Connector
–
Fiber Pass-Through Cable Assembly (provided by installer)
CAUTION! The hardware used to package the PRU for shipment is not intended for installations of a PRU and
should be kept with the Prism Remote Unit packaging. Do not use the shipping hardware when installing
a PRU.
Additional hardware or tools required to connect a PRU to a Prism system is listed below.
•
Electro-Static Discharge (ESD) wrist strap
•
Socket Wrench and 3/8-inch Deep Socket
•
Wire cutters
•
Wire stripper
•
9/64-inch Allen™ wrench (dual-slot RF Module installations only)
•
42MM wrench capable of 44 in-lb torque (the recommended N-Connector torque is 8 in-lb)
•
Phillips screw driver capable of 18 in-lb torque
•
N-Type male connectors
•
Tool kit for attaching N-Type connectors to coaxial cable
•
Fiber cleaning kit
•
#6 AWG (4 mm) copper wire and splice
•
Tools, Junction box, conduit, fasteners, connectors, and wire to install an exterior AC circuit
•
RJ-45 connector (if making a permanent external network cable connection)
•
For DC-powered PRUs, an 8 AWG or 6 AWG, 3- or 4-conductor power cable rated for outdoor use, with the
following requirements.
–
The wire colors must be green, red, and black.
–
The cable diameter must be .71 to .98 inches.
–
If a 4-conductor power cable is used, the extra conductor can be snipped off before installation.
–
If using 6 AWG wire, the installer must provide and use #10 stud size, 6 AWG ring terminals.
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Install the Prism Remote Unit
UNPACK AND INSPECT THE PRISM REMOTE UNIT AND COMPONENTS
Inspect the exterior of the shipping container(s) for evidence of rough handling that may have damaged the
components in the container.
Check the contents for damage and verify with the packing slip.
If damage is found or parts are missing, file a claim with the commercial carrier and notify CommScope
Customer Service (see "DCCS Global Technical Support” on page 124). Save the damaged cartons for
inspection by the carrier.
Unpack the PRU.
Remove the power cable and any other ship-a-long items from either side of the PRU.
Connect a hoist to the two D rings at the top of the PRU.
Top of a
Dual-Bay PRU
D-Rings on
the PRU
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Loosen the two captive screws at the bottom of the PRU.
Boom of the PRU
Capve screws on the PRU
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Hoist the PRU to an upright
position and tap the crate
downwards to separate the
PRU from the Mounting
Bracket.
Hoist should be connected
to the two D-Rings on the
top of the PRU chassis
Remove the Mounting
Bracket from the crate:
Unscrew two bolts and
remove the Mounting
Bracket from the crate.
ii
Save the Mounting
Bracket for field
installation.
Tap the crate down as you
hoist the PRU chassis up
iii Save the two bolts and
empty shipping crate for
use should the
equipment require
shipment.
CAUTION! The crate used to ship the
Fullband Remote Unit
and the two bolts used to
fasten the Mounting
Bracket to the shipping
crate are not intended for
use for when mounting
the PRU in the field.
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Mounng bracket will sll
be aached to the crate
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Install the Prism Remote Unit
MOUNT THE PRISM REMOTE UNIT
The PRU may be attached to a utility pole, a mast, or on a solid flat surface. Installation consists of securing the
bracket to the mounting surface and then hanging the PRU from the bracket. The bracket may be attached to a
variety of surfaces such as wood, concrete, or steel.
This guide provides the information you need to install and use the FlexWave Prism Remote Mounting Kit.
To ensure a safe installation, follow the steps in this document in the following order:
Gather required tools and supplies as described in "Installation Tools and Supplies” on page 36.
Follow the guidelines in "Mounting Plans” on page 30 to decide the best place to install and mount the PRU.
Familiarize yourself with the "Mounting Cautions” on page 42.
Mounting Cautions
Observe the following cautions when installing the Mounting Bracket and when hanging a PRU on the bracket.
CAUTION! Use appropriate lifting equipment when unpacking, moving or installing the Prism Remote Unit. Do not
stand under the Prism Remote Unit as it is being hoisted into position for installation. A failure of the
lifting equipment could result in serious personal injury.
CAUTION! The pole must be structurally sound and able to support the weight of the unit being installed as listed
in Table 19 on page 31.
CAUTION! The hardware used to package the PRU for shipment is not intended for Prism Remote Unit installations
and should be kept with the Prism Remote Unit packaging. Do not use the shipping hardware when
mounting a Prism Remote Unit.
Mounting Methods
Four installation methods are provided, proceed to the correct procedure for your installation environment:
•
"Steel Pole Installation Using Steel Banding” on page 43
•
"Pole Mount Installation Using Bolts” on page 46
•
"Wood-Framed Wall Mounting Procedure” on page 47
•
"Masonry Wall Mounting” on page 49
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Install the Prism Remote Unit
Steel Pole Installation Using Steel Banding
CAUTION! Always wear safety goggles when working with metal banding and when using tensioning tools.
CAUTION! This section describes how to secure a PRU to a steel pole using steel bands. In high earthquake risk
areas, CommScope advises in addition to banding, bolts should be used redundantly to ensure
mechanical mounting capable of surviving severe seismic activity. Typical areas where this attachment
method are suggested are Earthquake Risk Zone 4, per Bellcore GR-63-CORE, section 4.4.1.1. If you have
application specific questions, consult the Wireless Technical Assistance Center (TAC) for technical
assistance (see "DCCS Global Technical Support” on page 124). For information on bolting, see "Pole
Mount Installation Using Bolts” on page 46.
Stainless-steel bands are used to secure the Mounting Bracket to a metal pole or mast that cannot be pierced with
a screw or bolt. The number of bands to be used is dependent on the configuration of the PRU as described in
Table 20 on page 36.
Refer to "Mounting Cautions” on page 42
before beginning this process.
Locate the Mounting Bracket provided with
the PRU Mounting Kit and obtain the tools
and supplies listed in "Tools Required for All
Mounting Methods” on page 36 and
"Additional Tools and Supplies Required for
Steel-Pole Mounting” on page 36.
CAUTION! The pole must have a
diameter of at least
6 inches.
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Slide a buckle on the band and secure by doubling over under buckle, as shown in the illustration below, or
as instructed in manufacturer's instructions.
Bands should pass through each slot of the Mounting Bracket, from top to bottom, ensuring the band passes
over the top of the pins, as shown below, and again through the buckle.
Wrap the band around pole once more, passing through the slots in the Mounting Bracket and over pins, and
again through buckle. Double banding is critical to generate maximum radial compression of banding to pole
and Mounting Bracket.
Follow specific manufacturer's instructions for tensioning bands to recommended levels.
Roll tool over, bending band over itself at exit from the buckle, as shown above, or as instructed in the
manufacturer's instructions to temporarily secure tensioned band.
Cut band using tensioning tool as instructed in the manufacturer's instructions.
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Clinch band stub in place by hammering down buckle ears, as shown below.
Repeat Step 3 on page 44 through Step 8 for each remaining banding slot of the Mounting Bracket.
10
Hang the PRU from the Mounting Bracket as shown in "Installing a PRU on the Mounting Bracket” on page 51.
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Pole Mount Installation Using Bolts
CAUTION! This section describes how to secure a PRU to a wood pole using bolts. In high earthquake risk areas,
CommScope advises in addition to bolting, banding should be used redundantly to ensure mechanical
mounting capable of surviving severe seismic activity. Typical areas where this attachment method are
suggested are Earthquake Risk Zone 4, per Bellcore GR-63-CORE, section 4.4.1.1. If you have application
specific questions, consult the Wireless Technical Assistance Center (TAC) for technical assistance (see
"DCCS Global Technical Support” on page 124). For information on banding, see "Steel Pole Installation
Using Steel Banding” on page 43.
Refer to "Mounting Cautions” on page 42 before beginning this process.
Locate the Mounting Bracket
provided with the PRU Mounting
Kit and obtain the tools and
supplies listed in "Tools Required
for All Mounting Methods” on
page 36 and "Additional Tools and
Supplies Required for Wood-Pole
Mounting” on page 37.
Pole-mounng
bracket
Establish where the Mounting
Bracket will be mounted on the
pole and then determine the
location of the bracket mounting
bolts on the pole and mark hole
locations on pole.
Drill a 1/2-inch hole (equal to
diameter of through-bolt) into the
utility pole at the points marked
in Step 3.
Secure the bracket to the utility
pole using two through-bolts,
washers, and nuts as shown in the
following illustration, and then
tighten the nuts securely.
Follow the steps in "Installing a
PRU on the Mounting Bracket” on
page 51.
Nuts
and
washers
Nuts
and
washers
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Through-bolts
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Wood-Framed Wall Mounting Procedure
Refer to "Mounting Cautions” on page 42 before beginning this process.
Locate the Mounting Bracket provided with the PRU Mounting Kit.
Obtain the tools and supplies listed in "Tools Required for All Mounting Methods” on page 36 and "Additional
Tools and Supplies Required for Flat-Surface Mounting” on page 37.
Obtain plywood with a minimum thickness of 0.75-inches (19.0 cm) to be used as a backer board.
CAUTION! If the PRU is installed in an area in which there may be moisture, use pressure-treated plywood.
Cut the pressure-treated plywood to the correct size to accommodate the PRU being installed (see
dimensions in Table 19 on page 31).
To avoid a hazardous condition, firmly secure the backer board to the interior framing of the wall.
Hold the Mounting Bracket up to the wall and mark the location of the Mounting Bracket’s two mounting
holes on the plywood backer:
3/4-inch Plywood
Backer Board
(secure to wall studs)
Mark the locaon
of the two mounng
holes
Mounng
Bracket
Drill 9/16-inch holes in the plywood backer at the hole positions marked in Step 7.
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Refer to the following figure and do the following:
From the side of the backer that will face the wall, drive a 1/2-inch Tee Nut into each drilled hole.
Mount the plywood backer on the wall and firmly secure it to the wall’s interior studs.
Locate the two 1/2 x 1-inch hex bolts and place a 1/2-inch lock washer and 1/2–inch flat washer on each
bolt and then secure the Mounting Bracket to the plywood backer using the assembled bolts and washers.
CAUTION! If plywood backer board or supporting wall is not smooth or does not provide a flat mounting plane for
the PRU, add 1/2-inch flat washers between the Mounting Bracket and the mounting surface as
required to prevent the PRU from twisting or distorting when secured to the mounting surface.
3/4-inch Plywood
backer board
(secure to wall studs)
1/2-inch Lock
washer
Tee Nut
1/2 x 1-1/2-inch
Hex bolt
1/2-inch Flat
washer
1/2-inch Lock
washer
Prism Remote Unit
Mounng Bracket
1/2 x 1-1/2-inch
Hex bolt
1/2-inch Flat
washer
10
Hang the PRU from the Mounting Bracket as shown in "Installing a PRU on the Mounting Bracket” on page 51.
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Masonry Wall Mounting
Refer to "Mounting Cautions” on page 42 before beginning this process.
Locate the Mounting Bracket provided with the PRU Mounting Kit.
Obtain the tools and supplies listed in "Tools Required for All Mounting Methods” on page 36 and "Additional
Tools and Supplies Required for Flat-Surface Mounting” on page 37.
Verify that concrete anchors to be used are designed for 1/2-inch bolts.
Hold the Mounting Bracket in position on the wall.
Using a pencil, mark the location of each of the Mounting Bracket’s two mounting holes on the wall. When
mounting the PRU on a masonry surface, locate the mounting anchors as close as possible to the center of any
bricks or blocks, especially the upper anchors.
Maso
Prism Remote Unit
Mounng Bracket
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nry W
all
Mark the locaon of the
two mounng holes
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Refer to anchor manufacturer's technical data to ensure proper drill diameter to be used, and then drill holes
in the wall at the locations marked in Step 6.
Refer to the following figure and do the following:
Set the anchors in the wall.
Locate the two 1/2 x 1-1/2-inch mounting bolts and place a 1/2-inch lock washer and 1/2-inch flat
washer on each bolt.
Place the Mounting Bracket over the two anchors. Thread a 1/2 x 1-1/2-inch mounting bolt (with
installed washers) into each one of the anchors. Tighten bolts until secure.
Mas
onry
Wall
1/2-inch flat washer
1/2-inch Lock washer
1/2 x 1-1/2-inch Hex bolt
1/2-inch flat washer
Mounng bracket
1/2-inch Concrete
anchors
1/2-inch Lock washer
1/2 x 1-1/2-inch Hex bolt
Hang the PRU from the Mounting Bracket as shown in "Installing a PRU on the Mounting Bracket” on page 51.
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Installing a PRU on the Mounting Bracket
The basic procedure to hang a PRU on a Mounting Bracket is the same. The illustrations in this procedure,
however, show a pole-mount installation.
Refer to "Mounting Cautions” on page 42 before beginning this process.
Use the D-Rings on the top of the PRU to hoist the PRU into position for attachment to the Mounting Bracket.
CAUTION! To avoid damage to the PRU and to avoid personal injury, use appropriate lifting equipment.
Mate the mounting hooks on the back of the PRU with the 8 horizontal hanging-bracket pins on the Mounting
Bracket as shown below.
Lower the PRU until the Mounting Cap on the top of the PRU is snug against the top of the Mounting Bracket.
Mounng Cap
D-Rings
Mounng
hooks (8)
Hanging-Bracket
Pins (8)
Use the flat-blade screwdriver to secure the two captive fasteners on the bottom of the PRU to the Mounting
Bracket.
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GROUND THE PRU CHASSIS
CAUTION! Avoid sharp bends in the ground wire.
CAUTION! For proper and safe equipment operation, use a #6 copper wire terminated with the provided ring
terminal to link the PRU to an earth-ground source.
Ensure that the AC/DC Power switch to the PRU chassis and the DC power switch to all RF Module bays are
in their OFF position.
DC Power switch for Bay D
DC Power switch for Bay C
DC Power switch for Bay B
AC/DC Power switch
for PRU chassis
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DC Power switch for Bay A
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Locate a #6 AWG (4 mm) copper grounding wire long enough to reach an approved earth ground.
Use a socket wrench with a 3/8-inch deep socket to remove the two 10-32 Keps Nuts from the Dual-Ground
connector on the bottom of the PRU.
Secure the ring terminal end of the grounding wire to the ground studs on the unit using the two 10-32 Keps
Nuts removed in Step 3, and then torque the nuts to 18 in-lbs ± 1 in-lb.
Route the free end of the grounding wire to an approved earth ground source.
Cut the ground wire to length and connect it to the earth ground source as specified by local code or practice.
DC-Powered PRU
AC-Powered PRU
Dual-Ground
connector
10-32
Keps Nuts
Gro
und
wire
Dual-Ground
connector
10-32
Keps Nuts
To Earth Ground
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Gro
und
wire
To Earth Ground
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CONNECT A NETWORK CABLE TO THE PRU CHASSIS
The PRU provides a Network port that allows communications with the internal processor and access to the Host
LAN network. That is, this provides a LAN extension to the Host network. The Network port is 10/100/1000
BASE-T/TX (802.3ab compliant) MDI and requires a minimum of CAT 5 cable.
NOTE:
Although the interface might provide GigE, only 100 Mbps is provided for bandwidth between the Host
and Remote.
The network cable must be
terminated with a hardened
RJ-45 male connector for
connection to the Network
port, as shown in the graphic
to the right. The maximum
cable length is 300 feet (91.4
m).
Network cable terminated with a hardened RJ-45 male connector
Use the following procedure to install the Network cable:
Remove the dust cap from the RJ-45 connector located at the bottom of the PRU.
RJ-45 Network
connector
RJ-45 Network
connector
Dust
cap
Dust
cap
AC-Powered PRU
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DC-Powered PRU
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Route the network cable from the network connection to the underside of the PRU.
Align the plug end of the RJ-45 cable connector with the RJ-45 port receptacle and then insert the cable plug
into the port receptacle.
AC-Powered PRU
DC-Powered PRU
Slide the connector nut up to the port until it engages the connector locking mechanism.
Tighten the connector nut in a clockwise direction (if necessary, use a wrench to grip the connector nut) until
it snaps past the indented position and locks into place. It may be necessary to apply 30 to 50 in-lbs (3.4 to
5.6 Nm) of torque to the connector nut to turn it past the indented position.
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CONNECT FIBER CABLE TO THE PRU CHASSIS
There are three fiber connector options for the Prism Remote Unit; follow the fiber cable installation process that
is appropriate for the configuration of the PRU that you are installing:
•
"Option A: Hardened Multi-Fiber Optic Connector” on page 56
•
"Option B: Fiber Pass-Through Connector” on page 62
•
"Option C: ProAx Connector (Legacy AC-Powered PRUs)” on page 67.
Option A: Hardened Multi-Fiber Optic Connector
NOTE:
Use the following procedure to install the fiber cables using a Hardened Multi-Fiber Optic Connector. If
the PRU that you are installing has a Fiber Pass-Through Connector, follow the procedure in "Option B:
Fiber Pass-Through Connector” on page 62. If the PRU that you are installing has a legacy ProAx
Connector, follow the procedure in "Option C: ProAx Connector (Legacy AC-Powered PRUs)” on page 67.
PRUs now have a Hardened Multi-Fiber Optic Connector (HMFOC), as shown in the picture below.
All PRUs with the HMFOC configuration require the purchase of a Multi-Fiber Optic Cable, such as the one shown
below, which allows the PRU to interface with the OSP fiber.
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Table 21 identifies how the fibers in the Multi-Fiber Optic Cable correlate to the SeRF SFPs, which come pre-wired
from the factory.
Table 21. Multi-Fiber Optic Cable Color Codes
NOTE:
Fiber Connector #
Color
SeRF SFP Connector
Fiber Connector #
Color
SeRF SFP Connector
Blue
1 TX
Blue
5 TX
Orange
1 RX
Orange
5 RX
Green
2 TX
Green
6 TX
Brown
2 RX
Brown
6 RX
Gray
3 TX
Gray
7 TX
White
3 RX
White
7 RX
Red
4 TX
Red
8 TX
Black
4 RX
Black
8 RX
Each SFP utilizes a single fiber optic pair. Each SFP can support up to 12 timeslots with up to 75 MHz of
bandwidth. Each fiber connector on the PRU contains 4 fiber pairs, supporting the use of 4 SFPs. If
additional SFPs are necessary, use the second fiber connector (FIBER 2).
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Figure 13 illustrates how the Multi-Fiber Optic Cables used with HMFOC connectors run between the Fiber 1 and
Fiber 2 connectors and the SFPs.
Fiber 1 assembly
Fiber 2 assembly
Fiber-opc cable runs
between the Fiber 1 and Fiber 2
Connectors and the SFPs
Fiber 1 and Fiber 2 cable
Fiber 1 and Fiber 2 Connectors
(boom of PRU)
Fiber 1 Connector
(boom of PRU)
Figure 13. Multi-Fiber Optic Cabling
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Figure 14 shows the cabling requirements for Single- and Dual-WDM units.
1 RX - Orange
1 TX - Blue
Single-WDM HMFOC Units
WDM 1 Connector 1
1 RX - Orange
2 RX - Brown
WDM 2 Connector 1
1 TX - Blue
2 TX - Green
Dual-WDM HMFOC Units
Figure 14. Multi-Fiber Optic Cabling for Single- and Dual- WDM Units
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Use the following procedure to install the fiber cables using the HMFOC.
CAUTION! To avoid the risk of equipment damage, ensure that the AC/DC Power switch to the Remote
Unit chassis and the DC power switch to all RF Module bays are in their OFF position before
connecting or disconnecting coaxial cables; otherwise equipment damage may occur.
Use a 7/16” wrench or socket to remove the dust-cover cap from the Fiber 1 connector, located at the bottom
of the PRU. You need to turn the cap counter-clockwise for several turns.
NOTE:
Do not remove the dust cover from the Fiber 2 connector until directed to do so.
Fiber 1
Fiber 2
AC or DC PRU
(The Fiber 1 and Fiber 2 connectors are in the same
locaon for both the AC- and DC-powered PRUs.)
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Rotate the coupling nut of the
Multi-Fiber Optic cable
counter-clockwise to remove its
dust-cover cap, as shown in the
graphic to the right.
Clean the Multi-Fiber Optic cable
connector using industry approved
cleaning procedures.
Clean the Fiber 1 port using industry approved cleaning procedure.
Insert the Multi-Fiber
Optic cable into the FIBER
1 connector; refer to the
introductory material for
this section for
information on cabling
requirements.
Coupling nut
Align the plug end of
the cable with the key
as indicated on the
overlay for the FIBER
1 connector, as shown
to the right.
Mul
-fib
er o
pc
cabl
Use a 9/16” wrench to
rotate the coupling
nut clockwise; tighten
to 2-4 in-lbs.
Route the Multi-Fiber
Optic cable from the
underside of the PRU to
the OSP box.
Secure fiber cable in place
following local practices.
If necessary, complete
Step 1 through Step 7 to
add a second Multi-Fiber
Optic cable to the FIBER 2
connector.
Continue to "Connect the
Antenna Cable” on
page 71.
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AC or DC PRU
(The Fiber 1 and Fiber 2 connectors are in the same
locaon for both the AC- and DC-powered PRUs.)
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Option B: Fiber Pass-Through Connector
NOTE:
NOTE:
Use the following procedure to install the fiber cables using a Fiber Pass-Through Connector.
•
If the PRU that you are installing has a Hardened Multi-Fiber Optic Connector, follow the procedure
in "Option A: Hardened Multi-Fiber Optic Connector” on page 56
•
If the PRU that you are installing has a legacy ProAx Connector, follow the procedure in "Option C:
ProAx Connector (Legacy AC-Powered PRUs)” on page 67.
The graphic shown in this procedure depict an AC-powered PRU. However, the Fiber 1 and Fiber 2
connectors on a DC-powered PRU are in the same location and use the same procedure as the
AC-powered PRU to install fiber cables using a Fiber Pass-Through Connector.
Use the following procedure to install the fiber cables using the ProAx connector:
CAUTION! To avoid the risk of equipment damage, ensure that the AC/DC Power switch to the Remote
Unit chassis and the DC power switch to all RF Module bays are in their OFF position before
connecting or disconnecting coaxial cables; otherwise equipment damage may occur.
Obtain an environmentally hardened fiber cable terminated with LC connectors. The outside diameter of the
cable jacket must be between .035 and .63 inches.
Complete the installation steps in "Unpack and Inspect the Prism Remote Unit and Components” on page 39
through "Connect a Network Cable to the PRU Chassis” on page 54.
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Remove connector plug only from the Fiber 1 connector, unless multiple fiber cables are needed.
NOTE:
Do not remove the dust cover from the Fiber 2 connector until directed to do so.
Connector
plugs
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Insert the Fiber Optic cable, terminated with LC connectors, through the Fiber 1 Connector.
FIBER 2
FIBER 1
Fiber 1 and Fiber 2 are
Fiber Pass-Through
Connectors
AC or DC PRU
(The Fiber 1 and Fiber 2 connectors are in the same
locaon for both the AC- and DC-powered PRUs.)
Clean all LC connectors following industry approved procedure.
Refer to one of the following graphics to connect the LC connectors to the SFP:
•
for standard configurations, see Figure 15 on page 65
•
for WDM Pass-Through configurations, see Figure 16 on page 65.
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LC connectors
plug into the SFP
Figure 15. Connect LC Connector to SFP—Standard Configuration
Connect a single
LC connector to the
WDM adapter
WDM bracket and adapter
Figure 16. Connect LC Connector to SFP—WDM Pass-Through Configuration
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Attach the strength member from the Fiber Optic cable to the Strain-Relief lug on the inside bottom of the
PRU.
Strain-relief lug
Tighten the external dome nut of the Pass-Through Connector around the Fiber Optic cable—torque the
dome nut to 44 in-lbs plus or minus 4 in-lbs.
Route the fiber cable from the underside of the PRU to the OSP box.
10
Follow local practices to secure the fiber cable in place.
11
(Optional) One SFP supports up to 12 timeslots with 75 MHz of bandwidth. If a second fiber cable assembly
is required (for example, your Prism system has three SFPs to handle up to 280 MHz of RF bandwidth),
complete Step 3 on page 63 through Step 10 on page 66 to add the second fiber cable assembly, only this time,
connect to the Fiber 2 connector located at the bottom of the PRU as shown in Step 4 on page 64.
12
Return to the main installation process and continue at "Connect the Antenna Cable” on page 71.
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Option C: ProAx Connector (Legacy AC-Powered PRUs)
NOTE:
Use the following procedure to install the fiber cables using a legacy ProAx Connector.
•
If the PRU that you are installing has a Hardened Multi-Fiber Optic Connector, follow the procedure
in "Option A: Hardened Multi-Fiber Optic Connector” on page 56
•
If the PRU that you are installing has a Fiber Pass-Through Connector, follow the procedure in
"Option B: Fiber Pass-Through Connector” on page 62.
NOTE:
The ProAx Connector will become obsolete effective 31 May 2013, and will not be used in PRUs
manufactured after 31 May 2013.
NOTE:
DC-powered PRUs do not have a ProAx connector option.
A PRU with the ProAx Connector configuration requires the purchase of a ProAx cable assembly for the Prism to
interface with the OSP fiber. The fiber cable connector is a BX.5 four-port fiber connector, as shown in the
following picture:
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Use the following procedure to install the fiber cables using the ProAx connector:
CAUTION! To avoid the risk of equipment damage, ensure that the AC/DC Power switch to the
Remote Unit chassis and the DC power switch to all RF Module bays are in their OFF
position before connecting or disconnecting coaxial cables; otherwise equipment damage
may occur.
Remove ProAx connector dust cover located at the bottom of the PRU.
Fiber 1
Fiber 2
Boom of Quad-Bay PRU with ProAx Connectors
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Remove the dust cap from the fiber cable BX5 connector (FIBER 1).
Clean all fiber connectors following industry approved procedure.
Align the plug end of the BX5 cable connector with the BX5 port receptacle and then insert the cable plug into
the port receptacle as shown below, and then slide the strain relief boot over the connector.
Shaded area is the
Alignment Key for
the BX5 cable
connector
Fiber 1 is a
ProAx connector
that comprises
4 BX5 connectors
BX5 Cable connector
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Route the fiber cable from the underside of the PRU to the OSP box. Observe the fiber numbers and their
positions in the quad cable connector as shown below. The fibers at the other end of the fiber cable are
numbered with the same numbering scheme.
SFP1
FWD
Fiber 1
REV
Fiber 2
SFP1
SFP2
REV
Fiber 4
FWD
Fiber 3
SFP2
SFP3
FWD
Fiber 1
REV
Fiber 2
SFP3
SFP4
REV
Fiber 4
FWD
Fiber 3
SFP4
Secure fiber cable in place following local practices.
One SFP equals 12 timeslots with 75 MHz of bandwidth. If a second fiber cable assembly is required (for
example, your Prism system has three SFPs to handle up to 280 MHz of RF bandwidth), complete Step 1
through Step 6 to add the second fiber cable assembly, only this time, connect to the Fiber 2 ProAx connector
located at the bottom of the PRU as shown in Step 1.
Return to the main installation process and continue at "Connect the Antenna Cable” on page 71.
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CONNECT THE ANTENNA CABLE
Coaxial antenna cables must be routed from the antenna to the PRU. The cables must be terminated with an
N-Type male connector for connection to the PRU antenna port or the lightning surge suppressor (accessory,
required anytime the antenna is mounted in an area in which the antenna is susceptible to a lightning strike).
CAUTION! The antenna(s) used for this transmitter must be fixed-mounted on (outdoor/indoor) permanent
structures. RF exposure compliance is addressed at the time of licensing, as required by the responsible
FCC Bureau(s), including antenna co-location requirements of 47 CFR. 1.307(b)(3).
Use the following procedure to install the antenna cable(s). This procedure requires that you connect cable to one
Antenna connector at a time.
Refer to "Understanding RF Cable Rules” on page 26 to understand the relationship between antenna
numbers and Remote RF modules; this information makes sure you connect the Antenna connectors
correctly.
CAUTION! To avoid the risk of equipment damage, ensure that the AC/DC Power switch to the Remote
Unit chassis and the DC power switch to all RF Module bays are in their OFF position before
connecting or disconnecting coaxial cables; otherwise equipment damage may occur.
Remove the dust cap from an N-type female Antenna connector located on the underside of the unit, as shown
below. If you need to install cables to more than one Antenna connector, start in the rear and work forward,
applying the correct torque as you make each connection. Working from the rear port out provides you with
the space you need to apply the correct torque.
N-type female
Antenna port
for Module A
Lightning
Surge Suppressor
(ships with RF Module)
Surge port
connector
Antenna
cable
Boom View of PRU
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Connect a lightning surge suppressor to the antenna port; torque to 8 ±1 in-lbs to ensure full connection.
NOTE:
The lightning surge suppressor is included in the RF Module’s shipping container. Lightning surge
suppressor(s) are required anytime the antenna is mounted in an area in which the antenna is
susceptible to a lightning strike.
If the PRU has a Dual 20W SMR800 / PCS1900 RF Module (FWP-441T841MOD), you must install a FlexWave
Notch Filter (FWP-SPRINTFILTER) between the PRU and the antenna to provide protection from spurious
emissions in the Public Safety band below 861.35 MHz and the Cellular band above 869.5 MHz. For
information on how to install a Notch Filter, go to "FlexWave Notch Filter (FWP-SPRINTFILTER)” on page 114.
Ensure that the chassis ground wire is installed correctly (see "Ground the PRU Chassis” on page 52). For
maximum protection, the system ground wire must be attached to a low impedance ground system.
Route the coaxial antenna cable from the antenna to the underside of the PRU.
Cut the antenna cable to the required length and terminate with an N-type male connector.
Connect the antenna cable to the lightning surge suppressor or to the antenna port; apply 15 in-lbs (1.7 Nm)
of torque.
CAUTION! The antenna cable connections must be weather proofed (sealed) for outdoor installations.
Repeat the Step 2 through Step 8 for the remaining antenna cables.
DETERMINE THE CIRCUIT BREAKER OR FUSE FOR THE PRU
Use the information in this section to determine the circuit breaker or fuse that should be installed in the AC
circuit breaker box or the DC Power Source Distribution Panel:
•
An AC-powered PRU supports power input from a 90 to 240 Vac power supply.
•
A DC-powered PRU supports power input from a -40 to -60 Vdc power supply.
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Power Consumption
Calculate the maximum power consumption, which determines the circuit breaker or fuse to use.
Review the PRU order to determine the number of DARTs, number of power supplies, and the number of
SFPs. Use this information to find the power consumption from Table 22 and Table 23 on page 75.
Enter the power consumption in the spaces provided below.
Add the Watts and enter the total in the Total Power Consumption field.
SeRF Module power consumption from Table 22
_________Watts
Additional SFPs _____ x 1.25W
_________Watts
RF Module power consumption from Table 23 on page 75
_________Watts
Total Power Consumption
_________Watts
Divide the total Watts by the input Voltage to determine the current (Amperes) requirements:
Total Watts / Input Voltage = Amps
Determine the circuit breaker or fuse size based on local codes and practices.
CAUTION! Circuit breaker or fuse size must be 20 Amps or less to protect the internal wiring of the PRU.
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Power Consumption Tables
The PRU power supplies are > 80% efficient, both AC and DC versions. The data in Table 22 and Table 23 on
page 75 and the power-supply efficiencies can be used to estimate the input current for a given PRU
configuration. Use the following equation to calculate the input current draw:
Input Current = (Total Power Consumption / 0.80) / Input Voltage
For example, for a PRU with 1 SeRF Module, 1 SFP (36W Typical, 38W Max), and a single 20W 850/1900 HDM RF
Module (250W Typical, 330 W Max), then the Total Power Consumption would be 286W (Typical) and 368W
(Max). Therefore, for a 110VAC input, the current estimate would be 3.25 amps (Typical) and 4.18 amps (Max).
Table 22. SeRF Module Power Consumption
Power Consumption per Module
SeRF Module
SeRF Module (1 SFP) [add 1.25W for each SFP added]
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Nominal (W) @ 25C
Maximum (W)
36
38
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Table 23. Power Consumption by RF Module
Power Consumption Per Module
Prism RF Module Description
Nominal (W) @ 25C Maximum (W)
Single or Dual
SuperDART RF
Module
20W 1900 PCS, 20W 2100AWS, 700 LTE
Non-Diversity
299
368
40W 700 LTE
Non-Diversity
299
368
40W 1900 PCS, 40W 2100 AWS (Dual AMPs)
Non-Diversity
568
706
Non-Diversity
299
337
Diversity
321
359
Non-Diversity
299
337
Diversity
321
359
Non-Diversity
299
337
Diversity
321
372
40W 850 Cell SISO HDM
SISO - Non-Diversity
249
315
40W 1900 PCS SISO HDM
SISO - Non-Diversity
249
315
40W 2100 AWS SISO HDM
SISO - Non-Diversity
249
315
20W 700 MIMO LTE HDM (LABC or uC)
MIMO - Non-Diversity
250
330
20W 1900 PCS MIMO HDM
MIMO - Non-Diversity
250
330
20W 2100 AWS MIMO HDM
MIMO - Non-Diversity
250
330
20W 2100 AWS-3 MIMO
MIMO - Non-Diversity
250
330
20W 1900 PCS MIMO HDM
MIMO - Non-Diversity
250
330
20W 800 SMR MIMO HDM
MIMO - Non-Diversity
250
330
20W 850 Cell MIMO HDM
MIMO - Non-Diversity
250
330
20W 850/1900 HDM
Dual HDM - Non-Diversity
250
330
20W 700 LABC/700 uC Dual HDM
Dual HDM - Non-Diversity
250
330
20W 800/1900 HDM
Dual HDM - Non-Diversity
250
330
20W 1900/2100 HDM
Dual HDM - Non-Diversity
250
330
20W 2500 TDD Low HDM
MIMO - Non-Diversity
250
330
20W 2500 TDD High HDM
SISO - Non-Diversity
175
230
Non-Diversity
292
358
Diversity
314
381
6.5W 800/900 ESMR
Non-Diversity
195
196
40W 850 Cell
Non-Diversity
299
368
Non-Diversity
271
327
Diversity
293
350
10W GSM900 (Includes EGSM, PGSM, APAC, GSM)
15.8W GSM1800
15.8W 2100UMTS
HDM RF Modules
20W 1900 PCS or 2100 20W AWS
Classic DART RF
Module
20W 850 CELL
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CONNECT THE POWER WIRING
The PRU supports both AC and DC power. Follow the steps appropriate to your system configuration:
•
"Option 1: Connect the AC Power Wiring” on page 76
•
"Option 2: Connect the DC Power Wiring” on page 79.
Option 1: Connect the AC Power Wiring
A 15-foot, 3-wire cable with connectors is provided for the AC power connections. The connector end of the cable
connects to the AC power port located on the bottom of the unit. The stub end of the cable must be routed to an
external junction box (not provided) for permanent connection to the AC power system wiring. If the cable must
be terminated with a plug to connect to the AC adapter, the plug must be provided by the installer.
The AC power source must supply between 100 and 240 Vac, 50 or 60 Hz, single-phase power through a circuit
breaker or fuse. The AC power cable provides three wire leads for line, neutral, and ground connections. The
power cable is rated for indoor or outdoor use and must not be placed within electrical conduit as this will
impede the cooling of the cable during usage. The electrical junction box and any conduit, wire, and fittings
required must be provided by the installer.
CAUTION! Use extreme caution when working with high voltage AC power. Ensure all power is disconnected
before working on power circuits.
NOTE:
All electrical work must comply with local codes and requirements. A locally licensed electrical
contractor is best qualified to perform this work. For additional information, consult with the
CommScope Technical Support for Wireless Products team (see "DCCS Global Technical Support” on
page 124).
Use the following procedure to install the AC power wiring:
Use the information in "Determine the Circuit Breaker or Fuse for the
PRU” on page 72 to ensure that the correct circuit breaker or fuse
required for this installation is installed in the circuit breaker panel.
Locate the AC power cable that is provided separately with the PRU.
Route the power cable between the AC power port, located on the
underside of the PRU and the nearest AC power junction box as shown
in the graphic to the right. It may be necessary to install a new junction
box if an existing junction box is not available.
Secure the cable between the AC power port and the AC power junction
box per local practice. Leave sufficient slack in the cable to allow it to be
easily connected and disconnected from the AC power port.
NOTE:
The power cable is rated for indoor or outdoor use and must not
be placed within electrical conduit as this will impede the cooling
of the cable during usage. The cable run distance to the AC power
source must not exceed 100 feet.
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Remote enclosure
AC power cable
AC power juncon box
AC power wires routed
to circuit breaker panel
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Install any AC power supply wires that may be required between the AC junction box and the AC circuit
breaker box.
NOTE:
It is recommended that an AC outlet be installed near the PRU for powering tools and test equipment.
This outlet must include a GFCI device for protection.
NOTE:
An appropriate disconnect device, as well as branch circuit protection, must be provided as part of the
installation.
Connect the AC power cable
wires to the AC power supply
wires. Refer to the graphic to
the right to identify the color
code and wire designations;
use the alignment key to
ensure that the cable
correctly aligns with the
connector. If the cable is not
aligned correctly with the
connector, connector pins
may be damaged.
At the AC box, connect the AC
power supply load wires to a
circuit breaker or fuse.
Female-End View
2 Green
1 White
3 Black
Alignment key
M16 C
onnec
tor
CAUTION! For proper and safe
equipment operation,
an approved earth ground connection must be provided and maintained.
Connect the ground wire to an approved earth ground.
Place the circuit breaker in the ON position and then test the connector end of the AC power cable for proper
voltage levels and correct polarity.
10
When testing is complete, place the circuit breaker in the OFF position.
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Install the Prism Remote Unit
11
Remove the dust cap from the AC power port located on the bottom of the PRU as shown below.
CAUTION! While trying to connect the AC power cable to the PRU AC power port, it is possible for the line terminal
on the cable connector to contact the ground pin on the power port. If the AC cable is energized, this
will result in a direct short to ground for the AC power. To avoid possible personal injury and equipment
damage, always turn the AC power off before connecting the AC power cable to the AC power port.
12
Connect the power cable connector to the AC power port; use the alignment key to ensure that the cable
correctly aligns with the connector. If the cable is not aligned correctly with the connector, connector pins
may be damaged.
13
Tighten the coupling nut on the power connector.
Coupling nut
Power cable
Boom of PRU
14
Do one of the following:
•
If you need to install an RF Module, go to "Install the RF Module(s)” on page 84.
•
If the RF Modules required for this installation are already installed in the PRU, go to "Power on the RF
Module(s) and the Prism Remote Unit” on page 110.
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© May 2017 CommScope, Inc.
Install the Prism Remote Unit
Option 2: Connect the DC Power Wiring
NOTE:
All electrical work must comply with local codes and requirements. A locally licensed electrical
contractor is best qualified to perform this work. For additional information, consult with the
CommScope Technical Support for Wireless Products team (see "DCCS Global Technical Support” on
page 124).
Use the information in "Determine the Circuit Breaker or Fuse for the PRU” on page 72 to ensure that the
correct circuit breaker or fuse required for this installation is installed in the DC Power Source Distribution
Panel.
Obtain a DC power cable that meets the following requirements:
•
The DC power cable can be 8 AWG or 6 AWG, 3- or 4-conductor power cable rated for outdoor use.
•
The wire colors must be green, red, and black.
•
The cable diameter must be .71 to .98 inches.
•
If a 4-conductor power cable is used, the extra conductor can be snipped off before installation.
•
If using 6 AWG wire, the installer must provide and use #10 stud size, 6 AWG ring terminals.
Remove the cable-gland plug from the bottom of the PRU chassis:
Cable-gland plug
FWPP-504-02
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FlexWave® Prism Remote Unit and RF Module Installation Guide
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Install the Prism Remote Unit
Disconnect the ring terminals from
the power-terminal block, as
shown in the graphic to the right.
(+) )
ve
Posi gave ( und
Ne th gro
Ear
Connect the DC power cable to the PRU.
+) )
e(
(v
si ave und
P eg
gro
rth
Step 4d
Steps 4b and 4c
Step 4a
Route the end of the DC power cable with the three conductors through the open cable-gland connector
on the bottom of the PRU.
Crimp the three conductors to the power ring terminals. The terminal block is labeled as to where each
wire should be connected, as described below.
•
In a typical -48 Vdc plant, the highest potential is the 0 (ground or return) lead; you therefore:
– connect the 0 (ground or return) lead to the positive (+) connector (red wire)
– connect the -48 Vdc lead to the negative (-) connector (black wire)
– connect the third wire, if provided, to the Earth Ground terminal.
•
In a +48 Vdc plant, the highest potential is the +48 lead; you therefore:
– connect the +48 lead to the positive (+) connector (red wire)
– connect the 0 potential (ground or return) to the negative (-) connector (black wire)
– connect the third wire, if provided, to the Earth Ground terminal.
Use a Phillips screwdriver to torque the ring terminals to 18 in-lbs.
Use a 42 MM wrench to torque the large nut outside the cable gland to 44 in-lbs.
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Install the Prism Remote Unit
Connect the wires to the designated terminals on the DC Power Source Distribution Panel. The following
connections are typically made:
•
•
–
connect the 0 (ground or return) lead to the positive (+) connector (red wire)
–
connect the -48 Vdc lead to the negative (-) connector (black wire)
–
connect the third wire, if provided, to the Earth Ground terminal.
In a +48 Vdc plant, the highest potential is the +48 lead; you therefore:
–
connect the +48 lead to the positive (+) connector (red wire)
–
connect the 0 potential (ground or return) to the negative (-) connector (black wire)
–
connect the third wire, if provided, to the Earth Ground terminal.
Dress and secure the wires to the rack following local practice. Route wiring away from sharp edges and
secure in place to prevent chaffing and provide strain relief.
NOTE:
In a typical -48 Vdc plant, the highest potential is the 0 (ground or return) lead; you therefore:
Route all DC input wiring away from any sharp edges and properly secure it in place to prevent chafing
and to provide strain relief. Lace the wires to the rack frame.
Do one of the following:
•
If you need to install an RF Module, go to "Install the RF Module(s)” on page 84.
•
If the RF Modules required for this installation are already installed in the PRU, go to "Power on the RF
Module(s) and the Prism Remote Unit” on page 110.
FWPP-504-02
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Install the Prism Remote Unit
(OPTIONAL) CONNECT THE PRISM REMOTE UNIT TO A UPS
The four-pin AUX Connector on the bottom of the PRU allows the PRU to be connected to an external device with
dry contact connections, such as an Uninterrupted Power Supply (UPS). The AUX Connector pins are shown in
Figure 17.
NOTE:
The Normally Open (NO) or Normally Closed (NC) options are configurable in the GUI; see the “Manage
Contact Alarms” section of the current EMS System Setup and Provisioning Guide.
Pin #
Contact
NO/NC
CO
NO/NC
CO
Color
Brown
White
Blue
Black
Alarm Input
Major External Alarm Input
Minor External Alarm Input
AUX Connector
Boom of PRU
Figure 17. AUX Connector Pin Orientation
NOTE:
The Major/Minor setting of the AUX Connector pins cannot be configured in the Prism 6.x EMS GUI. In
Prism 7.x, you can configure the Contact Alarm as Major or Minor (Alarms > Manage Contact Alarms).
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Install the Prism Remote Unit
A 4-Wire M8 picofast® 6- or 10-meter 26 AWG cable is used to connect the PRU to the external device, as shown
in Figure 18.
Connect to
PRU AUX Connector
Connect 4 wires to UPS
Strip cable
0.2 inches (5 mm)
Figure 18. 4-Wire picofast 26 AWG Cable
Do the following to connect a UPS to the AUX Connector on the bottom of the PRU:
Obtain the required length of 6- or 10-meter picofast cable.
Orient the coupling fastener on the cable (Figure 18) with the AUX Connector pins (Figure 17), and then
fasten the cable to the AUX Connector.
Route the cable from the PRU AUX Connector to the UPS (if not already routed) and then cut to the required
length. Allow sufficient slack for dressing and organizing the cable at the external device.
Strip back the outer cable sheath and insulation to expose the wires at the end of the cable and strip back 0.2
inches (5 mm) of insulation from each wire.
Connect the alarm wire pairs to the appropriate terminals on the external device.
Dress and secure cable per standard industry practice.
NOTE:
If necessary, order a Prism AUX 4-wire cable assembly, CommScope part number 1451903.
FWPP-504-02
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FlexWave® Prism Remote Unit and RF Module Installation Guide
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