FLEXWAVE® PRISM REMOTE UNIT AND RF MODULE INSTALLATION GUIDE FWPP-504-01 Single-Bay Prism Remote Unit · ISSUE 1 · MARCH 2016 Dual-Bay Tri-Bay Prism Remote Unit Prism Remote Unit Single-Slot RF Module Quad-Bay Prism Remote Unit HDM RF Module
DISCLAIMER This document has been developed by CommScope, and is intended for the use of its customers and customer support personnel. The information in this document is subject to change without notice. While every effort has been made to eliminate errors, CommScope disclaims liability for any difficulties arising from the interpretation of the information contained herein.
TABLE OF CONTENTS Document Overview ....................................................................................................................................................................... 1 Document Cautions and Notes........................................................................................................................................................... 3 Abbreviations Used in this Guide ........................................................................................
Table of Contents Steel Pole Installation Using Steel Banding ........................................................................................................................ 43 Pole Mount Installation Using Bolts ................................................................................................................................... 46 Wood-Framed Wall Mounting Procedure .......................................................................................................................
Table of Contents Fan Module Maintenance ............................................................................................................................................................112 Annual Fan Checkup ....................................................................................................................................................................... 112 Potential Fan Alarms....................................................................................................
Table of Contents FlexWave Prism Remote Unit and HDM RF Module Installation Guide Page vi 320000117795 Rev A • FWPP-501-01 Issue 1 © March 2016 CommScope, Inc.
DOCUMENT OVERVIEW This document provides the information you need to install a CommScope FlexWave® Prism Remote Unit (PRU). Installation instructions are also provided for the following Prism Remote Unit RF Modules that reside in a PRU: • Single-Bay RF Modules, which includes the HDM and TDD RF Modules • Dual-Bay RF Modules, which includes the Dual-Band RF Modules and Legacy 40W RF Modules. NOTE: RF Modules can be ordered separately or may come pre-installed in a Prism Remote Unit.
Document Overview Table 3. Supported Single SuperDART, Single Bay RF Modules Catalog Number Description FWP-I210000MOD 6.
Document Overview Table 7. Supported Classic DART, Two Bay RF Modules Catalog Number Description FWP-8810000MOD 40W PCS, Non-Diversity FWP-A810000MOD 40W AWS, Non-Diversity Table 8. Supported Dual Classic DART, Two Bay RF Modules Catalog Number Description FWP-D210000MOD 6.
Document Overview ABBREVIATIONS USED IN THIS GUIDE AC Alternating Current M Meter AMP Amperes Mbps Megabits Per Second AUX Auxiliary MDI Medium Dependent Interface AWG American Wire Gauge MHz Megahertz C Centigrade MIMO Multiple-Input Multiple-Output CAT Category MM Millimeter CDRH Center for Diseases and Radiological Health MOD Module cm Centimeter MPE Maximum Permissible Exposure DART Digital/Analog Radio Transceiver NC Normally Closed dB Decibel NO Normally Open d
Overview of Prism Remote Units O V ER V I E W OF PRISM REMOTE UNITS FlexWave PRUs control RF emissions, interface with the FlexWave Prism Host Unit II and perform the optical to electrical conversion for transport to the antennas. The PRU is an environmentally-sealed unit designed for outdoor use that houses the electronic assemblies such as the Digital/Analog Radio Transceiver (DART) board and the Power Amplifier, and seals out dirt and moisture.
Overview of Prism Remote Units PRISM REMOTE UNIT COMPONENTS Figure 1 shows the main components of the PRU and its corresponding RF Modules. Fan Module RF Module slots HDM RF Module SeRF Module DC Power switches for RF Modules Main AC/DC Power switch for the chassis Cable connectors Figure 1. Prism Remote Unit Components FlexWave Prism Remote Unit and HDM RF Module Installation Guide Page 6 320000117795 Rev A • FWPP-501-01 Issue 1 © March 2016 CommScope, Inc.
Overview of Prism Remote Units PORTS AND CONNECTORS Make sure you refer to the section that describes the PRU deployed in your installation. "Bottom of an AC-Powered Quad-Bay PRU” on page 8 and "DC-Powered Quad-Bay PRU” on page 9 shows the differences between an AC-powered and a DC-powered PRU. The differences will be the same for Single-Bay, Dual-Bay, and Tri-Bay chassis.
Overview of Prism Remote Units Bottom of an AC-Powered Quad-Bay PRU 2 1 6 3 5 4 Ref # Component Device Function 1 AUX connector Four contact closure inputs Connection points for two external alarm inputs. 2 Antenna connectors Eight Input/Output Impedance 50Ω N-Type connectors (female) Connection points between the PRU and antennas that are labeled MOD X TXO/RXO or MOD X TX1/RX1 (where the first X can be A, B, C, or D). For further information, see "Understanding RF Cable Rules” on page 26.
Overview of Prism Remote Units DC-Powered Quad-Bay PRU 1 2 3 4 POWER 48vdc/XXA CLASS 1 LASER PRODUCT MOD A TX1/RX1 MOD C TXO/RXO MOD D TX1/RX1 MOD C TX1/RX1 MOD A TXO/RXO MOD B TXO/RXO MOD B TX1/RX1 MOD D TXO/RXO 5 FIBER 2 AUX FIBER 1 NETWORK 6 Ref # Component Device Function 1 DC Power port Pass-through gland Connection point between the PRU and a -40 to -60 Vdc power source.
Overview of Prism Remote Units Remote Unit Status LED This section illustrates the Status LED on a Quad-Bay PRU. The Status LED for the Single-Bay, Dual-Bay, and Tri-Bay PRUs is in the same location and functions the same as the Status LED for the Quad-Bay PRU. The Remote Unit has a single red Status LED that is located on the bottom of the chassis.
Overview of Prism Remote Units SeRF Module LEDs SeRF Module LED LED Color GREEN RED OFF GREEN RED • • • • • • • • • GREEN RED GREEN RED • • • • SYNTH ALAR M NOTE: Description • • • • STATU • S POWE R POWER STATUS SYNTH ALARM Power OK and operating properly Power supply out of tolerance No power present No alarm for the SeRF II Module Initial bootup sequence and should become GREEN within 1 minute; if RED after bootup, a Major alarm exists for the SeRF Module Locked Unlocked or is in initial b
Overview of RF Modules for Prism Remote Units O V ER V I E W OF RF MODULES FOR PRISM REMOTE UNITS Dependent on the Prism Remote Unit model, a PRU enclosure can have from one to four RF Module bays and can support up to four RF Modules, as indicated by the model name. That is, the Single-Bay PRU has one RF Module bay and can only support one RF Module, and the Quad-Bay PRU has four RF Module bays and can support up to four RF Modules.
Overview of RF Modules for Prism Remote Units Prism supports the DART Module types listed below. • Classic DARTs are 6-timeslot DARTs that support up to 35 MHz contiguous bandwidth (see Table 9). • Single SuperDARTs are 6-timeslot DARTs that support two non-contiguous bands in the entire frequency range of the DART, but cannot exceed 39 MHz total RF bandwidth (see Table 10).
Overview of RF Modules for Prism Remote Units Table 11.
Overview of RF Modules for Prism Remote Units Single- and Dual-Bay RF Modules with Classic or SuperDARTs Figure 2 shows examples of Single- and Dual-Bay RF Modules, both of which have two DARTs. Single-Bay Dual-Card RF Module Dual-Band Dual-Bay RF Module NOTE: Some Single-Bay RF Modules have only 1 DART Card. Figure 2.
Overview of RF Modules for Prism Remote Units HDM RF Modules High-Density Module (HDM) RF Modules (Figure 3) are designed to provide the ability to deploy either a two 20W Multiple Input Multiple Output (MIMO) paths of the same band, known as a MIMO RF Module; two 20W Single Input Single Output (SISO) with two different bands, known as dual RF Module; or a single 40W Single Input Single Output (SISO) RF Module within a single-bay of a PRU. Figure 3.
Overview of RF Modules for Prism Remote Units Legacy Dual-Bay 40W RF Modules The Legacy Dual-Bay 40W RF Module (Figure 5) is designed for AWS and PCS frequencies and is supported only by Classic DARTs. The Legacy Dual-Bay 40W RF Module comprises: • one Classic DART • one Duplexer that comprises – – one Low Noise Amplifier (LNA) one Power Detector (PD) • two Power Amplifiers (PAs) • one Remote DART Interface (RDI) board.
Overview of RF Modules for Prism Remote Units RF MODULE COMPONENTS Figure 5 shows typical RF Module components, using the Single-Bay RF Module as an example, and Figure 6 shows the components of an HDM RF Module. DARTs Moun ng latch Moun ng LNA (inside the Duplexer cavi y) hook Power Amplifier (PA) Duplexer NOTE: The RDI is internal to the RF Module and is therefore not shown. Figure 5.
Overview of RF Modules for Prism Remote Units Linear Power Amplifiers The Linear Power Amplifier (LPA) is a high quality broadband RF amplifier used for achieving Prism product-rated power for the Remote Unit Tx forward path RF. The PAs are pass-band specific, with the maximum composite Tx power levels listed in Table 13 for Single-Card, Dual-Card, and HDM RF Modules and Table 14 on page 20 for Legacy Dual-Bay 40W RF Modules. The LPA is housed within the RF Module, and is not field serviceable. Table 13.
Overview of RF Modules for Prism Remote Units Table 14. LPA Maximum Composite Tx Power Levels for Legacy Dual-Bay 40W RF Modules Passband Maximum dBm Watts NOTE: Bandwidth (MHz) supported across entire spectrum Classic DART PCS 1900 +46 40 35 AWS 2100 +46 40 35 Industry Canada 20 dB Pass Band Model Number FWP-C4MT000MOD Cellular 850 MHz = 26.3 MHz and the PCS 1900 = 66.8 MHz.
Overview of RF Modules for Prism Remote Units LEDS on Narrowband HDM RF Modules 1 2 3 4 5 6 7 8 9 10 11 12 Ref # 1 DPM Power 2 FPGA Status 3 4 LVDS 0 Status LVDS 1 Status 5 DSP/GC Status 6 FPGA Load Status 7 8 9 10 11 12 * LED TXA Status RXA Status TMA A Status TXB Status RXB Status TMA A Status LED Color Description Green HDM RF Module is powered on. Red Problem with the HDM RF Module power. Blinking Green Blinks as heartbeat of the HDM RF Module.
Overview of RF Modules for Prism Remote Units LEDS on Wideband and Fullband HDM RF Modules 1 2 3 4 5 6 7 8 9 10 Ref # LED LED Color Description Green HDM RF Module is powered on. Red Problem with the HDM RF Module power. 1 DPM Power 2 FPGA Status — Not used. 3 LVDS 0 Status — Not used. 4 LVDS 1 Status — Not used. 5 DSP/GC Status — Not used. 6 FPGA Load Status 7 8 9 10 TXA Status RXA Status TXB Status RXB Status Red FPGA is in startup mode. Off FPGA load is complete.
Configuring the System with RF CONFIGURING THE SYSTEM WITH RF The following sections describe how to correctly pair RF Modules with PRU slots, cables, and Antenna connectors. RF GROUP ASSIGNMENTS FOR PRU RF MODULE BAYS A PRU comprises from one to four RF Module bays. Figure 7 illustrates the numbering of RF Module bays and DARTs. Quad-Bay Remote Unit with Single-Card RF Modules DART 7 Bay D DART 8 DART 5 Bay C DART 6 DART 3 Bay B DART 4 DART 1 Bay A DART 2 SeRF Module Figure 7.
Configuring the System with RF Table 15 lists how the FlexWave Prism EMS references the RF group assignments and corresponding components of each RF Module. Table 15.
Configuring the System with RF The Legacy Dual-Bay 40W RF Module occupies two bays in a PRU. Figure 8 shows the main components in a PRU enclosure, with a Legacy 40W RF Module occupying Bays A and B. The controlling DART will always be in the upper bay (B or D), and the second LPA is always in the lower bay (A or C).
Configuring the System with RF UNDERSTANDING RF CABLE RULES • • When installing a Diversity, MIMO or Dual-Band RF Module, both RF cables labeled MOD N TX0/RX0 and MOD N TX1/RX1 shall be connected to the N-Style connections of the RF Module. Note that older labeling schemes used “PRI” and “DIV”.
Configuring the System with RF Table 16.
Configuring the System with RF Table 17.
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 80. 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.
Install the Prism Remote Unit 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.
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 (1) “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.
Install the Prism Remote Unit 14.5” (36.83 cm) Top Band to Bo om Band 14.0” (35.56 cm) Top Bolt to Bo om Bolt Figure 9. Mounting Dimensions for Single-Bay PRUs FlexWave Prism Remote Unit and HDM RF Module Installation Guide Page 32 320000117795 Rev A • FWPP-501-01 Issue 1 © March 2016 CommScope, Inc.
Install the Prism Remote Unit 21.7” (55.118 cm) Top Band to Bo om Band 21.0” (53.34 cm) Top Bolt to Bo om Bolt 12.1” (30.734 cm) MiddleBand to Bo om Band Figure 10. Mounting Dimensions for Dual-Bay PRUs FWPP-501-01 Issue 1 • 320000117795 Rev A © March 2016 CommScope, Inc.
Install the Prism Remote Unit 30.6” (77.724 cm) Top Band to Bo om Band 17.5 (44.45 cm) Top Bolt to Bo om Bolt 16.1” (40.894 cm) MiddleBand to Bo om Band Figure 11. Mounting Dimensions for Tri-Bay PRUs FlexWave Prism Remote Unit and HDM RF Module Installation Guide Page 34 320000117795 Rev A • FWPP-501-01 Issue 1 © March 2016 CommScope, Inc.
Install the Prism Remote Unit 41.7” (105.918 cm) Band 1 to Bo om Band 28.0” (71.12 cm) Top Bolt to Bo om Bolt 27.6” (70.104 cm) Band 2 to Bo om Band 11.1” (28.194 cm) Band 3 to Bo om Band Figure 12. Mounting Dimensions for Quad-Bay PRUs FWPP-501-01 Issue 1 • 320000117795 Rev A © March 2016 CommScope, Inc.
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.
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
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.
Install the Prism Remote Unit UNPACK AND INSPECT THE PRISM REMOTE UNIT AND COMPONENTS 1 Inspect the exterior of the shipping container(s) for evidence of rough handling that may have damaged the components in the container. 2 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 119).
Install the Prism Remote Unit c Loosen the two captive screws at the bottom of the PRU. Bo om of the PRU Cap ve screws on the PRU FlexWave Prism Remote Unit and HDM RF Module Installation Guide Page 40 320000117795 Rev A • FWPP-501-01 Issue 1 © March 2016 CommScope, Inc.
Install the Prism Remote Unit d 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 e Remove the Mounting Bracket from the crate: i ii Unscrew two bolts and remove the Mounting Bracket from the crate. Tap the crate down as you hoist the PRU chassis up Save the Mounting Bracket for field installation.
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.
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.
Install the Prism Remote Unit 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. 4 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.
Install the Prism Remote Unit 8 Clinch band stub in place by hammering down buckle ears, as shown below. 9 Repeat Step 3 on page 43 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. FWPP-501-01 Issue 1 • 320000117795 Rev A © March 2016 CommScope, Inc.
Install the Prism Remote Unit 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.
Install the Prism Remote Unit Wood-Framed Wall Mounting Procedure 1 Refer to "Mounting Cautions” on page 42 before beginning this process. 2 Locate the Mounting Bracket provided with the PRU Mounting Kit. 3 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. 4 Obtain plywood with a minimum thickness of 0.75-inches (19.0 cm) to be used as a backer board.
Install the Prism Remote Unit 8 Drill 9/16-inch holes in the plywood backer at the hole positions marked in Step 7. 9 Refer to the following figure and do the following: a From the side of the backer that will face the wall, drive a 1/2-inch Tee Nut into each drilled hole. b Mount the plywood backer on the wall and firmly secure it to the wall’s interior studs.
Install the Prism Remote Unit Masonry Wall Mounting 1 Refer to "Mounting Cautions” on page 42 before beginning this process. 2 Locate the Mounting Bracket provided with the PRU Mounting Kit. 3 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. 4 Verify that concrete anchors to be used are designed for 1/2-inch bolts. 5 Hold the Mounting Bracket in position on the wall.
Install the Prism Remote Unit 7 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. 8 Refer to the following figure and do the following: a Set the anchors in the wall. b 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. c Place the Mounting Bracket over the two anchors.
Install the Prism Remote Unit 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. 1 Refer to "Mounting Cautions” on page 42 before beginning this process. 2 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.
Install the Prism Remote Unit 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. 1 Locate a #6 AWG (4 mm) copper grounding wire long enough to reach an approved earth ground. 2 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.
Install the Prism Remote Unit 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.
Install the Prism Remote Unit 2 Route the network cable from the network connection to the underside of the PRU. 3 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 4 Slide the connector nut up to the port until it engages the connector locking mechanism.
Install the Prism Remote Unit 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 55 • "Option B: Fiber Pass-Through Connector” on page 61 • "Option C: ProAx Connector (Legacy AC-Powered PRUs)” on page 65.
Install the Prism Remote Unit 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.
Install the Prism Remote Unit 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-op c cable runs between the Fiber 1 and Fiber 2 Connectors and the SFPs Fiber 1 and Fiber 2 cable Fiber 1 Connector (bo om of PRU) Fiber 1 and Fiber 2 Connectors (bo om of PRU) Figure 13. Multi-Fiber Optic Cabling FWPP-501-01 Issue 1 • 320000117795 Rev A © March 2016 CommScope, Inc.
Install the Prism Remote Unit 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 FlexWave Prism Remote Unit and HDM RF Module Installation Guide Page 58 320000117795 Rev A • FWPP-501-01 Issue 1 © March 2016 CommScope, Inc.
Install the Prism Remote Unit Use the following procedure to install the fiber cables using the HMFOC. 1 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 loca on for both the AC- and DC-powered PRUs.
Install the Prism Remote Unit 3 Clean the Multi-Fiber Optic cable connector using industry approved cleaning procedures. 4 Clean the Fiber 1 port using industry approved cleaning procedure. 5 Insert the Multi-Fiber Optic cable into the FIBER 1 connector; refer to the introductory material for this section for information on cabling requirements. a Align the plug end of the cable with the key as indicated on the overlay for the FIBER 1 connector, as shown below.
