CORNING MRU Manual de usuario

Quick Installation Sheet | CMA-595-AEN | Page 1

Corning Optical Communications

. KITS REQUIRED FOR INSTALLATION

The following kits are required for installing the MRUs in the outdoor enclosure. Each kit is ordered separately.

Kit Description Quantity

FLX16-GR487-B Purcell FlexSure 16RU Outdoor GR-487 Enclosure for dual MRU installations

Purcell MIMO cabinet P/N: 2000004345 FLX16-GR487, Bump-out hatch

MRU-E-XXXXX-AC/DC Mid-Power Remote Unit 1

AK-MRU-DCA-CBL External Alarms Cable; DB9 male open wire cable for external alarm connections 1

AK-FLX1216-POLE-MK

(optional)

Platform Pole-Mountable Kit for FLX12 or FLX16 outdoor enclosures

Purcell P/N: 2000003986

AK-FLX16-SIDE-MK

(optional)

Sideways Mount Kit for FKX16 outdoor enclosures

Purcell P/N: 2000004015

GENERAL INFORMATION

1. Additional relevant documentation:

• MRU quick installation sheet provided with the unit (or download from Corning partner portal: CMA-398-AEN)

• Purcell® FlexSure®16-GR487 installation manual provided with the cabinet

• MEAN WELL DIN rail power supply installation manual:

http://www.meanwell.com/webapp/product/search.aspx?prod=sdr-480&pdf=U0RSIERJTiByYWlsLnBkZg==&a=4

2. Only trained and qualied personnel should be allowed to install, replace, or service this equipment.

3. Corning recommends using the MEAN WELL SDR-480-48 DIN rail AC/DC converter or equivalent.

4. The MRU connections are performed after the two chassis are installed in the cabinet.

This document provides instructions on how to install two Corning® optical networks evolution (ONE™) solution mid-power remote

units (MRUs), required for a MIMO conguration, in an accommodating Purcell cabinet and how to perform the external alarm

connections between the units and the enclosure.

Table 1. Required Kits

CMA-595-AEN

Mid-Power Remote Unit (MRU)

Outdoor Enclosure MIMO

Assembly Quick Installation Sheet

Quick Installation Sheet | CMA-595-AEN | Page 2

Corning Optical Communications

. ADDITIONAL REQUIRED ITEMS (NOT SUPPLIED)

• Standard electrician tools (including ratchet wrench with extension bar and 8 mm socket) for tightening self-drilling

screws securing MRU chassis to cabinet rails

• Assorted cable ties

• 90-degree right-angle 4.3-10 type male connector coax cables – one for antenna connection and one for external

2.5 GHz RF source connection (if relevant)

• Sealing material for knockouts – if not using conduits

• Recommended – Flexible cable conduits for routing connection cables through cabinet knockouts; refer to

Figure 2 for relevant knockouts. Following are recommended Heyco® part numbers for exible liquid-tight conduits

(or the equivalent):

• Recommended DIN rail power supply for MRU AC models — MEAN WELL SDR-480-48 or equivalent;

Input: 100-240 V AC; 5 A 50/60 Hz; Output: 48 V; 10 A

• DIN rail TS-35 / 7.5 or 15 — used for mounting DIN rail power supply onto air tray

• Rail/prole cutter

• Two screws for securing DIN rail to cabinet air tray

• Slotted 4 mm screwdriver — for SDR wiring

Manufacturer Part Number Description

8406 Heyco-Flex™ Liquid-Tight Conduit Fittings, HFC 1 Black with 8467 Nut,

conduit tting 1-in thread

8453 Heyco-Flex Liquid-Tight Tubing, HF2 1 tubing 100 ft coil, black

8456 Heyco-Flex II Liquid-Tight Tubing, HF2 2 tubing 50 ft coil Black

8642 Heyco-Flex Liquid-Tight Conduit Fittings, HFC 2 black; conduit tting 2-in thread

Table 2. Recommended Conduits

Quick Installation Sheet | CMA-595-AEN | Page 3

Corning Optical Communications

Figure 1. Required Position of MRU Rack Ears

Figure 2. Required Knockouts

. PRE-INSTALLATION PROCEDURES

Step 1: Remove each rack ear and reassemble according

to position shown in Figure 1.

Step 2: Carefully lay cabinet on backside so door faces

upwards.

Step 3: Referring to Figure 2 for relevant knockouts,

use appropriate knockout tools to punch out

knockouts for routing connection cables.

Note the following:

• 2.469-in dia. knockouts — for RF and power

cables; front pair for power and RF and rear

pair for power and RF

• 1.375-in dia. knockouts — for ber and power

(if power cable diameter is too small for the

large knockouts)

ATTENTION! In the event that a power amplier (PAM) or the

optical module (OPTM) needs to be removed

from the chassis, make sure to rst press the

release button on the module and then pull out

using the handle (see Figure 3). Any attempt to

pull out the module without rst releasing may

cause damage.

Corning will not be liable for damage of products

resulting from improper handling during

installation or repair.

Figure 3. Extraction of PAM/OPTM

Quick Installation Sheet | CMA-595-AEN | Page 4

Corning Optical Communications

. INSTALL MRU IN CABINETS

Step 1: With the cabinet still laying on backside (so door

faces upwards), open the cabinet door.

ATTENTION! Make sure that the door hatch locks into the

door rail in order to avoid closing of door while

installing the chassis. See Figure 4.

To close the door, push hatch inwards towards

the door to release.

Note: The rst MRU chassis is installed on the bottom of the

cabinet and the second above it.

Step 2: Insert one 8 mm self-tapping screw (provided

with the cabinet) halfway into the bottom hole

of each rail. Refer to Figure 5.

Note: An extension bar may be required to access the screws

due to narrow space between chassis and cabinet rails.

Step 3: Position the bottom half slots of the MRU rack

ears onto the protruding screws and tighten the

screws using a ratchet wrench. Refer to Figure 6.

Step 4: Insert at least two additional screws into each

of the cabinet rails to safely secure MRU and

tighten.

Step 5: Perform Steps 2 - 4 for the second MRU,

positioning it above the rst installed unit, as

shown in Figure 7.

Figure 4. Opening Cabinet Door and Locking Hatch in Place

Figure 5. Inserting Self-Tapping Screw in each Rail

Figure 6. Securing MRU to Cabinet Rails Figure 7. Outdoor cabinet with

Two Installed MRUs

Quick Installation Sheet | CMA-595-AEN | Page 5

Corning Optical Communications

. GROUND CABINET AND MRUs

Step 1: Ground cabinet - refer to the manufacturer’s

installation guide for instructions on cabinet

grounding. Figure 8 shows cabinet grounding

bolt location (left side panel).

Step 2: For each MRU chassis - using one of the

grounding cables provided with the cabinet,

ground the MRU via the two-hole, standard

barrel grounding lug located on the front panel

to one of the cabinet grounding bolts. Refer to

Figure 8.

MRU grounding lug requirements:

• For use with stranded copper wire conductors

• 10-14 AWG

• Holes - 1/4-in

. INSERT LIQUID-TIGHT FLEXIBLE CONDUITS

IN KNOCKOUTS (RECOMMENDED)

Insert the appropriate size conduits in each of the punched-

out knockouts (shown in Figure 2). See Section 2 for

recommended conduits.

Figure 8. Example of Grounding MRUs to Cabinet

Quick Installation Sheet | CMA-595-AEN | Page 6

Corning Optical Communications

. ROUTE FIBER AND POWER CABLES

IMPORTANT! If cables are routed without the use of conduits,

the knockouts must be sealed using appropriate sealing

materials.

Route optic ber from ber switch and power cables, for

both MRUs, through designated knockouts (see Figure 2) and

connect according to instructions in MRU quick installation

sheet. Refer to Figure 9.

Note: For DC power connections – route DC power cable with

open wires (without connector) and then wire according to

instructions in MRU quick installation sheet (CMA-398-AEN).

. CONNECT RF ANTENNA COAX

For both 4.3-10 Type “ANTENNA PORT” and “2.5 GHz INPUT

PORT” - route coax cables (with 90-degree right-angle

connector) through their designated knockouts (see Figure

2) behind and above both MRU chassis and connect to the

corresponding RF ports. Refer to Figure 9.

Figure 9. Example of Routed

Connection Cables

Quick Installation Sheet | CMA-595-AEN | Page 7

Corning Optical Communications

. INSTALL AND CONNECT DIN RAIL

POWER SUPPLY (RECOMMENDED FOR

MRU AC MODELS)

Recommended DIN rail power supply:

• Type: MEAN WELL SDR-480-48 or equivalent;

• Input: 100-240 V AC; 5 A 50/60 Hz;

• Output: 48 V; 10 A

• Recommended fuse and maximum number of SDR PSUs

for a 230 V circuit breaker:

Step 1: Remove air tray front panel, as shown in Figure 10.

Step 2: Open the four screws , securing the air tray to

the cabinet rear brackets, and remove the air

tray. Set the removed screws aside.

Step 3: Using a rail/prole cutter, cut the DIN rail (not

provided) length so that it ts the length of the

air tray side panel. See Figure 11.

Step 4: Secure the DIN rail in place using one or two screws.

ATTENTION! When assembled, the power supply must be ush

with the rear of the air tray. Refer to Figure 11 .

Step 5: Mount the power supply onto the DIN rail.

IMPORTANT! The top of the power supply should be facing

the front of the air tray (towards cover), as

shown in Figure 12.

Step 6: Perform the wiring connections on the power

supply side (before installing tray in cabinet).

Wiring requirements:

• Copper wires only

• Wires that can withstand a minimum temperature of

80°C (e.g., UL1007)

• Recommended wire strapping length = 0.197 in (5 mm)

• Recommended wires:

Fuse Circuit Breaker

C16 D16

T8A / L250V 4 4

AWG 18 16 14 12 10

Rated Current of

Equipment (Amp)

6 6-10 13-16 16-25 25-32

Cross-Section of

Lead (mm2)

0.75 1.00 1.5 2.5 4

Figure 10. Removing Air Tray Cover

Figure 12. Air Tray (with cover) with Assembled and Wired

Power Supply

Figure 11. Assembled DIN Rail Power Supply and Air Tray

(Top View)

Quick Installation Sheet | CMA-595-AEN | Page 8

Corning Optical Communications

. INSTALL AND CONNECT DIN RAIL

POWER SUPPLY (RECOMMENDED FOR

MRU AC MODELS) (CONTINUED)

Notes: • When using ve or more wires connected to

the unit, the current of each wire should be

derated to 80 percent of the recommended

current above.

• The maximum allowable cross-sectional area of

the wire for the SDR terminal is 12 AWG/2.5 mm2

Step 7: Using 3 A gauge wires, connect a pair of DC

wires to the “-V” and “+V” terminal block

connectors .

Step 8: Connect 2 A gauge double insolation wire to

power supply (leads to AC inlet power). See

Figure 13.

IMPORTANT! Make sure that all strands of each stranded

wire enter the terminal connection and that

the screw terminals are securely xed to ensure

good contact. If the power supply consists of

multiple output terminals, make sure each

contact is connected to wires to prevent excess

current stress on a single contact.

Step 9: Install the assembled air tray and power supply

(without cover) in the cabinet above the MRUs

and secure rear of tray to cabinet brackets using

the four screws (previously removed).

Step 10: Connect the pair of 3 A gauge wires from the

power supply “-V” and “+V” terminal block

connectors to the socket box on the right of the

enclosure.

Step 11: Connect the 2 A gauge double insolation wire

from the SDR to AC inlet power. See Figure 15 for

illustration of connections betweeen external

enclosure and DIN rail power supply.

Figure 13. Overview of Recommended SDR Connections

Alarms Connector and Cabinet Alarms Block

Quick Installation Sheet | CMA-595-AEN | Page 9

Corning Optical Communications

. PERFORM EXTERNAL ALARM CONNECTIONS

BETWEEN MRUsAND CABINET

Note: Also refer to relevant section of the cabinet installation

manual (i.e., “Connecting Optional Custom Alarms”).

Step 1: For each MRU - connect the external alarms

cable (ordered separately) to the chassis DB-9

“External Alarms” connector.

The connector provides indications for door

opening, heat exchanger (HEX), and one

additional input for future use.

Refer to Table 3 and to Figure 14 for MRU “External Alarms”

connector pinout.

Step 2: Route the cable alarm wires to the alarm block,

located on the upper right corner of the cabinet.

Step 3: Connect the external alarm connections to the

cabinet according to the following:

Refer to Table 4 for external alarms cable wiring description.

Figure 14. Location of External Alarm Connector

Color Description

Red +48 V_COMMON

Green -48 V_EXIST INDICATION

Brown -48 V_DOOR ALARM

Black -48 V_HEX ALARM

White -48 V_FUTURE ALARM

Table 4. MRU External Alarm Connector Pinout Description

Pin Description

1 Common

2 Not connected

3 Not connected

4 Not connected

5 Not connected

6 Door alarm

7 HEX alarm

8 Future alarm

9 Exist indication (indicates existing

connection of alarm cable)

Table 3. MRU External Alarm Connector Pinout Description

Quick Installation Sheet | CMA-595-AEN | Page 10

Corning Optical Communications

. PERFORM EXTERNAL ALARM CONNECTIONS

BETWEEN MRUsAND CABINET (CONTINUED)

Refer to Table 5 for wiring description of MRU external alarms

connector and to Figure 15 for examples of the upper and

lower cabinet block wiring connections.

Table 5. External Alarms to Cabinet Block Wiring

Figure 15. Example of External Alarm Wiring Connections

(with DIN rail power supply)

External Alarms Connector Pin Number

1 Common 8 Future Alarm

6 Door Alarm 4 NC

2 NC 9 Exist Indication

7 HEX Alarm 5 NC

3 NC Note: NC = Not Connected

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