CORNING MRU Assemblage Manuel d'installation - Page 8

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INSTALL AND CONNECT DIN RAIL

POWER SUPPLY (RECOMMENDED FOR

MRU AC MODELS) (CONTINUED)

Notes:

• When using five or more wires connected to

• The maximum allowable cross-sectional area of

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 fixed 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.

Corning Optical Communications

the unit, the current of each wire should be

derated to 80 percent of the recommended

current above.

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

Figure 13. Overview of Recommended SDR Connections

Alarms Connector and Cabinet Alarms Block

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