Extron electronic VNM 12 PSD, VNM 12 PSR VNM 12 PS/PSR Power Supply Installation Guide Continued

VNM 12 PS/PSR Power Supply • Installation Guide (Continued)

4.Connect the two supply cables from the rear of the VNM 12 PSD to the power supply terminals on the rear of the PSU as shown.

Red

Connect positive cables.

(Terminal is NOT color coded.)

5.Replace the PSU terminal cover removed in step 1.

AC Power 3/4 Connector
(VNM 12 PSR only)	4
16 A Supply Required
	3/
	PSU D-sub
	Connector
Supply Cables

Black

Connect GND / RTN cables.

(Terminal is NOT color coded.)

1/2 VNM 12 PS VNM 12 PSR Rear

AC Power 1/2 Connector

(VNM 12 PS and VNM 12 PSR)

16 A Supply Required

PSD to VN-Matrix Connection

1.Using the supplied DC power cables, connect up to 12 VN-Matrix 200/225 or VN-Matrix 300/325 Series encoder/decoder devices to the distribution assembly as shown at right.

2.Connect AC power to AC connector 1/2, (VNM 12 PS), or 1/2 and 3/4 (VNM 12 PSR).

VNM 12 PS/PSR Power Supply Module Replacement

There are two LEDs on the front panel of each power supply module. The AC Power LED indicates whether AC power input is present on the module. The DC power LED lights green during normal operation or red, accompanied by an audible alarm, to indicate a failed or overloaded supply.

VN-Matrix 200/225 or

VN-Matrix 300/325 Series

Encoder/Decoder

AC 1/2

VNM 12 PS

VNM 12 PSR

AC 3/4

DC Power Cables (8 shown, 12 max.)

VNM 12 PSD

If a power supply module fails, it may be replaced without removing power.

NOTE: Failed power supply modules in the VNM 12 PS can be replaced without removing AC power. However, if a

module fails, depending upon how many VN-Matrix devices are connected, DC power output may be shut down. A failed module is identified and replaced the same as the VNM 12 PSR using the procedure below.

To replace a module:

1.On the failed module, flip the front panel security latch up to release the module, then pull it from the frame.

2.Push the replacement supply into the frame making certain it is on the mounting rails.

3.Seat the supply by pressing it into the rear connector. Both the red AC and green DC indicators light when the power supply is properly seated.

4.Flip the security latch down to secure the module.

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