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10.05.A

XT2+ Series DISK RECORDER – Version 10.05 - Hardware Technical Reference

EVS Broadcast Equipment SA – July 2011

3.1.2 SLOT CONFIGURATION WITH V3X BOARDS

Slot # XT2+ SD (HD Ready), HD or HD/SD

7 RSAS board

6 HCTX

5 CODA (Audio Codec)

4 V3X (SD/HD) #3

3 V3X (SD/HD) #2

2 V3X (SD/HD) #1 Genlock

1 MTPC

3.2 VIDEO AND REFERENCE BOARDS

3.2.1 COHX BOARDS

DESCRIPTION

The COHX board is divided in 3 parts: COHX base (centre front and back), COD A

module (front left), and COD B module (front right).

COD A and COD B modules are the actual CODEC modules, each of them being

able to be configured by software either as an encoder (for a record channel) or

as a decoder (for a play channel). There are 3 hardware versions of COD modules:

SD only, HD only, or HD/SD. They are clearly identified by the sticker at the front

of the board.

There are 2 versions of the COHX base: one with genlock, one without genlock.

The genlock model can easily be identified by the presence of 3 quartz

synthesizer at the back of the board, on the right-hand side, and by the presence

of the GLK and PSU OK LEDs on either side of the DIN connector at the centre

front of the board. Note that a COHX board with genlock must

be installed as

COHX #1 in first position (slot 2) in an XT2+ system. A COHX board with genlock

can never

be installed in any other slot, and thus cannot be used instead of COHX

#2 or #3. Doing so will result in conflicting electrical signals inside the system.

EVS XT2+ User Manual

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