Issue
10.05.A
XT2+ Series DISK RECORDER – Version 10.05 - Hardware Technical Reference
EVS Broadcast Equipment SA – July 2011
46
3.1.2
S
LOT
C
ONFIGURATION WITH
V3X
B
OARDS
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
B
OARDS
D
ESCRIPTION
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.
Summary of Contents for XT2+
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