1 - apcm board version 0 – Grass Valley EFP1685 Manuel d'utilisation
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Channel control unit numbering (use with a MCP)
B1685902AC
September 2000
THOMSON EFP1685 / CCU1686
User manual
2.7 - CHANNEL CONTROL UNIT NUMBERING (USE WITH A
MCP)
When the Channel Control Unit is controlled by an MCP, it must be assigned its own
address.
This adress define the camera number on the MSP.
It is absolutely necessary to provide a different address for Channel Control Units
connected to a given MCP.
2.7.1 - APCM board version 0
This address is allocated using thumbwheel RC140 on the front of the APCM board
and switchs S250/5 and S250/6 on the APCM board.
The switch S250/7 must be ON (MCP presence).
APCM version 0 PCB
Numbering:
• the thumbwheel permit the CCUS numbering of 1 to15 (1 to 9 position = 1 to 9 camera
and A to F position = 10 to 15 camera, the 0 position is forbidden),
• the S250/5 switch in ON position and the S250/6 switch in OFF position add 10 to the
thumbwheel value,
• the S250/6 switch in ON position and the S250/5 switch in OFF position add 20 to the
thumbwheel value.
CCU number according to RC140 and S250/5 S250/6 positions:
S250
Thumbwheel position
5
6
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
OFF
OFF
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15
MCP
CCU
NUMBER
APCM
AUX
RCP
ON AIR
STATUS
ON LINE
1
2
CAM BUSY
RCP
MCP
1
CONTACT
VOLTAGE
E13
E12
E10
E11
ON AIR 1
ON AIR 2
S250
ON
1
8
J1
RC140
R1
CHAR WIDTH
S250
RC140 thumbwheel