Grass Valley EFP1685 - Manuel (Page 150)

150 Chapter 2 - Installation
Operator control panel
B1685902AC
September 2000
THOMSON EFP1685 / CCU1686
User manual
2.6 - OPERATOR CONTROL PANEL
2.6.1 - OCP CCU link cable
The maximum length of cable connecting the panel with the Channel Control Unit is
50 metres with a screened 5 pairs cable. This maximum length is 100 metres if the 5
wire (used for the OCP supply) is quadrupled. Refer to the schematic cable.
The chassis ground of the panel must be connected to the chassis ground of the instal-
lation.
The connection is normally provided by a screened 5 pairs cable, part number:
• BC041.001 - length 2 metre, or
• BC041.015 - length 15 metres, or
• BC041.050 - length 50 metres, or
• BC042100AA - length 100 metres
CCU OCP
GROUND
GROUND
RETURN A
RETURN B
OUT B
OUT A
GROUND
GROUND
OCP POWER SUPPLY)
GROUND
OUT A
OUT B
RETURN B
RETURN A
GROUND
GROUND
OCP POWER SUPPLY
GROUND
5
4
3
2
1
6
7
8
9
5
4
3
2
1
6
7
8
9
1 OR 15 OR 50 METRES CCU/OCP CABLE
Cable Shield
CCU OCP
GROUND
RETURN A
RETURN B
OUT B
OUT A
GROUND
OCP POWER SUPPLY)
GROUND
OUT A
OUT B
RETURN B
RETURN A
GROUND
OCP POWER SUPPLY
100 METRES CCU/OCP CABLE
5
4
3
2
1
6
7
8
9
5
4
3
2
1
6
7
8
9
Cable Shield