Tektronix Grass Valley 4000, Installation And Service

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2-82
Section 2 — Installation
The Control cable is connected between the Peripheral Port (J5) at the rear of the
DPM frame, and Port A3 (J5) on the Expanded Communications Panel at the rear
of the Model 4000 Signal Processor Frame.
The DPM-700 connects to the Model 4000 through an RS-422 control cable
available from GVP. Available cable length is 16 meters (054602-16). Alternatively,
you may make your own cable, as illustrated in
Figure 2-47 . Maximum length of
the control cable is 300 meters.
Figure 2-46. Model 4000 to DPM-700 Cabling
Control Cable
RS-422
(054602-XX)
Port A3
J5
Comm.
Panel
Model 4000 Signal
Processor Frame
DPM-700
Peripheral
Port
J5
Channel 1
Channel 2
Any
Aux Bus
Outputs
Any Video &
Key Inputs
VIDEO
KEY 1
VIDEO 1
KEY
KEY 2
B
B
A
VIDEO 2
Chassis Ground
Ground
0625-220
Connects to
PORT A3
on Model 4000
1
2
6
7
3
8
4
9
5
Rx B
Tx A
Tx B
Male
(Twisted Pairs)
Rx A
Connects to
J5 on
DPM 100/700
1
2
6
7
3
8
4
9
5
Male
Wiring
Side
Wiring
Side
Figure 2-47. RS-422 Cable Design