GRASS VALLEY 7500NB, Instruction Manual

Page: 45 / 92

7500 Series Instruction Manual 2-21
Cabling
7500WB Video Reference
The 7500WB Video Reference is used to determine the router switch point.
Two sets of video references allow the router to switch on two different ver-
tical rates. Any Composite Analog Video Sync signal will work. Color Black
is recommended. See
Figure 2-18 .
The 7500 WB Digital Video References are not currently used.
Figure 2-18. WB Video Reference Connectors
193-224 129-160 193-224 129-160 65-96 1-32 65-96 1-32
INPUTS INPUTS OUTPUTS OUTPUTS
IN
1 2 1 2
1 2 3 4
GSC
MC1
MC2
OUT
MONITOR VIDEO REF
DIGITAL VIDEO REF
1 2
+
_
193-224 129-160 193-224 129-160 65-96 1-32 65-96 1-32
INPUTS INPUTS OUTPUTS OUTPUTS
IN
1 2 1 2
1 2 3 4
GSC
MC1 MC2
OUT
MONITOR VIDEO REF
DIGITAL VIDEO REF
1 2 +
_
7500WB 128X128
0723_00_14_r0
Video Reference Generator (Color Black)
75 Ohm Terminators
Input
Signal 2
Input
Signal 1
Signal
Flow
Output
Signal 2
Output
Signal 1
Signal
Flow