GRASS VALLEY 8931 Datasheet

8931 Digital Video Fanout Distribution Amplifier
Key Features
• Passive differential loop-through design
adds system flexibility and reliability
• Eight outputs
• Auto input cable equalization up to 300m
• Supports both component and composite
signals, all data rates 143, 177, 270,
360 Mb/s
• Front panel LED indicate EQ warning
• Remote health monitoring
NOTE: ASI compatibility with 0° in phase
outputs
Specifications
Supported Frame Types
GeckoFlex with 8900V-R GeckoFlex Video rear module,
Gecko video frames: 8900TX-V, 8900TF-V, 8900TFN-V
Power Rating
2.5 Watts – single slot
Input
Type: Serial digital (SMPTE 259M A, B, C, and D)
Connector type: BNC
Impedance: High Z differential loop-through
Supported data rates: 143, 177, 270, and 360 Mb/s
Return loss: >18 dB up to 270 MHz,
>15 dB up to 360 MHz
Automatic cable equalization:
<300 meters (up to 270 Mb/s)
<200 meters (up to 360 Mb/s)
Output
Type: Serial digital (SMPTE 259M A, B, C, and D)
Number of outputs: Eight
Connector type: BNC
Impedance: 75Ω
Return loss:
>18 dB up to 270 MHz
>15 dB up to 360 MHz
The 8931 digital video fanout distributor
amplifier is designed for distributing all major
serial digital video formats. It is especially
suited for short runs of recently reclocked
signals where jitter is not a problem.
ASI, SDI or EQ
4fsc Input
EQ Warning
Adjustment
Performance
No signal reclocking
Electrical length: 3.4 ±1 ns
Temperature range: 0° to 50°C
(all specifications met)
Health monitoring: Power supply fault alert per
SMPTE 269M
• Input signal present
• Input EQ warning
Indicators and Controls
Indicators: EQ warning
Remote: Frame alarm
8900V-R
J1
SDI only
J3
Outputs
(180 º)
J5
ASI/SDI
J7
Outputs
(0 º)
J9
Loopthru
Input
EQ Warning LED
Monitor
Ordering Information
This module can be mounted in a GeckoFlex
frame when ordered with the 8900V-R GeckoFlex
Video rear module.
8931
Digital video fanout distribution amplifier
For detailed specifications, installation and setup
instructions see:
www.grassvalley.com/docs/modular
27
J2
ASI/SDI
Outputs
J4
(0 º)
SDI only
J6
Output
(180 º)
ASI/SDI
J8
Output
(0 º)
J10 ASI/SDI
Input
(0 º)
ASI/SDI or 4fsc
Outputs (0)
SDI or 4fsc
Outputs (180)
Only