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BNC Connectors
The following note applies to all video, LTC, and Genlock connectors:
A BNC connector used as an output will have 75-ohm source impedance.
•
A BNC connector used as an input will have a fixed 75-ohm termination.
•
GPI Connector
General purpose control inputs (GPI) may be applied to the GPI port, which is a DB-25-F
connector. These inputs are optically isolated from the Image Server circuitry; individual
floating returns are provided. +5 volts may be sourced from pins 21 or 22, or provided from
an external source. Current limiting devices are provided within the Image Server.
General purpose status outputs also appear on the GPI connector. Open-collector outputs are
provided as status outputs, and may be used to drive an external LED or control input.
Refer to the connector pin-out table and partial schematic, following.
GPI Connector Pinout
Pin
1
2
3
4
5
6
7
8, 9, 10
11
12
13
Page 112
All manuals and user guides at all-guides.com
Signal
GPI 1
GPI 2
GPI 3
GPI 4
GPI 5
GPI 6
N/C
GND
GPO 2
GPO 4
GPO 6
Pin
Signal
14
GPI 1 RTN
15
GPI 2 RTN
16
GPI 3 RTN
17
GPI 4 RTN
18
GPI 5 RTN
19
GPI 6 RTN
20
N/C
21, 22
+5V S
OURCE
23
GPO 1
24
GPO 3
25
GPO 5
Image Server 2000 Owner's Manual
(200
A
)
M
MAX
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