Gpi Connections; Tally Outputs - Datavideo SE-700 Quick Start Manual

Hd 4 channel digital video switcher
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GPI Connections

The SE-700 can control external recorder/playback devices via simple contact closure GPI switch.
The GPI interface is a 3.5mm Jack Socket which is situated on the rear panel of the SE-700. Contact
closure between the Outer and Inner contacts on the jack plug will trigger a user selected event. Power is
supplied by the SE-700 and is less than 5V DC.
This GPI socket can also be used as a socket to trigger record or playback events with other equipment such as
the Datavideo HDR-70 recorder.
SAFETY FIRST The cabling required needs to be designed specifically to connect the SE-700 to the chosen record
or playback device as they are not all the same. The cabling required can be made by yourself or a
competent technician. Please speak with your Dealer or local Datavideo office to get further help and advice.

Tally Outputs

The SE-700 has a D-sub 15 pin female tally output port. These connections provide bi-colour tally information to a
number of other Datavideo products, such as the ITC-100 eight channel talkback system and the TLM range of LCD
Monitors. The ports are open collector ports and as such do not provide power to tally light circuits.
The pin outputs are defined as follows:
PIN No.
Signal Name
1
Program 1
2
--
3
Preview 1
4
RCOM (GND)
5
Program 4
6
Program 2
7
--
8
Preview 2
9
GND
10
--
11
Program 3
12
--
13
Preview 3
14
YCOM (GND)
15
Preview 4
Input/Output
Open collector output
--
Open collector output
Ground
Open collector output
Open collector output
--
Open collector output
Ground
--
Open collector output
--
Open collector output
Ground
Open collector output
35
Description of Signal
Tally output of input video Program 1
No Function
Tally output of input video Preview 1
Ground
Tally output of input video Program 4
Tally output of input video Program 2
No Function
Tally output of input video Preview 2
Ground
No Function
Tally output of input video Program 3
No Function
Tally output of input video Preview 3
Ground
Tally output of input video Preview 4

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