JVC VR-N900U Startup Manual page 18

Getting Started
Camera Control Terminals
Refer to the following table for connection cables. Carefully read the instruction manual supplied with the connected device.
Camera control terminals
Signal code Pin number
RX+ 1
RX- 2
TX- 3
TX+ 4
GND 5
NC 6
NC 7
NC 8
NC 9
(D-Sub 9 pin, male)
Rear I/O Terminals
Terminal
[ALARM IN]
[EMERGENCY]
[ALARM RESET]
[EXT REC IN]
[OPE ON/OFF]
[REC TALLY]
[ALARM OUT]
[WARNING OUT]
[OPTION OUT 1, 2]
10
250ms or more
Make
*Set the output impedance to 10kΩ or less.
250ms or more
*Set the output impedance to 10kΩ or less.
250ms or more
*Set the output impedance to 10kΩ or less.
1s or more
Switches to off when
[OPERATE] is set at ON.
*Set the output impedance to 10kΩ or less.
Make
Signal level
250ms or more
Break
Approx. 50ms
Switches to on when
[OPERATE] is set at OFF.
External pull-up level
Individual output terminal and
COM terminal configure a
make contact. Individual output
terminals become "break" when
the VR-N900U is switched to
OFF.
Remarks
Make Contact Input
Make Contact Input
Make Contact Input
Make Contact Input
Open collector
(DC15V, 10mA or less)