American Dynamics TMV910Q User Manual page 16

User's Guide
D. Connect the output of the second VCR, to be used for playback, to the VCR Input
BNC or S-VHS connector
E. This arrangement will allow triplex operation, in which the multiplexer can
display playback of previously recorded video and live cameras on the same
screen, while simultaneously recording all the live cameras.
F. Call Monitor output BNC connector
G. RJ-11 RS-485 port for connection to a remote keyboard or PC for external control
H. External I/O connector (37 pin DSUB): for connection to external expansion
board. The expansion board permits the inputs and outputs listed below (see
External I/O Port (37 pin DSUB)
Alarm In:
Alarm Out:
VCR Trigger:
Set Alarm:
Reset Alarm:
8
on page 57).
TTL level input, for NC or NO types of alarm signals. Please
refer to Alarm Set Up
input behavior to alarm type.
NO and NC outputs available. Connect these pins to the alarm
input of the VCR or other device, such as a siren or flashing
light.
TTL level input, connect to VCR trigger out.
TTL level input, normal open (NO). Shorting this pin to ground
will activate the alarm output, if enabled in the setup menu.
TTL level input, normal open (NO). Shorting this pin to ground
will deactivate the alarm output, if enabled in the setup menu.
on page 35 for set up procedure to match
System Installation