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Calibur DSR-1000eZ 1-6 0150-0238A
Alarm In
An alarm condition can be activated by an Active Low TTL input
or by relay contact devices such as pressure pads, passive
infrareds, door switches, or other similar devices.
Input: Active Low TTL w/ pull-ups
or Normally Open Relay.
High: 5V (12V tolerant)
Low: Ground
Minimum Duration: 0.5 Seconds
Figure 1-4 Normally Open Relay Alarm Connection
Pin 1
Pin 7 or 10
Alarm Input
Ground
Accessories PCB
Typical Alarm Device
Refer to each alarm devices's
manual for specific wiring details.
Normally Open
(Closes During Alarm)
Alarm Out
The Alarm output is activated when a teletext alarm is detected,
or while the Alarm Input is active. The Alarm output is only
active for the duration of the alarm event.
Output: Active Low
High: 12V
Low: Ground
Current Out: 50mA Max
Short Circuit Protected.
Low for duration of alarm.
Record Start In
Record Start In will place the unit in Record mode when
activated. Compatible with the Disk End Out signal from a
second unit.
Input: Active Low TTL w/ pull-ups
or Normally Open Relay.
High: 5V (12V tolerant)
Low: Ground
Minimum Duration: 0.5 Seconds
Alarm Record Reset
This feature is for future development, and has not yet been implemented.