User's Manual

Axell BSF3604-450-470-DP-AC (61-101001) Repeater
Product Description and User’s Manual
© Axell Wireless Ltd Doc. No. 61-101001HBK Issue 1 31
4.6 External Alarm and Relay Connections
The repeater is equipped with an external alarm interface card. The connector terminal block for
the external alarms is located at the base of the repeater.
Connect the alarm cords to the plinth according to the pin layout below (pins 14 – 18 are not used).
Figure 4-11: External alarm interface card
located inside Repeater
4.6.1 External Alarm
● Four external alarm sources can be connected to the repeater.
● Alarm operating voltage: between 12 and 24VDC.
● Alarm polarity can be configured:
● Active-low - when there is no voltage the alarm indicator will turn red
● Active-high - an applied voltage of between 12 and 24 V will cause the external alarm
indicator to turn red.
● The repeater can supply +15 VDC to an external alarm source through pin 9 and 10. The
maximum allowed load is 100mA.
4.6.2 Relay
● Relay (pins 11 and 12) can be connected to an external device to indicate an alarm.
● Can be configured to trigger on any number of internal and external alarms. The
maximum current that can be supplied is 100mA.
Pin 1
External alarm 1A
Pin 2
External alarm 1B
Pin 3
External alarm 2A
Pin 4
External alarm 2B
Pin 5
External alarm 3A
Pin 6
External alarm 3B
Pin 7
External alarm 4A
Pin 8
External alarm 4B
Pin 9
Alarm +15V
Pin 10
Alarm 0V
Pin 11
Relay Output 1A
Pin 12
Relay Output 1B
Pin 13
GND
Pin 14
Not used
Pin 15
Not used
Pin 16
Not used
Pin 17
Not used
Pin 18
Not used