User Manual

AXELL MBF-40 AMERICAS REPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
© Axell Wireless Ltd Doc. No. 00071UM Rev. 3.2 41
3.8 External Alarm and Relay Connections
The repeater is equipped with an external alarm interface card. The connector plinth for
the external alarms is located at the bottom of the repeater.
The strain relief fitting in is a Pg 13.5 suitable for a 6-12 mm cable diameter.
Connect the alarm cords to the plinth according to the pin layout below (in the standard
version pins 14 – 18 are not used).
Figure 3-32: External Alarm and Relay Pinout
3.8.1 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.
3.8.2 Relay
• Relay (pin 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.
1 External alarm 1A
2 External alarm 1B
3 External alarm 2A
4 External alarm 2B
5 External alarm 3A
6 External alarm 3B
7 External alarm 4A
8 External alarm 4B
9 Alarm +15V
10 Alarm 0V
11 Relay Output 1A
12 Relay Output 1B
13 GND
14 NC
15 NC
16 NC
17 NC
18 NC
Pin # Signal
Pin 1