User's Manual

AXELL 3307D REPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
© Axell Wireless Ltd 19
The color configuration of the alarm wires is as follows
The following table provides a description of the Alarm connector pinout and the corresponding
cable wire color-match pin.
Description Pin No. Operation
External Alarm_1 1 Triggers Alarm ID 1 (if set in the External Alarms tab).
GND 5 Ground, galvanic short to Repeater chassis.
External Alarm_2 2 Triggers Alarm ID 2 (if set in the External Alarms tab).
GND 6 Ground, galvanic short to chassis
Dry contact relay
Normally Open (NO)
3 Normally Open to the relay common port. The contact is
open during normal operation closes when either a Major
Alarm is detected or the Repeater is switched off.
Dry contact relay
Normally Closed (NC)
4 Normally Closed to the relay common port. The contact is
closed during normal Repeater operation and opens when
either a Major Alarm is detected or the Repeater is switched
off.
Dry contact-common 7 Dry contact relay common port
3.11.1 Load Restrictions
3.11.1.1 Alarm Dry Contact Output Restrictions
• Maximum switching voltage: 220 VDC, 125 VAC
• Maximum switching current: 2A
3.11.1.2 External Alarm Input Restrictions
• Maximum repetitive reverse voltage: 28 V
• Impedance load: 470 Ohm: 0 = 0V; 1 = 3.8V - 28V