User Manual

AXELL 3604 A284 SERIES UHF REPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
© Axell Wireless Ltd DOC PN 3604 A284 Series-UM Rev. 2.1 23
Figure 4-13. Donor AND Mobile Antenna Connections
4.10 External Alarm and Relay (Internal Alarm)
Connections
Figure 4-14. Alarm and Relay Connections
The External Alarm and Relay connections requirs manual wiring  inserting the cable via
the external connector and wiring the plinth located inside the repeater according to the
instructions given in this section.
About the external alarms
Four external alarm sources can be connected to the External Alarm module in the repeater
(such as fire alarms or external door sensors). The repeater is equipped with an external
alarm interface card. The connector plinth for the external alarms is located externally.
The alarm sources must generate a voltage between 12 and 24 VDC. The presence or
absence of voltage will trigger the alarm depending on how alarm thresholds have been
configured in the controller software (see section Error! Reference source not found.).
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).