AT-4
FAAC S.p.A. Via Calari, 10
– 40069 – Zola Predosa (BO) - Italy
Page 20 of 25
5 SETTING THE DIP-SWITCHES
The DIP-switches are located behind the cover. The function of the switches
SW2 depends on the firmware.
The switches, from SW1-1 to SW1-4, are described below.
1 2 3 4 5 6 7 8
1 2
3 4
Fig. 18: DIP-switches
5.1 ON / OFF ACOUSTIC SIGNAL
Enable or disable the internal beeper. An acoustic signal indicates the
identification of a transponder. The power of the identified transponder signal
determines the frequency of the acoustic signal. When the transponder is
close to the reader, the frequency of the acoustic signal is faster.
ON
1 2 3 4
SW1
Beeper ON
ON
1 2 3 4
SW1
Beeper OFF
5.2 RS232 / RS422 SELECTION
RS232 or RS422 interface selection.
ON
1 2 3 4
SW1
RS232 interface enabled.
ON
1 2 3 4
SW1
RS422 interface enabled.
5.3 SW1-3 SW1-4
The switches SW1-3 and SW1-4 are provided for reserved applications.
Please leave them on ON.
