66250754-4G-EN - V2.0 - 28/03/22
- 29 -
4000 Series GSM Audio Intercom - Technical Manual
4000 Series GSM Audio Intercom with Proximity
Art.4810/4G UNIT ID.1
(default)
SECURED BY DESIGN
CONFIGURATION
Onboard prox. enabled
UNIT ID.1
Relay MOV in B position
Relay time set to 1 second
on 1st power up
Aux A1 time set to 5 secs.
on 2nd power up
Unit ID.1 setup on 4th
(last) power up
Aux A2 time set to 0, latch
mode on 3rd power up
Art.2813
INTERNAL
SECURED AREA
EXTERNAL UNSECURED AREA
A2 SWITCHED 0V OUTPUT
A1 SWITCHED 0V OUTPUT
VOLT FREE CONTACTS
RS485 + COMMON PSU 0V/GND
(RS485 BUS CABLE - 2 CORE TWISTED
OR CAT-5 WHERE: 1 CORE = A,
1 CORE = B, 1 PAIR = 0V/GND)
Fig. 37
Art.4903 UNIT ID.2
Art.4810/4G UNIT ID.1
(default)
Art.4850R UNIT ID.3
Switch set to 485. Termination
jumper in the CLOSED position.
USB
RS485 bus
termination OFF
NETWORK ACCESS CONTROL CONFIGURATION
RLY1 MOV = NO1
& prog. for 1 sec.
Onboard prox. enabled
& relay prog. for 1 sec.
RS485 bus
termination OPEN
Relay prog. for 5 secs.
UNIT ID.4
Relay MOV in B position
Relay time set to 0, latch
mode on 1st power up
Aux A1 time set to 1 sec.
on 2nd power up
Unit ID.4 setup on 4th
(last) power up
Aux A2 time set to 5
secs. on 3rd power up
Art.2813
A2 SWITCHED 0V OUTPUT
A1 SWITCHED 0V OUTPUT
VOLT FREE CONTACTS
VOLT FREE CONTACTS
12Vdc FAIL SECURE
LOCK RELEASE
RS485 + COMMON PSU 0V/GND
(RS485 BUS CABLE - 2 CORE TWISTED OR CAT-5 WHERE: 1 CORE = A, 1 CORE = B, 1 PAIR = 0V/GND)
Fig. 38
IMPORTANT NOTE: For each additional Art.4903 keypad, Art.4850R reader and Art.2813 remote relay an additional 12Vdc
power supply (HDR-15-12) may be required depending on distances and location of devices on the RS485 bus. The overall
maximum number of devices networked together must not exceed 72 devices in total, i.e. using a combination of 8 devices (4G
GSM, Art.4903 keypad and Art.4850R reader) plus up to 64 Art.2813 remote relays, but excluding an Art.481 converter.
RS485 Network Connection
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