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EN
ATRIUM A22
2-Door Controller
INSTALLATION MANUAL
EN
ATRIUM A22
2-Door Controller
INSTALLATION MANUAL
RECOMMENDED WIRING
SPECIFICATIONS
Equipment Wire Type Size
Maximum
Length
Card reader and
Wiegand keypad
4 to 8 conductors, stranded, shielded (foil), drain
conductor. For example: Alpha 5196, 5198, 5386,
5388, Belden 9553
22AWG (0.64mm) to
18AWG (1.02mm)
150m (500ft.)
Zone input 2 conductors, copper 22AWG (0.64mm) 22AWG (0.64mm) 600m (2000ft.)
Door strike 2 conductors, solid copper 18AWG (1.02mm) 18AWG (1.02mm) 150m (500ft.)
Power Supply 3 conductors, solid copper 18AWG (1.02mm) 14AWG (1.63mm)* 8m (25ft.)
Ethernet CAT 5/5e - 100m (300ft)
RS485 bus, Star or
Daisy Chain (no BIAS/
EOL required)
CAT 5/5e or 4 pairs 24AWG (0.51mm)
1220m (4000ft.)
4 conductors, copper
26AWG (0.40mm) to
18AWG (1.02 mm)
* The Minimum Size Equipment Conductors for the AC mains required are 14 AWG if made of Copper or 12
AWG if made of Aluminium or Copper-Clad Aluminium. Do not use any switch-controlled outlets to power the
system.
System Resources
Doors 2 (expandable to 10 doors)
Cards and users Up to 10,000 cards and users
Schedules Up to 250 Schedules each supporting up to 100 time periods (dd, hh:mm)
Buered Events Up to 25,000 events
Holidays Up to 100 holidays (yyyy-mm-dd, hh:mm)
Access Levels Up to 1000 access levels
Operating Temperature -20°C to +70°C (-4°F to +158°F)
Humidity 0% to 85% (non condensing)
System Autonomy Full Distributed Architecture (100% O-line Operation)
Firmware Online Upgradeable
PCB Dimensions 19.9cm (7.83”) x 12.38 cm (4.875”)
Cabinet Dimensions 29 cm (11.4”) high, 28 cm (11”) wide, 8 cm (3.15”) deep
Inputs
Readers
2 x Wiegand Readers with Multiple Protocol Support (Wiegand 26-bit, 30-bit & 44-bit),
Magnetic Stripe ABA Track 2
Keypads 2 x Wiegand Keypad with Multiple Protocol Support (Wiegand 8-bit & 26-bit)
Multi-Purpose Inputs
6 zone inputs (up to 12 using ZONE DOUBLER) with optional individual WIRE CUT &
WIRE SHORT supervision.
Box Tamper Normally Closed (N.C.) contact
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