User's Manual
A7817A
4
1.3 Specifications
Electrical Specifications
Operating Voltage 12 to 30 VDC
Current Draw Reader: 36mA (Typical); 46mA (Max)
Interface Module: 59mA (Typical); 182mA (Max)*
Aux Relay Board: 17mA (Typical); 386mA (Max)*
*The max current draw on the Interface Module was calculated by
adding 18mA for each relay energized. The max current draw on
the Aux Relay Board was calculated by adding 21mA for each relay
and LED.
Relay Contacts 12-24VAC/DC; 1A (max)
Cable Specifications
RS-485 Cable (between
Reader and Interface
Module)
24 AWG, shielded two-twisted pair telephone cable with
a shunt capacitance of 16pF/Ft.
Maximum of 4000 Ft.
Power Supply Cable 18 AWG – 22 AWG (dependent on distance) stranded.
RX and Door Contact Cable 18 – 22 AWG (dependent on distance) stranded and
shielded.
Lock Input Cable 18 – 22 AWG (depended on distance) stranded.
Wiegand Data Cable (Data 0
and Data 1
18 – 22 AWG (dependent on distance) stranded and
shielded.
LED and Sounder Control
Cable
18 – 22 AWG (dependent on distance) stranded and
shielded.
Mechanical Specifications
Interface Module Dimensions 4” x 6”
Aux Relay Board Dimensions 4” x 6”
Miscellaneous Specifications
Operating Temperature
-35°C to +66°C (-31°F to + 151°F)
Compatible Proximity Cards HID format cards up to 39 bits in length