Guardian Access Control Keypad technical specifications

• Exterior hood dimensions - aluminum
  9" wide x 8" tall x 4" deep
• Exterior hood dimensions- polycarbonate
  10.5 " wide x 10" tall x 3.5" deep
• Magnetic card reader dimensions - aluminum
  4.75" wide x 2" tall x 2" deep
• Magnetic card reader dimensions - polycarbonate
  Integrated into house.
• Magnetic card reader head lifetime
  300,000 card swipes
• Communication protocol
  9600 BPS over RS485
• Operational temperature range
  -17C to 120C
• Operational voltage
  12Vdc

• Maximum current draw
  1000mA with display @ 12Vdc
• 5AMP main power resettable overload fuse
  Resettable – maintenance free
• Grounding Requirements
  #12 or thicker solid copper wire between the Earth Ground of the Surge Board and a driven ½” or thicker copper grounding rod.
• Terminal Block Style
  Removable
• Identification Method
  Addressable DIP switches
• Main Relay
  NO: 15A/120VAC, 12A/28VDC
  NC: 12A/120VAC, 12A/28VDC
• Firmware Updates
  Remotely or via a serial update module

Recommended Cabling

Topology – Guardian keypads can be run in any topology, including daisy chained, home run or star

Data cable: Up to 2500’ - 18 gauge, 2 conductor, stranded wire with overall shielding
Power cable: 18 gauge, 2 conductor, stranded wire. Runs should be less than 150' from the power source
Relay: 18 gauge, 2 conductor, stranded wire.
Bypass switch (optional): 18 gauge, 2 conductor, stranded wire.
Pinhole Camera Data: RG-59 coax cable for data up to 750'. RG-6 for longer runs.
Pinhole Camera Power: 18 gauge, 2 conductor, stranded wire. Runs should be less than 150' from the power source.

Do not combine power for the keypad and camera. These should always be run from separate power supplies or channels on a power panel.

Please see the Guardian Access Control System manual for complete installation instructions