Specifications
9
TABLE 5. Electrical Specifications
Indicators and Switches Notes
LED for power, high temp, fire, fan
failure
Relay outputs are available for tie-in to
spare inputs.
LCD for diagnostics
See “GCM Diagnostic Display
Selections” on page 39.
TABLE 6. Communication to Doors
Communication to
Doors
Communications Bus RM bus, separate run to each door
Communications Type RS-485 half duplex, two-wire, plus optional
two wires for reader power
Maximum Distance to Door 1,219 m (4,000 ft.)