Model No.: Model DH2204F Fire Telephone Sub-station
Applicable Standards: GB 16806-2006, GB 3380, GB/T 15279-2002
Operating Voltage: 18~24V (off-hook talking)
Operating Current: 0mA (monitoring), <15mA (off-hook talking)
Indication: Red LED off when on-hook; Red LED steady on when off-hook
Wiring Mode: Non-polar Two-wire Bus (L1, L2)
Dimensions: 206mm × 58.5mm (with base)
Mounting Height: ≤1.5m
