Fire emergency telephone

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Fire Telephone Extension

DH9901E

Product features

Executive standard: GB 16806-2006, GB 3380, GB/ T 15279-2002

Operating voltage: DC24V (pulse width modulation)

Working current: monitoring state<0.5mA, communication state <12mA

Work instruction: the red indicator for monitoring status flashes once every 5 seconds, and when flash-hook bounces, set the local address indicator to normally on; under host calling state, the extension’s ringing indicator is off, the non-ringing indicator is on, and the address invalid indicator flashes twice continuously every 5 seconds.

Wiring method: polarity-free two-bus system (L1, L2)

Coding mode: field coding is carried out by a dial switch, and the address codes 1 to 99 are optional.

Overall dimensions: 206mm long, 58.5 mm wide (with base)

Installation height: ≤ 1.5m

Technical Parameters:

Executive standard	GB 16806-2006, GB 3380, GB/ T 15279-2002
Operating voltage	DC24V (pulse width modulation)
Working current	monitoring state<0.5mA, communication state <12mA
Work instruction	the red indicator for monitoring status flashes once every 5 seconds, and when flash-hook bounces, set the local address indicator to normally on; under host calling state, the extension’s ringing indicator is off, the non-ringing indicator is on, and the address invalid indicator flashes twice continuously every 5 seconds.
Wiring method	polarity-free two-bus system (L1, L2)
Coding mode	field coding is carried out by a dial switch, and the address codes 1 to 99 are optional.
Overall dimensions	206mm long, 58.5 mm wide (with base)
Installation height	≤ 1.5m