Detailed Product Description

      Fire Telephone Master Station                              

      Bus-system Fire Alarm Telephone Exchage        

      

       Large LCD, backlight display, double bus system, HWE-Bus control, 99 address set up inspection.

• Double-bus system.
• 2U high degree of panel, simple and generous.
• Touch key, digital keyboard, humanized operation.
• Troubleshooting of the extension, manual test, acoustic-optic alarm of fault.
• Mutual calling and communication between the main set and extension.
• Through HD352 connected with the local call, 119 automatic dial function.
• Through HD362 can achieve more main set call the extension and communication, can be composed of multi-network operator of integrated communication system, especially suitable for large-scale construction of buildings and fire communications   .
• 20 minutes automatically recording and 100 incidents recorded.
• Can be set up call forwarding, transferred to the control center, line of fire or other main set, realize of the work unattended.
• Reserved for users with different fire controller for joint top of the RS485 communication port.

Main performance

Content	Parametric
Frequency response	300~3400Hz ( ± 3dB)
Transmission fading	≤ 5dB
Non-balanced noise electrical level	≤ -35dB
Mode of control signal	DTMF
Electrical level for sending	0 dB ± 2 dB
Electrical level for receiving	-15dB 4dB
Maximum band number	99
Recording duration	2 minutes or more (at the subscriber's option)
Rated Voltage	24V ± 15
Electric current	Stand-by state: ≤ 200mA Full-load current: ≤ 1A ( when the bus is fully loaded)
Power supply current of bus	≥ 1A
Length of bus	RVS 2.5mm 2 line, equally distributed 99 sets of wall hole socket with address (no auxiliary power supply): 1.2km
Temperature of operating environment	0 40
Storage temperature	-25 55
Relative humidity of operating environment	≤ 90 RH
Overall dimension	482.6mm × 100mm × 88mm (2U)
Weight	3.7kg