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The Aiphone TD-H Series TD-3HL 3-Call Audio Master Station Handset is a selective call intercom with call LED and tone-off switch. The red Call LED on the top front of the unit is activated only when the unit is receiving an incoming call signal. The tone-off switch at the bottom of the unit allows the user to turn on or off the standard call tone any time. The LED will light regardless of the tone switch position. This handset intercom is suitable for applications where silent signaling or visual indication of an incoming call is required, such as radio stations or sound booths, places of worship, courtrooms, and judicial offices.
3-call handset intercom with call LED and tone-off switch
Selective calling with visual indication
Red LED lights to indicate an incoming call
Tone-off switch mutes call tone
Tone can be in the on or off position
Up to 2 door stations and paging zones can be added to the TD-HL system
Different sized units can be combined in the system to meet communication needs
Suitable for installation in radio stations, sound booths, places of worship, courtrooms, and judicial offices
Table of Contents
12V DC, provided from system power supply PS-1225UL (available separately)
Call tone and LED, or LED only
Tremolo tone or mute with switch
Via handset, semi-private
7-conductor, 2 common + 1 individual wire per station 3 common with door station
Between TD-H Stations: 2,000.0' (609.6 m) with 22 AWG wire 4,800' (1,463 m) with 18 AWG wire
DE-UR to Door: 500.0' (152.4 m) with 22 AWG wire 1,200.0' (365.8 m) with 18 AWG wire
Surface mount to 1-gang box or ring Desk mount with TDW-1 Desktop Terminal Box (available separately)
Maximum Power Consumption
70 mA per station
Dimensions (H x W x D)
8.25 x 4.00 x 2.88" (209.55 x 101.60 x 73.03 mm)
Aiphone TD-H Series TD-3HL 3-Call Audio Master Station Handset with Call LED & Tone-Off Switch Review