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Aiphone LEF-LD: Long Distance & Elevator System

long distance, elevator intercom, aiphone, aiphone intercom system The Aiphone LEF-LD System is designed with the capability to operate at greater distances and for use in elevators. This two-way communication system is designed with the capability to operate at distances up to 4,000’ away from the master station or located in elevators. The remote stations can call to master with a momentary electronic tone and a LED that remains lit for 20 seconds. The press-to-talk communication at the master makes it hands free at remote station. The system can have from 11 to 80 stations with LAF-C/CA-LD system and is available in 3, 5 and 10 station sizes. The sub stations are available in either surface or flush mount styles and each remote uses a simple 3 conductors wiring. Any LEF, LAF-C/CA, or LDF master station can be modified for Long Distance.

Features:

  • Available in 3, 5 and 10 station sizes
  • Systems from 11 to 80 stations with LAF-C/CA-LD system
  • Surface mount (LEF or LAF-C/CA)) or semi-flush mount (LEF-C)
  • Remote stations call to master with momentary electronic tone and LED, remaining lit for 20 seconds
  • Press-to-talk communication at master, hands free at remote station
  • Flush mount (IE-JA-LD), or surface mount (IF-DA-LD) remote stations
  • Simple wiring: 3 conductors to each remote

Specifications
Power Source 12V DC, 300mA per station. *Use PS-1225UL power supply.
Communication Subs call in with call tone and LED, 20 sec.
Depress station button with lit LED. Press to talk, hands free reply.
No LED annunciation between masters.
Hands free reply from responding master.
*800mW receive at 20ohms. 500mW transmit at 20ohms.
Calling Mono-electronic tone while call button is pressed, plus LED for 20 seconds.
Wiring 2 common wires plus 1 individual wire per sub station.
Use Aiphone #822203 (homerun)or #822210 for up to 8 stations (looped).
Wiring Distance 2,000’ with 22AWG; 4,000’ with 18AWG.
Mounting Desk or wall mount.
Dimensions
(H x W x D)		 LEF-3-LD: 7-1/16" x 5-5/8" x 2-3/16" LEF-3C-LD: 8-1/4" x 6-1/8" x 1-3/8".
LEF-5/10/10S-LD: 8-1/8" x 7-1/2" x 2-3/16" LEF-5C/10C-LD: 9-7/16" x 7-7/8" x 1-3/8".
LAF-20C-LD: 5-1/2" x 13-5/8" x 10-1/4" LAF-20CA-LD: 5-1/2" x 17-9/16" x 10-1/4".

System Layout:

long distance, elevator intercom, aiphone, aiphone intercom system