EMC-60 User Guide
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9 Specifications
Elevator Wiring
Requirements:
One shielded pair of communication cable,
minimum 24AWG, with the shield preferably
grounded only at the controller end of the traveling
cable.
Phone Line Requirements: Standard analog loop start voice grade telephone
line or PBX with DTMF pass-through.
AC/DC Transformer (supplied)
120V AC, 60 Hz input; 15V DC, 400 mA output
Other power supply options are possible from 9-24VAC or 13-30VDC
within regulated limits of safety (e.g. class 2)
Backup Power
(Used if AC power is cut off)
9V/250 mAh rechargeable NiMH battery. Replace
every 5 years or as required.
Maximum number of units in
parallel if required to answer
incoming calls:
6 sharing the same phone line.
Maximum number of units in
parallel if not answering
incoming calls:
No theoretical limit if "Auto Answer" is turned off but
multiple phone lines are recommended if more than
10 phones connected
On-hook Phone Line Voltage 15V – 55V (nominal 48V DC)
Off-hook Phone Line Voltage 5V – 10V (nominal 6V DC)
On-hook Power Required 0 mA
Off-hook Loop Current 6 mA – 80 mA (nominal 40 mA)
LED (call progress) Operating voltage 1.7V – 2.1V
Operating current 10 – 25 mA
Microphone Unidirectional electret condenser
Frequency range 100 Hz – 12 kHz
Ringing Voltage 40V – 130V AC
Operational Loop Resistance 600 Ω
Operating Range 0 – 60°C
Ringer Equivalence (REN) 0.1B
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