Audiocom PS-1F Installation Instructions

MODEL PS-1F POWER SUPPLY

GENERAL DESCRIPTION

The Telex Audiocom™ Model PS-1F Power Supply
mounts in a standard two-gang electrical outlet box.
It may be used to power a single intercom channel
containing up to 5 belt-pack headset stations. It
may also be used as a local power source for
speaker stations such as the Telex Model IC-2SF.

SPECIFICATIONS

Power Requirements:
Output Voltage:
Output Current:
Channel Terminating
Impedance
(provided by PS-1F):
Connectors:
Intercom Channel:
Power:
12000 Portland Avenue South • Burnsville, Minnesota 55337 • USA • 1-800-392-3497 (phone) • 1-800-323-0498 (fax)
38109-313 Rev B

INSTALLATION INSTRUCTIONS

105-125 VAC, 50-
60Hz, 30 Watts
24 VDC regulated
(less than 50 milli-
volts ripple)
- 500 milliamps
maximum continuous
- 700 milliamps
maximum continuous
- 240 milliamps short
circuit current
limiting
300 ohms ±15%
Three screw termi-
nals with wire clamps
for No. 14-22 AWG
stranded or solid
wire.
Three wire pigtails.

WARNING

THE PS-1F REQUIRES CONNECTION OF
LINE VOLTAGE AND LOW VOLTAGE WIR-
ING IN THE SAME OUTLET BOX. ANY IN-
STALLATION OF THIS UNIT MUST MEET
ALL RELEVANT NATIONAL AND LOCAL
ELECTRICAL NEEDS.
INSTALLATION
1. AC power should be supplied from a circuit
protected by a service fuse or circuit breaker
with a maximum rating of 15 amps. Connect
AC power to the black and white leadwires;
connect ground to the green wire.
2. To power an intercom channel: Connect the
intercom channel to the CHANNEL terminals,
and connect intercom DC return to the SHLD
terminal.
To locally power a speaker station: Connect the
speaker station positive terminal to either one
of the PS-1F CHANNEL terminals, and con-
nect speaker station ground to the PS-1F
SHLD terminal. The remaining CHANNEL
terminal on the PS-1F is not used. On the
speaker station, be sure to remove the jumper
installed between the +24 and PH terminals.
(This jumper is used only when the speaker
station is phantom powered from the intercom
channel.)
3. Mount the PS-1F in an electrical box using the
screws provided with the unit.
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