Audiocom PS-1F User manual

38109-313 Rev B 12/20004
MODEL PS-1F POWER SUPPLY
INSTALLATION INSTRUCTIONS
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: 105-125 VAC, 50-
60Hz, 30 Watts
Output Voltage: 24 VDC regulated
(less than 50 milli-
volts ripple)
Output Current:- 500 milliamps
maximum continuous
- 700 milliamps
maximum continuous
- 240 milliamps short
circuit current
limiting
Channel Terminating
Impedance
(provided by PS-1F): 300 ohms ±15%
Connectors:
Intercom Channel: Three screw termi-
nals with wire clamps
for No. 14-22 AWG
stranded or solid
wire.
Power: Three wire pigtails.
WARNING
THE PS-1F REQUIRES CONNECTION OF
LINE VOLTAGEAND LOW VOLTAGE WIR-
ING IN THE SAME OUTLET BOX. ANY IN-
STALLATION OF THIS UNIT MUST MEET
ALLRELEVANT NATIONALAND 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.
Telex
®
12000 Portland Avenue South • Burnsville, Minnesota 55337 • USA • 1-800-392-3497 (phone) • 1-800-323-0498 (fax)

38109-313 Rev B 12/20004
Model PS-1F Dimensional Drawing
4.5 IN.
(114 MM)
4.6 IN.
(117 MM)
3.281 IN
(495.3 MM)
4.6 IN.
(117 MM)
1.812 IN.
(46.024 MM)
2.3 IN.
(58 MM)
2.3 IN.
(58 MM)

38109-313 Rev B 12/20004
SERVICE INFORMATION
FACTORY SERVICE
All Audiocom equipment returns must be sent
prepaid. Telex will not accept collect shipments.
The following information must accompany all
equipment returned for repair.
IN-WARRANTY REPAIRS
1. Your name, address and telephone number.
2. Purchaser’s name and address (if different
from above).
3. Copy of proof of purchase (keep your original).
4. Model and serial numbers (or date codes).
5. A complete description of the problem.
NON-WARRANTY RETURNS:
1. Your name, address and telephone number.
2. Model and serial numbers (or date codes).
3. A complete description of the problem.
All equipment repaired in-warranty by Telex will
be returned prepaid by Telex.
If requested, an estimate will be sent before repair-
ing non-warranty equipment. This is a guaranteed
estimate - final charges will not exceed what is
quoted. If payment is sent along with your esti-
mate approval, COD charges will be avoided;
otherwise, equipment will be returned to you
C.O.D.
FACTORY SERVICE ADDRESS:
Service Department
Telex Communications, Inc.
West 1st Street
Blue Earth, MN 56013 USA
CUSTOMER ASSISTANCE
Customer Service Department
Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, MN 55337 U.S.A.
Telephone: [phone]
Fax: [phone]