Telex PS-1 specifications Audiocom Intercom Systems, General Description, Specifications, Telex

AUDIOCOM " INTERCOM SYSTEMS

MODEL PS-1 FLUSH-MOUNT POWER SUPPLY

INSTALLATION AND OPERATION INSTRUCTIONS

GENERAL DESCRIPTION WARNING

The Telex AudiocomT"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 25 belt-pack headset stations. It may also be used as a local power source for speaker stations such as the Telex Model ICQSF.

SPECIFICATIONS

Power Requirements: 105-125 Vac, 50-60 Hz, 30 watts

Output Voltage: 24 Vdc regulated (less than 50 millivolts ripple)

Output Current:

-500 milliamps maximum continuous

-700 milliamps maximum intermittent

-240 milliamps short circuit current limiting

Channel Terminating Impedance (provided by PS-1F):300 ohms t15O/0

Connectors:

-Intercom Channel: Three screw terminals with wire clamps for No. 14-22 AWG stranded or solid wire

-Power: Three wire pigtails

THE PS-IF REQUIRES CONNECTION OF LINE VOLTAGE AND LOW VOLTAGE WIRING IN THE SAME OUTLET BOX. ANY INSTALLATION OF THIS UNIT MUST MEET ALL RELEVANT NATIONAL AND LOCAL ELECTRICAL CODES.

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 connect speaker station ground to the PS-1FSHLD terminal. The remaining CHANNEL terminal on the PS-IF 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-IF in an electrical box using the screws provided with the unit.

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Model PS-IFDimensional Drawing

TELEX.

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TELEX COMMUNICATIONS, INC. 9600 Aldrich Ave. So., Minneapolis, MN 55420 U.S.A.