August 27, 2020 | Leave a comment $250.00 Telex PS-31 Intercom Power Supply- USED quantity Add to cart Add to Quote This product is already in quote request list Browse the list SKU: 20424 Categories: Audio and Intercom, Intercom and Intercom Accessories, Used Description Request Info Description GENERAL The Model PS31 supplies 32 volts regulated DC power to each of three intercom channels. It has short circuit and thermal overload protection, with automatic recovery when the fault is removed. FEATURES Program Input There is a PROGRAM INPUT connector on the rear panel. A CHANNEL ASSIGN switch on the front panel assigns the program to any of the three channels. A LEVEL control adjusts the program level to the intercom channel. Input Power The PS31 is available in two versions: one for 115 VAC operation and one for 230 VAC operation. A simple internal modification changes the operating voltage for 100 VAC or 200 VAC. A POWER on/off switch is provided on the front panel. Intercom Channel Connections Intercom channels are connected to the rear panel of the PS31. A variety of connector pin-outs is provided to accommodate individual system requirements. Impedance Selection The PS31 provides the required channel terminating impedance for each channel. A 200/400 ohm IMPEDANCE SELECT switch for each channel is located on the rear panel. These switches are set to 200 ohms for normal operation. The 400 ohm setting permits two PS31’s to be coupled to double the DC capacity of the system. MECHANICAL INSTALLATION The Model PS31 can be rack mounted or used free standing. The rack mount is a standard 19-inches wide by 3.5-inches high. Allow room for cable connections. https://products.rtsintercoms.com/binary/PS-31%20User%20Manual.pdf Product Inquiry Form Name* First Company*Phone*PhoneEmail* Message*How did you hear about us?*How did you hear about us?GoogleSocial MediaReferred by a FriendReturning CustomerOtherOther - DescriptionCAPTCHA Related products Sony MDR-7506 $40.00 Add to cart Clear-Com RS-601 Beltpack Call for Price Read more RTS EKP-32 Expansion Panel- USED $550.00 $350.00 Add to cart Beyerdynamic DT-109 Dual Muff Headset- USED $95.00 Add to cart