PS 430 FOUR CHANNEL REMOTE SPEAKER STATION USER MANUAL October 2013 This product is designed and manufactured by: ASL Intercom BV Zonnebaan 42 3542 EG Utrecht The Netherlands Phone: +31 (0)30 2411901 Fax: +31 (0)30 2667373 E-mail: info@asl-inter.com Web: www.asl-inter.
CONTENT OF THIS USER MANUAL 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 GENERAL DESCRIPTION ..................................................... 3 INSTALLATION ...................................................................... 3 FRONT PANEL CONTROLS & CONNECTOR ...................... 3 SIDE PANEL CONNECTORS ................................................ 5 INTERNAL CONTROLS ......................................................... 5 TECHNICAL SPECIFICATIONS PS 430................................
1.0 GENERAL DESCRIPTION The PS 430 is a four channel speaker station designed for use in an ASL intercom system and provides full duplex communications. It incorporates a loudspeaker, a gooseneck microphone and a headset connector. The PS 430 RM model has a small built-in electret mic instead of a gooseneck mic. Each channel has a Volume (listen level) control, a Talk and Call button with LED indicators and a two-stage side tone trimmer. A master volume controls the total speaker/headset volume.
1 LISTEN LEVEL control knobs To preset the listen level for each channel separately (see also #4). o 2 TALK buttons Allow talking to each channel separately or to several channels simultaneously. If a TALK button is switched on, its large green LED is lit. o Momentary switching: If a TALK button is pushed and held, the microphone signal is sent to the referring intercom channel until the button is released.
8 BUZZER VOLUME trimmer This trimmer adjusts the volume of the buzzer, which is located behind the front panel. The buzzer is activated if the CALL button of the PS 430 (or a CALL button of any other station on the party lines to which the PS 430 is connected) is pushed for longer than 2 seconds, provided there is no Buzzer Mute Signal on these party lines coming from a Pro Series master station or separate power supply.
.0 TECHNICAL SPECIFICATIONS PS 430 System dynamic range: 80 dB frequency response: 200 Hz - 13 kHz (-3 dB) call send signal: +2.8 mA call signal threshold (receive): +2.4 V DC operation voltage: 24 - 30 V DC power interrupt time (mic mute): 0.1 sec Intercom Line Impedance: 350 Ω (1kHz), 2.2 kΩ (DC) audio level: nom. -18 dBu, max. 0 dBu Mic. Pre-amps gain: 40 - 60 dB (adjustable internally) presence filter: +6 dB at 5 kHz power to electret mic: +9 V DC Side Tone Rejection: 0 - 30dB adjustable Buzzer max.
8.0 PARTY LINE, TECHNICAL CONCEPT User stations in an ASL intercom system are connected via one or several 'party lines'. A party line offers two way (‘full duplex’) communication and consists of standard microphone (multi-pair) cable. One wire is used as an audio line, one as a power line and the screen of the cable functions as earth/return. Current drive is used for signal transfer.
to a mains outlet with a clean earth. Other audio equipment may be connected to this mains outlet, but avoid using an outlet which also powers dimmer controlled lighting systems. PAGE 8 User Manual PS 430 / October 2013 © ASL Intercom BV .
10.0 EARTHING CONCEPT 11.0 SYSTEM CONFIGURATION PAGE 9 User Manual PS 430 / October 2013 © ASL Intercom BV .
