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Summary of Contents for Riedel ASL Intercom PS 279
- Page 1 PS 279 DUAL CHANNEL MASTER STATION USER MANUAL August 2016 This product is designed and manufactured by: ASL Intercom B.V. 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.com...
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Page 2: Table Of Contents
CONTENT OF THIS USER MANUAL SAFETY INSTRUCTIONS ................ 3 GENERAL DESCRIPTION PS 279 ............4 MAINS POWER ..................4 MECHANICAL INSTALLATION..............5 FRONT PANEL CONTROLS AND CONNECTOR ........5 REAR PANEL CONTROLS AND CONNECTORS ........6 7.0 INTERNAL CONTROLS ................7 8.0 TECHNICAL SPECIFICATIONS ............... -
Page 3: Safety Instructions
SAFETY INSTRUCTIONS Please always follow these instructions to help ensure against injury to yourself and/or damage to the system Read all safety and operating instructions Insert the plug properly. Do not defeat the before you operate the apparatus. safety purpose of the polarized or grounding type plug. -
Page 4: General Description Ps 279
GENERAL DESCRIPTION PS 279 The PS 279 (19”/1RU) is designed to be a dual comfortable even in environments with a high channel master unit in an ASL intercom system. background noise level. Each channel has a Volume (listen level) control, a TALK and a CALL button with LED indicators The unique CALL system provides both a flashing and a side tone trimmer. -
Page 5: Mechanical Installation
MECHANICAL INSTALLATION A vertical rack space of 1U (1.75” / 44,5 mm) is Forced cooling is not required. required for the PS 279. It is not necessary to provide rear support by extra bracing or shelving. The power supply is mounted on the bottom of the Adequate ventilation must be provided by allowing PS 279. -
Page 6: Rear Panel Controls And Connectors
SIDE TONE trimmers CALL buttons A & B To adjust the level of one’s own voice as heard in To activate the CALL system. A momentary push one’s headset. Adjustment procedure: sends a visual Call signal to all stations connected to the referring intercom channel and set the trimmer in start position: fully the Call LEDs start flashing. -
Page 7: Internal Controls
A & B LINE connectors (XLR-3) To connect the PS 279 to remote stations via the MAINS INLET intercom party lines. There are 2 connectors for IEC Mains connector each channel. Pin assignment: Pin 1: 0V / ground shield Pin 2: +30V power. Pin 3: audio wire FUSE This fuse protects the PS 279 against severe GROUND LIFT switch... -
Page 8: Party Line, Technical Concept
PARTY LINE, TECHNICAL CONCEPT User stations in an ASL intercom system are This principle has three advantages: connected via one or several 'party lines'. A party line the use of a single audio line allows several offers two way (‘full duplex’) communication and stations to talk and listen simultaneously ... -
Page 9: Earthing Concept
11.0 EARTHING CONCEPT 12.0 PS 279 BLOCK DIAGRAM PAGE 9 User Manual PS 279 / August 2016 © ASL Intercom BV... -
Page 10: Possible System Configuration
13.0 POSSIBLE SYSTEM CONFIGURATION PAGE 10 User Manual PS 279 / August 2016 © ASL Intercom BV...
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