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1. 4 a ee On the front panel are two D 15 connectors for GP Inputs and GP outputs GPIO 5 8 DIGITAL INTERCOM GP Outputs relay contact normally open Switching Voltage lt 50V DC Max switching current 1A GP inputs non isolated opto coupler activated by internal power source Switch SW1 D connector1 and Switch SW2 D connector 2 set to Non Isolated factory setting GP Inputs isolated opto coupler activated by external power source Set Switch SW1 D connector 1 and Switch SW2 D connector 2 to Isolated External power source 3 3V 48V DC 4 0 DIMENSIONS amp WEIGHT Width 65 mm Depth 155 mm Height 42 mm Weight 90 grams 5 0 SYSTEM DIAGRAM OF THE GPIO S OF A DS 78 INTERFACE GPIO 1 4 GPIO 5 8 O S Gay O O oO ab oj _ Ol 2 oF 2 o3 oll oll g 2 E gt gt Z g g 4 Cc o C cm O T O t lt lt DIGITAL SYSTEM PAGE 3 Quick Guide DS 78 January 2014 ASL Intercom BV GPO 1 8 A it Heron s GPO 1 8 B DS78 GPO schematic Vout 2 i 3 3V fused 250MA i SW1 2 External power supply 3V3 48V gt Vn pin 3 a a a D Z z War War War GPI 1 5 PIN 4 GPI 2 6 PIN 5 GPI 3 7 PIN 6 GPI 4 8 PIN 7 DS78 GPl schematic Isolated use Vout pin 2 lt lt 3 3V fused 250mA Vin pin 3 GPI 1 5 PIN 4 GPI 2 6 PIN 5 lt amp GPI 3 7 PIN 6 GPI 4 8 PIN 7 DS72. Box DS 78 installed in a Matrix Unit After being installed the interface automatically appears in the GPIO screen of the configuration software provided one has selected DS 78 s as sources or destinations DS 78 installed in a DS 700 interface box If the interface is just installed it is found by ticking the SEARCH amp REFRESH button in the INTERFACES screen of the configuration software Once found the interface appears in the List of Interfaces of that screen The interface then also appears in the GPIO screen provided one has selected DS 78 s as sources or destinations The DS 78 does not have properties nor is it to be routed to any group WARNING Before installing or removing an interface module one first has to switch the intercom system off The drawing below shows the rear panel of a DS 4002 matrix unit and the rear panel of a DS 700 interface box e The DS 4002 holds 2 fixed GPIO connectors and one DS 78 interface module with two GPIO connectors e The DS 700 holds two DS 78 s each with two GPIO connectors So in total the system has eight GPIO connectors together providing 32 GP Inputs and 32 GP Outputs DS 4002 M S Matrix Unit DS 700 Interface Box SPIO Interloce Bo Af a Audi terface 4 J N r y i Intercom Line String GE Quick Guide DS 78 January 2014 ASL Intercom BV 3 0 FRONT PANEL CONNECTORS GPIO conn 1 DS 78 GPIO Interface GPIO
3. 8 GPl schematic Non lsolated use 6 0 WARRANTY This unit is warranted by ASL Intercom to the lf the unit is faulty sent in its original packing to Original end user purchaser against defects in the supplier or local ASL dealer with shipping workmanship and materials in its manufacture for prepaid A note must be included stating the a period of 12 months from date of shipment to faults found and a copy of the original suppliers the end user Faults arising from misuse INVOICE modifications or accidents are not covered by this warranty PAGE 4 Quick Guide DS 78 January 2014 ASL Intercom BV
4. DIGITAL INTERCOM DS 78 GPI O INTERFACE MODULE QUICK GUIDE January 2014 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 1 0 INTRODUCTION On the front panel of a DS 78 interface module are two D 15 connectors holding in total 8x General Purpose Outputs and 8x General Purpose Inputs The GP Inputs can be used Non Isolated factory setting or Isolated With one or several of DS 78 s one may increase the amount of GPIO s of your intercom system should the amount of GPIO s on the matrix units in your system not be sufficient See example in section 2 The DS 78 can be installed in an interface slot at the rear panel of a Matrix Unit or a DS 700 Box and takes 1 user position For routing GPO s and GPI s see the ASL Digital User Manual chapter D4 9 2 0 UNPACKING amp INSTALLATION After unpacking the DS 78 please inspect for any physical damage to the unit and retain shipping carton and relevant packing materials for use should the unit need returning If any damage has occurred please notify your dealer so that a written claim can be initiated Please also refer to the warranty section of this quick guide The DS 78 may be installed in one of the interface slots of a DS 4000 4002 Master or Slave Matrix Unit or of aDS 700 Interface
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