Videotec SM84A Manuel D'instructions page 41

INDEX
1 INTRODUCTION .......................................................................................................................................................3
1.1 Contents of the package .....................................................................................................................................3
1.2 Contents of this Instruction Manual.....................................................................................................................3
1.3 Typographical conventions .................................................................................................................................3
1.4 Safety rules .........................................................................................................................................................4
1.5 Identification data ................................................................................................................................................4
2 SM84A / SM164A MATRIX DESCRIPTION .............................................................................................................5
2.1 Specifications ......................................................................................................................................................5
2.2 Connectable devices...........................................................................................................................................5
3 INSTALLATION ........................................................................................................................................................6
3.1 Preliminary operations ........................................................................................................................................6
3.1.1 Opening the package.....................................................................................................................................................6
3.1.2 Checking the markings ..................................................................................................................................................6
3.2 Installation example ............................................................................................................................................6
3.2.1 Cables............................................................................................................................................................................7
3.3 Switching on and off............................................................................................................................................7
3.4 Configuration .......................................................................................................................................................8
3.4.1 Opening and closing ......................................................................................................................................................8
Dip switches and jumper.........................................................................................................................................................8
3.4.3 Inserting the load on the AUX line..................................................................................................................................9
3.4.4 Setting 75 Ohm video input termination .........................................................................................................................9
3.5 Connectors and connections.............................................................................................................................10
3.5.1 Connectors on the back of the matrix ..........................................................................................................................10
3.5.2 DB25 pin configuration.................................................................................................................................................10
3.5.3 Connections for alarm management ............................................................................................................................11
3.5.4 Connecting the matrix to the peripherals .....................................................................................................................11
4 MATRIX OPERATING FEATURES ........................................................................................................................15
4.1 Video input management ..................................................................................................................................15
4.1.1 Automatic switching sequences ...................................................................................................................................15
4.1.2 Day and night automatic switching sequences ............................................................................................................15
4.1.3 Manual selection ..........................................................................................................................................................15
4.1.4 Using the Inc/Dec keys ................................................................................................................................................15
4.1.5 Output video dedicated to the VCR..............................................................................................................................15
4.2 Alarms ...............................................................................................................................................................16
4.2.1 Alarm contact types .....................................................................................................................................................16
4.2.2 Alarm types ..................................................................................................................................................................16
4.2.3 Alarm condition reset ...................................................................................................................................................17
4.2.4 Alarm recognition enabling ..........................................................................................................................................17
4.3 Actions on alarms..............................................................................................................................................18
4.3.1 Action to switch videos.................................................................................................................................................18
4.3.2 Action to reposition telemetry.......................................................................................................................................18
4.3.3 Changing the actions ...................................................................................................................................................18
4.4 Excluding video inputs ......................................................................................................................................19
4.4.1 How to exclude the video inputs ..................................................................................................................................19
4.5 Auxiliary line ......................................................................................................................................................21
4.5.1 Control keyboard configuration ....................................................................................................................................21
4.5.2 Video multiplexer control..............................................................................................................................................21
4.5.3 Telemetry receiver control and domes.........................................................................................................................21
4.6 Telemetry protocol ............................................................................................................................................22
4.6.1 Configuring the dome...................................................................................................................................................22
4.6.2 Configuring the switcher/matrix....................................................................................................................................22
4.6.3 Configuring the keyboard.............................................................................................................................................22
4.7 Telemetry transmission over coaxial cable .......................................................................................................23
4.8 PC connection ...................................................................................................................................................23
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