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LTM-DV4X1

Vertical Interval 

IEEE 1394 DV Switcher

LTM-DV4X1 User Manual

CE

© 2003 Laird Telemedia.

Содержание LTM-DV4X1

Страница 1: ...LTM DV4X1 Vertical Interval IEEE 1394 DV Switcher LTM DV4X1 User Manual CE 2003 Laird Telemedia ...

Страница 2: ...tact closure GPI input or by an RS 232 serial communication The LTM DV4X1 isolates the output from the inputs Each input does not see any of the other inputs nor does it see the output and in turn is not seen by its Host as a device Consequently only the DV stream is switched and commands are not passed through by the output to any of the inputs Each input DV stream is assumed to be on channel 63 ...

Страница 3: ...n connectors Node device is camera Isochronous default channel 63 Note Isochronous operating channel can be changed by a Host device SWITCHING RESPONSE TIME 2min 3max frames FRAME RATE LOCKING RANGE 500ppm FRAME RATE LOCKING RESPONSE TIME 16 frames max CONTROL GPI max voltage 10V POWER Input current at 12V 0 22A typical Input current at 7V 0 39A typical Max input voltage 24VDC Min input voltage 6V...

Страница 4: ...her IEEE 1394 Output Connector One 6 pin connector that does not supply power The isochronous data video stream is transmitted on channel 63 RS 232 Connector Provides a means of controlling the switch remotely from a PC Multiple devices can be controlled by a single PC with the addition of the Serial Cable Adapter GPI Connector An input where a contact closure will cause the selection of the next ...

Страница 5: ... 898 0759 845 339 9555 2000 Sterling Road Mount Marion NY 12456 www lairdtelemedia com Page 4 LTM DV4X1 Vertical Interval IEEE 1394 DV Switcher PC as Controller NLE DV VTR YUV SINGLE SWITCHER CONFIGURATION ...

Страница 6: ...ing Road Mount Marion NY 12456 www lairdtelemedia com Page 5 LTM DV4X1 Vertical Interval IEEE 1394 DV Switcher PC as Controller YUV MULTIPLE SWITCHERS IN 10X1 CONFIGURATION Serial Cable Adapter Switcher 1 Switcher 2 Switcher 3 NLE DV VTR ...

Страница 7: ...t The consequence of the phasing difference is a variable time delay between the output and the switched input The range of time delay is from 0 3 to 1 0 frame Closing the contact at the GPI connector will cause the switch to advance the input one count from 1 to 4 and rolling over back to 1 The equivalent circuit of the input is shown below The trailing edge switching to ground is detected and th...

Страница 8: ...nected in the following manner the control cable goes from the controller to an adapter and to 4x1 switch A The next serial cable goes from the adapter at switch A to a second adapter which is connected to 4x1 switch B Lastly a third serial cable connects to 4x1 switch C Next the following sequence of characters are sent 1 2 3 4 CR After the controller sends CR 4x1 switches A B and C will display ...

Страница 9: ...in overheating 5 Do not clean the unit by using electrically conductive or corrosive chemicals Always be certain to unplug the unit from AC wall power before any major cleaning Use a damp cloth only for cleaning 6 Do not subject the product to electrical mains power over voltage The product must be used at the rated supply voltages indicated on the product rear panel only 7 Do not plug the product...

Страница 10: ...2000 Sterling Road Box 720 Mount Marion NY 12456 800 898 0759 845 339 9555 Fax 845 339 0231 www lairdtelemedia com ...

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