Datapath VisionSwitch - Manual (Page 13)

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The video signal is connected to the VisionSwitch using a 16-way splitter cable (provided). The
cable consists of 16 BNC sockets connected to a 26-way D plug.
The D plug should be connected to the Input socket on the back panel of the Vision Switch. The
Input socket is the top socket. Each BNC socket is labelled to show the video input channel
number. i e. 1
– 16.
The bottom D-connector located on the back panel is only used if
outputs from the VisionSwitch are to be monitored, normally this would not be required if the
VisionSwitch is used in conjunction with iH4 cards.
The VisionSwitch can also be used as a stand alone, general purpose video switch. When used
this way a second splitter cable is required to channel the video outputs from the Vision Switch.
The sockets on the back panel of the card are identical; therefore the same type of splitter cable is
used for both.
VisionSwitch Jumper Links
There are a number of jumper links located on the face of the VisionSwitch card. Links 1 – 36 are
user selectable.
The user links provide the following functions:
Links 1 to 16
Selects 75ohm termination for the video inputs. LK1, when fitted terminates video input channel 1.
The links 2
– 16 provide termination for channels 2 – 16.
Links 17 to 32
Selects 75ohm termination for the video outputs. LK17 when
fitted terminates video output channel 1. The links 18
– 32 provide termination for outputs 2 to 16.
Links 33 to 36
These links are always fitted when using a single VisionSwitch card.
All cards are shipped with all links (1 – 36) fitted.