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C1555M-F (10/05) 13
VIDEO INPUT/OUTPUT CONNECTIONS
The following steps provide an overview of how to connect video input and output sources. More complete procedures are provided in the
subsequent sections.
1. Install the CM9770-VCC and CM9770-VMC cards in the matrix bay. Refer to the
Installing Video Input Cards (CM9770-VCC)
section and the
Installing Monitor Output Cards (CM9770-VMC)
section in the following pages.
2. Slide the CM9770-RPC and CM9770-RPM BNC rear panels into the appropriate slots from the back of the matrix bay. Refer to the
Insert or
Replace a Rear Panel Video BNC Card (CM9770-RPC)
section and the
Insert or Replace a Rear Panel Monitor BNC Card (CM9770-RPM)
section in the following pages.
3. Before you connect any video input or output to the matrix bay, you may want to power up the unit to ensure that the system is operating
properly. Refer to the
Performing a Basic LED Check
section.
4. Connect video inputs and monitor outputs to the rear panel BNC connectors on the CM9770-MXB matrix bay unit(s).
Installation Tips
• Be sure each connection is secure. For best results, use crimp-on BNCs only. Do not use screw-on BNCs; these typically do not provide
adequate ground and signal connections.
• Label each video input; this can save a considerable amount of troubleshooting time in the future.
• Video output from the CM9770-VMC cards is not terminated. Terminate the video signal at the output device (monitor or VCR). If you are
looping to other devices, unterminate all but the last device.
Opening the CM9770-MXB Front Cover
To install or remove a video input card, monitor output card, or power supply, you must first open the CM9770-MXB front cover.
1. Loosen the two screws at the top of the CM9770-MXB frame.
2. Pull the front cover towards you. The hinges at the bottom keep the cover attached to the frame.
3. When you are finished working with the interior components, close the cover and tighten the screws at the top of the frame.
NOTE:
If your System 9770 is configured by Pelco, the appropriate number of video input cards and monitor output cards and BNC rear
panels are installed at the factory, and steps 1 and 2 are not necessary. If this is the case, skip to Step 3.
NOTE:
The end point of any video cable run must be terminated in 75 ohms.
NOTE:
Although the CM9770-MXB will function properly with the front cover open, the front cover must remain closed during system
operation to meet safety standards.