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108 C1572M (9/05)
DOWNFRAMING TO THE CM9760-MXBL
When more than 128 video inputs and a maximum of 16 video outputs are required in a system that also requires looping, the CM9760-MXBL
must be used to loop out the video. The CM9760-MXBL is a downframed matrix bay that does not require power. The CM9760-MXBL
accommodates up to sixteen CM9760-DFL cards to loop out video. Note that front panel video input and output cards are not used in the
CM9760-MXBL.
Figure 59 illustrates a sample CM9760-MXBL downframe configuration containing a total of 256 video inputs and 16 video outputs.
Figure 59. Downframing to CM9760-MXBL Example: 256 Video Inputs and 16 Video Outputs (256 x 16)
For additional examples of CM9760-MXBL downframe configurations, refer to Appendix B.
CM9760-MXB
CM9760-MXBL
16 1
RPC
DFL
CAM 1 LOOP-OUT
CAM 16 LOOP-OUT
241 1
SUPPLIED
DOWN-FRAMING
CABLES 16X RIBBON
SYSTEM LOOPED
OUTPUTS ARE NOT
TERMINATED
Alarm
Black
Out
RS-422
RS-422
Alarm
Black
Out
RS-422
RS-422
CAMS
1-256
CAMS
1-256
OUT