Pelco C1572M Manuel d'utilisateur télécharger pdf (Page 47)

46 C1566M-C (10/05)

Downframe Card

When you are downframing video, each downframed bay must be populated with CM9780-DFC cards.

Set the termination jumpers in the unterminated position in each bay that is not the ﬁnal device. Terminate the video signal at the ﬁnal point in

the downframe conﬁguration, which could be either of the following:

• If you are not looping video out from the ﬁnal bay, terminate the video in the ﬁnal bay.

• If you are looping video to another device (such as a DVR, VCR, or switcher), terminate the video signal at the ﬁnal device.

Figure 36. Downframing with the CM9780-DFC Card

When you are downframing video, two DFC cables are provided with each CM9780-DFC card.

Figure 37. DFC Cable

INPUT FROM BAY ABOVE

(CONNECTOR A)

INPUT FROM BAY ABOVE

(CONNECTOR B)

OUTPUT TO BAY BELOW

(CONNECTOR A)

OUTPUT TO BAY BELOW

(CONNECTOR B)

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Pelco C1572M Manuel d'utilisateur Page 47

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