Pelco C538M manual General Features, Pelco Manual C544M 2/98, VCR Hook-upParameters

2.1 GENERAL FEATURES

The Pelco 9760-IRC is housed in a rack frame and connects to one Sercom port on the rear of the CM9760-CC1.

•A fully populated Pelco 9760-IRC unit consists of the following:

a.One communication card (interfaces with CM9760-CC1)

b.Four VCR control cards

•Each control card controls:

a.Up to 32 VCRs

b.Up to four different VCR brands and/or models

•Up to 128 VCRs can be controlled by one unit.

•Up to 16 IRC units can be linked in sequence (that is, daisy-chained) giving control of up to 2,048 VCRs (refer to Figure 2)

The control cards accept messages from the CM9760-CC1 in the same manner as a normal GPI (General Purpose Interface) relay card.

VCR control signals are transmitted by infrared control cable (IR control cable) attached to the VCR.

128 VCRs

ANOTHER

128 VCRs

UP TO 16

UP TO TOTAL OF

2,048 VCRs

Figure 2. VCR Hook-up Parameters

Pelco Manual C544M (2/98) 5