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8 Pelco Manual C544M (2/98)
3.1.1 Setting the Baud
Bauds of 2400, 4800, 9600, and 19200 are available. The communication protocol
uses eight data bits, one stop bit, and even parity.
The baud is set using DIP switches 1 and 2 according to Table A.
NOTE:
The operating baud must
match the baud rate set in the .SCP
Communications File for the
CM9760-CC1.
Table A. Baud Settings
DIP Switch 2 DIP Switch 1 Baud
ON ON 2400
ON OFF 4800
OFF ON 9600
OFF OFF 19200
3.2 CONTROL CARD
The CM9760-IRC can have up to four control cards installed.
Each control card has four microprocessors.
Each microprocessor controls two DB9 output connections.
Each DB9 output controls up to four VCRs (refer to Figure 6).
This enables one Pelco CM9760-IRC to have infrared control of 128 VCRs (that is,
four control cards multiplied by four microprocessors per card multiplied by two
DB9 outputs per microprocessor multiplied by four VCRs per DB9 output equals
128 VCRs).
Figure 6. The Number of VCRs Controlled by One Control Card
NOTE:
The VCRs connected to a
single microprocessor must be in the
same brand and model. Brands and
models required should be specified
at the time of order.
CM9760-CC1
2DB9 OUTPUTS PER MICROPROCESSOR
CM9760-IRC
UP TO 4 CONTROL CARDS PER IRC
4 MICROPROCESSORS PER CARD
4 VCRs PER DB9 OUTPUT
IR LED CABLES
CONTINUES UP TO
32 VCRs PER CARD