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86 C634M-D (12/04)
DVR MANAGEMENT
If the DX9200 DVR system is connected to a matrix switcher, the operation of the system can be managed with the Server Alert
Configuration Utility. If recorders are not recording or there is no communication with recorders, this utility sends alarms to the
matrix switcher.
If the DX9200 system is connected to a Pelco matrix switcher, such as the CM9740 or CM9760, alarms are sent through a data
translator. For non-Pelco matrix switchers, alarms are sent through a relay unit.
NOTE: Refer to the
Server State
section for more information on the Server State application.
DATA TRANSLATOR CONNECTIONS
The CM9760-DT should be used with Pelco matrix switchers, such as the CM9740 or CM9760.
1. Connect a null modem cable from the CM9760-DT’s COM A port to the COM 1 or COM 2 port on the viewstation.
2. Connect a null modem cable from the CM9760-DT’s COM B port to the COM 1 or COM 2 port on the CM9760-CC1.
3. Set the jumpers in the data translator for baud rate and parity. Refer to the CM9760-DT Installation/Operation manual.
NOTE: You can also connect the CM9760-DT to one of the CM9760-CC1 SERCOM ports for RS-422 communication.
Figure 113. Connecting a CM9760-DT for DVR Management
12V AC
COMA
COMB
12
VIEWSTATION
CM9760-DT
CM9760-CC1
RS-232 TO RS-422
CONVERTER
NULL
MODEM
CABLE
USE EITHER
COM 1 OR COM 2
PRINTER
PRINTER
COM1
COM1
COM2
COM2
NULL
MODEM
CABLE
COM 2
COM 1