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Stand-alone DVR Instruction Manual
28
5-4.4. RS232C, RS485, RS422 Connection
▫ Connect the cable to the “RS232C/RS485/RS422 PORT” on the rear of the unit.
Specification of the RS232C/RS485/RS422 connector is standard for “DSUB9”
The Maximum Length of cable is 45 ft with RS232C but RS485 or RS422 is about 300ft.
[Fig 5-7]
[Fig 5-8]