Rs-232 & Rs-485 Protocol; Setup; Communication Protocol - JVC VR 601 Instruction Manual

Jvc digital video recorder instructions

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6. RS-232 & RS-485 Protocol

6.1.1 Use a Null Modem cable (the standard RS-232 9 Pin Cable with Pin 2 and Pin 3 exchanged, see pin

configuration chart below for details) to connect the COM 1 on the rear panel of the DVR to a PC.

6.1.2 Set the RS-232 option to ON in the COMMUNICATION page of the setup menu.

6.1.3 Set the PC communication parameters: 9600 bps, No Parity, 8 Data Bits, 1 Stop Bit.

6.2.0 General Command Format

<Lead Code = 0x41>, < Dest ID >, < Src ID >, <Main category >, <Second category >, {<Number of

parameters>,<Parameter 1>, <Parameter 2> ..,} <End Code= 0x4f>

Lead Code = 0x41

Dest ID

Src ID

Main Category = 0x01

Second Category

End Code= 0x4f

= 0x01

= 0x20

Keys and Signals

= 0x02

Command

= 0x01 Handshake

= 0x02 Request Time/Set Time

= 0x06 Request System State

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