Digital Video Recorder Instructions

40
9-pin connector specifications
10 RS-232C INTERFACE
10-1 Specifications
Pin No. Signal Operation Signal direction
3 TXD Transmission data DVR [ CPU
2 RXD Reception data DVR p CPU
6 DSR Data set ready DVR p CPU
5 GND Signal ground
4 DTR Data terminal ready DVR [ CPU
Output level
OFF : –5 V or less
ON : +5 V or more
Data format
• Mode : Non-synchronous
• Character length : 8 bits
• Data rate : 9600 bps
• Parity check : None
• Stop bit : 1
10-2 Protocols and commands
This section provides programming information needed to control the VR-510U via RS-232C.
 Basic table
[Upper
0123 4567 89 ABCDEF
Lower
0 Data 0 ENTER ALARM
FWD
1 COMPLETE Data 1 CLEAR ALARM
ERROR REV
2 ERROR Data 2
3 Data 3
4 Data 4
5 NOT Data 5 FWD
TARGET SHUTTLE
6 ALARM Data 6 CLEAR REV JVC-1
IN SHUTTLE TABLE ON
7 Data 7 STATUS STATUS BASIC
SENSE SENSE TABLE ON
8 Data 8
9 Data 9
A ACK PLAY REV REC REC
PLAY REQUEST
B NAK FWD x3 REV x3 FF VTR INQ
C FWD x1/6 REV x1/6 REW
D FWD REV FWD
STILL STILL STEP
E
FWD x15 REV x15 DATE SET REV DATE
STEP SENSE
F STOP STILL
TIME SET TIME
SENSE
[
1
5
6
9
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
0(SPACE) Start
1(MARK)
Stop
bit bit