1 specifications, 2 protocols and commands – JVC VR-510U Manuel d'utilisation
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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.
Ⅵ Basic table
[
Upper
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
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