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38
1. Hardware specifications
(1) Interface specifications
Connector:
D-SUB 25 pins
DCE specifications (straight cable supported)
Pin No.
Signal
Description
1
FG
Frame GND
2
SD (TXD)
Transmitted Data
3
RD (RXD)
Received Data
4
RS (RTS)
Request to Send
5
CD (CTS)
Clear to Send
6
DR (DSR)
Data Set Ready
7
SG
Signal GND
20
ER (DTR)
Data Terminal Ready
Example of connections
(2) Communication parameters
The unit’s communication parameters are as listed
below. If any of the parameters are to be changed,
select the items on the menu concerned, and make
the changes.
Baud Rate: 9600 bps
Bit Length: 8 bit
Stop Bit:
1 bit
Parity:
NONE
Frame
FG
3
SD (TXD)
2
RD (RXD)
7
RS (RTS)
8
CD (CTS)
6
DR (DSR)
5
SG
4
ER (DTR)
Computer end
1
FG
2
SD (TXD)
3
RD (RXD)
4
RS (RTS)
5
CD (CTS)
6
DR (DSR)
7
SG
20
ER (DTR)
VTR end
RS-232C
The following functions can be controlled using the
RS-232C interface.
$
Basic operations
EJECT
INSERT
STOP
SEARCH PAUSE
PLAY
SEARCH SPEED UP
REC/PLAY
SEARCH SPEED DOWN
FF
FORWARD/ADVANCE
REW
REVERSE/ADVANCE
PAUSE
REVERSE/PLAY
COUNTER RESET
DIRECT SEARCH
$
Status checks
The current VTR mode can be checked.
$
Simple editing functions
Video/audio, audio/video and various other insert
editing operations can be performed.
$
Search function
Specific frame positions can be searched.
Summary of Contents for AJ-D250P
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