Panasonic AJSD955A--Video Cassette Recorder user manual download

For Devices:Panasonic AJSD955A--Video Cassette Recorder
Languages:English
Pages:80
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Page 69 of 80
69
The VTR can be operated by commands when the
RS-232C interface is used.
(See command table on pages
72, 73.)
$
Conditions for acknowledging
commands from RS-232C interface
O
The front panel CONTROL switch must be at
REMOTE.
O
The setup menu No. 204 “RS232C SEL” must be
ON.
If the above conditions are not met, [ACK] + [STX]
ER001 [EXT] is returned to the external unit.
Whether the [ACK] code is returned depends on the
setting which has been selected for setup menu
item No. 209 “RETURN ACK”.
Hardware specifications
External interface specifications
RS-232C interface
O
Connector specifications
Connector:
D-SUB 25-pin (crossover cable supported)
O
Example of connection with controller (PC)
Using
crossover
cable
with
D-SUB
25-pin
connectors
Pin No.
Signal
Description
1
FG
Protective ground
(Frame ground)
2
RXD
Received data
(Data is sent to PC.)
3
TXD
Transmitted data
(Data is received from PC.)
4
CTS
Clear to send
(Shorted with pin 5.)
5
RTS
Request to send
(Shorted with pin 4.)
6
DTR
Data terminal ready
(No processing)
7
SG
Signal ground
(Signal ground)
20
DSR
Data set ready (+ voltage output after
communication enable status)
PC side
(D-SUB 25-pin connector)
VTR side
FG
TXD
RXD
RTS
CTS
DSR
SG
DTR
1
2
3
4
5
6
7
20
FG
RXD
TXD
CTS
RTS
DTR
SG
DSR
1
2
3
4
5
6
7
20
Using crossover cable with D-SUB 9-pin and 25-pin
connectors
PC side
(D-SUB 9-pin connector)
VTR side
RXD
TXD
DTR
SG
DSR
RTS
CTS
2
3
4
5
6
7
8
FG
RXD
TXD
CTS
RTS
DTR
SG
DSR
1
2
3
4
5
6
7
20
Sample