70
The VTR can be operated by commands when the
RS-232C interface is used.
(See command table on pages 73, 74.)
$Conditions for acknowledging
commands from RS-232C interface
OThe front panel CONTROL switch must be at
REMOTE.
OThe 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
OConnector specifications
Connector:
D-SUB 25-pin (crossover cable supported)
OExample of connection with controller (PC)
Using crossover cable with D-SUB 25-pin
connectors
Pin No. Signal Description
1FG Protective ground
(Frame ground)
2RXD Received data
(Data is sent to PC.)
3TXD Transmitted data
(Data is received from PC.)
4CTS Clear to send
(Shorted with pin 5.)
5RTS Request to send
(Shorted with pin 4.)
6DTR Data terminal ready
(No processing)
7SG 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