CONTENTS
RS-232C interface
The VTR can be operated by commands when the
(See command table on pages 74, 75.)
$ Conditions for acknowledging commands from
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
O Connector specifications
Connector:
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) |
|
|
|
O Example of connection with controller (PC) Using crossover cable with
PC side |
|
VTR side |
FG | 1 |
TXD | 2 |
RXD | 3 |
RTS | 4 |
CTS | 5 |
DSR | 6 |
SG | 7 |
DTR | 20 |
|
|
1FG
2RXD
3TXD
4CTS
5RTS
6DTR
7SG
20 DSR
Using crossover cable with
PC side |
|
VTR side |
RXD TXD DTR SG DSR RTS CTS
2
3
4
5
6
7
8
1FG
2RXD
3TXD
4CTS
5RTS
6DTR
7SG
20 DSR
71 (E)
