RS-232C interface
The VTR can be operated by commands when the
∫Condition for acknowledging
commands from RS-232C interface
Setup menu item No.204 (RS232C SEL): ON
If the above condition is not met, [ACK]+[STX]ER001[EXT] is returned to the external component. Whether [ACK] is returned depends on the setting which has been selected for setup menu item No.209 (RETURN ACK).
Hardware specifications
External interface specifications
•Connector pin specifications Connector:
Pin No. | Signal | Description |
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1 | FG | Protective ground (frame ground) |
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2 | RXD | Received data (data is sent to PC) |
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3 | TXD | Transmitted data (data is received |
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| from PC) |
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4 | CTS | Clear to send (shorted with pin 5) |
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5 | RTS | Request to send (shorted with pin 4) |
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6 | DTR | Data terminal ready (no processing) |
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7 | SG | Signal ground |
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20 | DSR | Data set ready (+ voltage output after |
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| communication enable status) |
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•Example of connection with controller (PC)
(Using crossover cable with
| PC side |
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VTR side | ||||||
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| FG |
| 1 |
| 1 | FG |
| TXD |
| 2 |
| 2 | RXD |
| RXD |
| 3 |
| 3 | TXD |
| RTS |
| 4 |
| 4 | CTS |
| CTS |
| 5 |
| 5 | RTS |
| DSR |
| 6 |
| 6 | DTR |
| SG |
| 7 |
| 7 | SG |
| DTR |
| 20 |
| 20 | DSR |
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(Using crossover cable with
| PC side |
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VTR side | ||||||
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| RXD |
| 2 |
| 1 | FG |
| TXD |
| 3 |
| 2 | RXD |
| DTR |
| 4 |
| 3 | TXD |
| SG |
| 5 |
| 4 | CTS |
| DSR |
| 6 |
| 5 | RTS |
| RTS |
| 7 |
| 6 | DTR |
| CTS |
| 8 |
| 7 | SG |
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| 20 | DSR |
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