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): |
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| 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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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 |
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connectors) |
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| PC side |
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| VTR side | |||||
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| FG | 1 |
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| 1 | FG |
| TXD | 2 |
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| 2 | RXD |
| RXD | 3 |
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| 3 | TXD |
| RTS | 4 |
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| 4 | CTS |
| CTS | 5 |
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| 5 | RTS |
| DSR | 6 |
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| 6 | DTR |
| SG | 7 |
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| 7 | SG |
| DTR | 20 |
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| 20 | DSR |
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(Using crossover cable with |
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SUB |
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| PC side |
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| VTR side | |||||
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| RXD | 2 |
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| 1 | FG |
| TXD | 3 |
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| 2 | RXD |
| DTR | 4 |
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| 3 | TXD |
| SG | 5 |
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| 4 | CTS |
| DSR | 6 |
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| 5 | RTS |
| RTS | 7 |
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| 6 | DTR |
| CTS | 8 |
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| 7 | SG |
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| 20 | DSR |
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