Below you will find the RS-232 Specification for the V-1SDI RS-232 connector:
| Pin No. | Signal |  |
| 1 | N.C. | |
| 2 | RXD | |
| 3 | TXD | |
| 4 | DTR | |
| 5 | GND | |
| 6 | DSR | |
| 7 | RTS | |
| 8 | CTS | |
| 9 | N.C. |
| Communication method | Synchronous (asynchronous), full-duplex |
| Communication speed | 9600 bps |
| Parity | none |
| Data Length | 8 bit |
| Stop bit | 1 bit |
| Code Set | ASCII |
| Flow Control | XON/XOFF |
Cable Wiring Diagram
Wire the three lines of RXD, TXD, and GND as shown in the figure below.
* The connections between 4 and 6 and between 7 and 8 are inside the V-1SDI.
* When connecting to a controlling device (such as an RS-232 compatible computer), use a crossover cable.