RS-232C Interface
1. Outline of RS-232C interface
This interface is for enabling the basic functions of the VTR to be operated using a personal computer.
¥The
2.Hardware specifications
■D-DUB 9-pin connector specifications
¥ Connector: |
¥Compatible cable: Straight cable
Pin No. | Abbreviation | Circuit name | Details |
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1 | CD (DCD) | Carrier detection | PC receives this signal. |
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2 | RD (RXD) | Received data | PC receives data. |
3 | SD (TXD) | Transmitted data | PC sends data. |
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4 | ER (DTR) | Data terminal ready | PC sends this signal. |
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5 | SG | Signal ground | Signal ground |
6 | DR (DSR) | Data set ready | PC receives this signal. |
7 | RS (RTS) | Request to send | PC sends this signal. |
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8 | CS (CTS) | Clear to send | PC receives this signal. |
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9 | CI (RI) | Ring indicator | PC receives this signal. |
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PC
Pin No.
1
2
3
4
5
6
7
8
9
Pin No. | Details |
1L: ground
2 Data output
3 Data input
4 OP (ready output)
5GND
6Ready output (OP)
7
8(short)
9L: ground
VTR
23