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Tables 2 and 3 define the pin layout for the DS71 or
|
| DS71 |
|
|
|
Pin |
| Description |
| Signal |
|
|
|
|
1 | Handshake | (DTR) Line Driver Inactive State = High: +12V when power is |
| Out | applied. Used as a handshake line to enable/disable the receiving of |
|
| characters. |
|
|
|
2 | Gnd | Signal ground |
|
|
|
3 | Handshake | (RTS) Line Driver Inactive State = High: +12 V when power is |
| Out | applied. Not used to enable/disable. |
|
|
|
4 | TX Out | Transmit Data (data out) |
|
|
|
5 | RX In | Receive Data (data in) |
|
|
|
6 | Handshake | (DSR) Handshake In. |
| In |
|
|
|
|
7 | Gnd or | Signal ground when Jumper |
| DCD In | for the DS71 to take advantage of “DCD Logon/Logoff” and “Auto |
|
| Connect Port”, Jumper |
|
| In. |
|
|
|
8 | Handshake | (CTS) Used as a handshake line to enable/disable the receiving of |
| In | characters. |
|
|
|
Table 2 DS71 PIN SIGNAL DEFINITION
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