Monoprice 6ft HP PLT/LAS DB9F/DB25M Cable
Description
If you've got an older Hewlett-Packard plotter or laser printer with a serial connection, you know that you cannot just get any serial cable. You need one specifically designed for these devices and Monoprice has just what you need!
This cable features a DE-9 (DB-9) female connector on one end and a male DB-25 connector on the other end. The cable is not wired as a normal serial cable, however. It is wired as shown in the following table, specifically for use on HP plotter and laser printers:
| Plotter (DB-25) | Pins | Computer (DE-9/DB-9) |
|---|---|---|
| Request To Send (RTS) | 4 to 1 | Received Line Signal Detect |
| Transmit Data (TD/Tx) | 2 to 2 | Receive Data (RD/Rx) |
| Receive Data (RD/Rx) | 3 to 3 | Transmit Data (TD/Tx) |
| Clear To Send (CTS) | 5 to 4 | Data Terminal Ready (DTR) |
| Data Set Ready (DSR) | 6 to x | No connection |
| Signal Ground (SGND) | 7 to 5 | Signal Ground (SGND) |
| Data Terminal Ready (DTR) | 20 to 6 | Data Set Ready (DSR) |
| No connection | x to 8 | Clear To Send (CTS) |
| Data Carrier Detect (DCD) | 8 to 7 | Request To Send (RTS) |
The connectors on each end are molded and are fitted with thumbscrews to secure the connections.
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