Installation and Configuration
Communications
Table 2.6 Jumper/Pin Settings for DTR/DSR Flow Control (Default)
| Jumper Connections | |
DTR (Input to | J17 to | 4 |
|
|
|
DSR (Output to | J16 to | 6 |
|
|
|
Connections Use a 9-pin (DB9) to 9-pin parallel cable to connect the interface card to the serial port on the host computer. If you need to use a 25-pin connector (DB25) on the host interface, ensure the correct connections are made by referring Table 2.7. If the proper cables are not available and you need to change the transmit/receive pin configuration, see “Transmit / Receive Pin Selection”.
Table 2.7 Transmit/Receive Pin Connections
Power Supply (DCE) |
| Host Computer (DTE) | |
|
| ||
|
|
| |
Pin 2 | transmits to | Pin 2 (Receive) | |
|
|
| |
Pin 3 | receives from | Pin 3 (Transmit) | |
|
|
|
|
Pin 5 (Ground) | connects to | Pin 5 | (Ground) |
|
|
| |
|
| ||
|
|
|
|
Pin 2 | transmits to | Pin 3 | (Receive) |
|
|
|
|
Pin 3 | receives from | Pin 2 | (Transmit) |
|
|
|
|
Pin 5 (Ground) | connects to | Pin 7 | (Ground) |
|
|
|
|
Transmit / The
the
Table 2.8 Jumper Settings for Transmit/Receive Pin Selection
| Jumper J10 Connections | |
Transmit (TXD) | 3 | |
| 2 | |
Receive (RXD) | 2 | |
| 3 |
22 | Operating Manual for |