Used to verify that a port is working. This one works with Passmark (www.passmark.com).
25 PIN D-SUB FEMALE to Computer
| Name | Pin | Pin | Pin |
|---|---|---|---|
| Jumpering 1 | 2 | 3 | |
| Jumpering 2 | 4 | 5 | |
| Jumpering 3 | 6 | 8 | 20 |
Passmark 25 pin Serial Port Loopback
Used to verify that a port is working. This one works with Passmark (www.passmark.com).
25 PIN D-SUB FEMALE to Computer
| Name | Pin | Pin | Pin |
|---|---|---|---|
| Jumpering 1 | 2 | 3 | |
| Jumpering 2 | 4 | 5 | |
| Jumpering 3 | 6 | 8 | 20 |