| Pin | Name | Direction | Description |
|---|---|---|---|
| 1 | Vcc +5V |  | Vcc +5V DC |
| 2 | NC | -?- | Not connected |
| 3 | IRRX |  | RX Data |
| 4 | GND | | Ground |
| 5 | IRTX |  | TX Data |
for FIC FA-11 motherboard (and others)
| Pin | Name | Direction | Description |
|---|---|---|---|
| 1 | Vcc +5V | | Vcc +5V DC |
| 2 | IRRX | | RX Data |
| 3 | GND | | Ground |
| 4 | IRTX | | TX Data |
| 5 | CIRRX | | Consumer IR Receiving |