AT-FS200 серия двухпортовых, неуправляемых FastEthernet медиаконвертеров. Оба порта могут работать на одинаковой или разной скорости.
| Модель | Наименование |
| AT-FS238B/2-20 | Single fiber 10/100TX (RJ-45) to 100FX (SC) 2-Port 1550nmTX/1310nmRX unmanaged media converter (40KM) |
| AT-FS238B/1-20 | Single-fiber 10/100M bridging converter with 1550Tx/1310Rx, 15km reach, operating temperature of 65C |
| AT-FS238A/1-20 | Single-fiber 10/100M bridging converter with 1310Tx/1550Rx, 15km reach, operating temperature of 65C |
| AT-FS238A/2-20 | Single fiber 10/100TX (RJ-45) to 100FX (SC) 2-Port 1310nmTX/1550nmRX unmanaged media converter (40KM) |
| AT-FS202-20 | 10/100TX (RJ-45) to 100FX (SC) 2 port unmanaged switch |
| AT-FS232-20 | 10/100TX (RJ-45) to 100FX (SC) 2 port unmanaged switch with Enhanced Missing Link |
| AT-FS232/2-20 | 10/100TX to 100FX (SC) single-mode (40km) 2 port switch with Enhanced Missing Link |
| AT-FS232/1-20 | 10/100TX to 100FX (SC) single-mode (15km) 2 port switch with Enhanced Missing Link |
| AT-FS201-20 | 10/100TX (RJ-45) to 100FX (ST) 2 port unmanaged switch |
