1 port RS232 (Port3) + 1 port RS485 (Port4) + Ethernet network interface communication module.
| Specification | FBs-CM25E |
| Network interface | 10 Base T |
| Network protocol | TCP/UDP/IP, ICMP, ARP |
| Application protocol | FATEK client and server mode, Modbus-TCP server mode |
| PLC interface | Port4 |
| PLC communication speed | 9.6K / 19.2K / 38.4K / 57.6K / 115.2Kbps / 230.4Kbps |
| Expansion communication interface | RS232 (Port3), RS485 (Port4) |
| Application IP port number | FFATEK port number 500, Modbus-TCP 502 or customized |
| Security protection | IP based access control |
| Indicators | Internet RX, TX, LINK LEDs indicators |
| Wiring mechanism | DB9F, spring terminal block 4-pin x1, 3-pin x1 |