Scalance XB004-1LD Unmanaged Industrial Ethernet Switch FOR 10/100MBIT/S with 4 X 10/100MBIT/S TWISTED PAIR- PORTS with RJ45-SOCKETS 1 X100MBIT/S SINGLEMODE GLASS FOC-PORT with SC-SOCKET FOR CONFIGURING SMALL STAR- and LINE TOPOGRAPHIES LED-DIAGNOSIS, IP20, 24 V DC POWER SUPPLY, MANUAL AVAILABLE AS DOWNLOADHs Code : 85176200