SCALANCE XB004-1 UNMANAGED INDUSTRIAL ETHERNET SWITCH FOR 10/100MBIT/S WITH 4 X10/100MBIT/S TWISTED PAIR- PORTS WITH RJ45-SOCKETS 1 X100MBIT/S MULTIMODE GLASSLWL-PORT WITH SC-SOCKET FOR CONFIGURING SMALL STAR- AND LINE TOPOGRAPHIES LED-DIAGNOSIS, IP20, 24 V DC POWER SUPPLY, INCL. MANUAL