SWITCH NET SCALANCE X204-2, 4X DOORS OF RJ45 10/100 MBIT / S, 2X MULTIMODE BFOC 100 MBIT / S, DIAGNOSIS FOR LED, FAULT SIGNAL CONTACT WITH SET UP BUTTON, REDUNDANT POWER SUPPLY, PROFINET IO DEVICE, NETWORK MANAGEMENT; MANAGER REDUNDANCY INTEGRATED PLUG C OPTIONAL; REFERENCE: 6GK5204-2BB10-2AA3; MANUFACTURER SIEMENS