... or force work mode, and support MDI/MDI-X connectionFiber Ports: 100BaseFX ports (SC/ST/FC connector, optional)Single-mode:20, 40 ... ), EN61000-4-5 (Surge), EN61000-4-6 (CS), EN61000-4-8, EN61000-4-11 Shock: IEC 60068-2-27 Free Fall ... -6 Warranty: 5 yearsApprovals: FCC,CE, RoHS approvals Unmanaged Industrial Ethernet network Switch (Wide Temperature -40C to 75C) CK-IF32-M