Dual-Homing Hardened Edge Switch with Class 1 Division 2 hazardous locations rating, with two SLCL-type 100Mb fibre ports and four 10/100 RJ-45 switch ports with auto-cross and auto-negotiating support. Alarm contact for power monitoring. The two fibre ports support LLL for use in self-healing redundant LANs. Two sets of LEDs for viewing from any direction. Compact package, industrial rated for factory floor environments. Extended temperature range (-25