Dual-Homing Hardened Edge Switch with two multi-mode SLCL-type (single mode LC long reach 40km) 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. Terminal block for 24VDC (range 18V to 36V) power connection with extended temperature range (-40