Dual-Homing Premium-rated 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, rated for temperature un-controlled environments such as outdoors. Internal 12VDC (range 8V to 15V) power supply with extended temperature range (-40