Dual-Homing Premium-rated Edge Switch with Class 1 Division 2 hazardous locations rating, with one SLCL-type 100Mb fibre ports and five 10/100 RJ-45 switch ports with auto-cross and auto-negotiating support. Alarm contact for power monitoring. Ports 1 and 2 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.Extended temperature range (-40