Hardened Twisted pair to 100Mb Fiber media converter rated -40 to 75`C, with multi-mode MTRJ Fibre port and RJ-45 port with up-link switch and FDX/HDX selectable auto-negotiating support. Terminal block for 24VDC (range 18V to 36V) power connection. DC jack for alternate use of external AC to 9VDC PS is also present. Includes the Model DIN-RAIL MC2 mounting hardware which is optional on other models.