JDSU Viavi 41MPO12SM Multi Fiber MPO Based OTDR Switch ModuleCondition: Used Very good condition, minimal usage, supplied as pictured, module only, can be used with the MTS 4000 V1 V2 Multi Fiber MPO based Switch Module All in one integrated solution automating OTDR tests of native MPO and high fiber count cables Well suited for use in high density fiber environments, multi fiber MPO cables eliminate the expense of running individual patch cords for each service turn up. The use of an on board MPO switch with