Thom, Here is some info to update onto the block diagram. Part numbers for the block diagram (two of each): Digi Portserver TS4 MEI Hardened #70001919 Digi Din rail mount. #76000756 FS Mini Industrial Media Converter #IMC-GA1F1T Also, DAS is on fiber #8 and the fiber that goes to the subsea connector would be #7 Thanks, Bryan