Comtech EF Data, Media Converter, models:

CD-MNLBC4000	Installation And Operation Manual
CIC-50	Installation And Operation Manual
DT-4500 Series	Installation And Operation Manual
DT-4572	Installation And Operation Manual
LBC-4000	Installation And Operation Manual
MBT-5000	User'S Installation And Operation Manual
MBT-5000A	Installation And Operation Manual
UT-4500 Series	Installation And Operation Manual
UT-4505	Installation And Operation Manual
UT-4579	Installation And Operation Manual