Alpha Technologies, Media Converter, models:

CSM46	Installation & Operation Manual
CXDF 24-48/2kW	Installation & Operation Manual
CXDF 48-24/2kW	Installation & Operation Manual
CXDF 48-24Vdc/2kW	Installation & Operation Manual
CXDF24482KW	Installation & Operation Manual
CXPS 24-48-i	Installation & Operation Manual
LPR48-300	Installation & Operation Manual