Baumer Hübner, Media Converter, models:

HMG 11 + FSL	Installation And Operating Instructions Manual
HMG 161	Mounting And Operating Instructions
HOG 10	Installation And Operation Instructiona
HOG 11 G Series	Installation And Operating Instructions Manual
HOGS 100 S	Mounting And Operating Instructions
OG9	Mounting And Operating Instructions
POG 10	Mounting And Operating Instructions