sextant manual

hi house,
could somebody give me the link where i can download a comprehensive manual of sextant cpe.
also,please how can its ROS be reinstalled if it corrupt or fails to lead its rom state because the cpe is without console port.
thank you.

http://routerboard.com/pdf/358/sextant.pdf
http://routerboard.com/pdf/359/SEXTANT-qg.pdf

and of course the software manual:
http://wiki.mikrotik.com/wiki/Manual:TOC

also,please how can its ROS be reinstalled if it corrupt or fails to lead its rom state because the cpe is without console port.

console is not needed to launch netinstall, as described in the PDF manual that honzam posted

thank you all for your contributions