serial interface in rb2011uas-2hnd-in router not working

Hello,

I would like to use the serial port on my router, but it not working.
I following the wire connection of this page:
http://wiki.mikrotik.com/wiki/Manual:System/Serial_Console

Any help will be greatly appreciated!

Pat

any help ?

I believe the diagram is wrong. The wiring table looks good.
This link may be helpful -
http://www.cisco.com/en/US/docs/security/pix/pix70/hw/installation/guide/append.pdf