Siemens S5 Communication Processor (CP544B)

Hello all members,
I am looking for CP544B User Manual. The Siemens order no. is : 6ES5 544 - 3UB11. In siemens web site I could not find the user manual.
If any body have soft copy information about this type of communication processor please let me know asap.

Thank you in advance for your assitance

with best regards

Salah Gumma

Here is the manual for the 6ES5 544 3UA11

http://support.automation.siemens.com/WW/view/en/1108809