Seems that all the LCD modules with "xx162A" are the same.

Just have a search here with the key word "162A LCD" and this shows up, a very useful pdf posted some time before by [b]Raj Shetgar[/b]:

http://www.8052.com/forum/read.phtml?id=51575

And the pdf that help me to interface a 51 with a 162A [b]yesterday[/b].
http://www.epemag.wimborne.co.uk/lcd1.pdf

Stanley