On our ftp server (//ftp.teamos2.org/pub/shareware/emtec) there 
is a file called ZOCRX204.ZIP.

It was written by a ZOC user and contains a complete script 
(with documentation) to logon and handle a PC-Board BBS.

 Markus 

PS: Here's the file description:

    Zoc 2.04 rexx script to handle all your traffic with PCBoard (R) v15.2/2
    BBS. Lighthouse is used as example.
    Automatic logon, download of files, upload of files, download of mail,
    upload of replies and logoff. All useful combinations are possible.
    Every statement has a comment. So it is easy to adjust it to a other BBS.
    Icons and models included.
    Freeware.