Cable Spec 40 - RJ45-DB25 MiiC Pinout
From ATTWiki
The gender of the adapter is depends on the gender of the MiiC serial port. The MiiC serial port at connector CNP109 is a female gender (which is the opposite of the RS232 standard for computers). Use a male gender on this adapter if the bender follows this gender.
Pinout
Other
See Cable Spec