Zengineering offers Micro-Ex control cables in three varieties. 

1) Standard Serial Cable - Micro to DB9. Includes RS232 to RS485 Converter. Requires a user supplied serial port (Physical or USB to Serial adapter)
Mallincam Micro-EX Cables
3) Zengineering’s New AIO-Micro Cable System - All-In-One cable solution containing all of the Micro’s connections in one convenient cable.
Also available with countless other options such as: Mount Control, Aux Power, Motofocus, etc.
Contains connections for: BNC/Composite Video, 12v Power, and Micro-Ex Control [Choose from Serial or USB]
Give us a call (413)441-0673