N-MCDC2-ACC PocketWizard cable designed exclusively for the Nikon D90's and D5000 unique 4-pin connector.
This remote cable plugs into the special six-contact ACC port of the PocketWizard MultiMAX and the camera port of the new PocketWizard FlexTT5 and enables photographers to remotely toggle ON/OFF a camera's pre-release function.
Simply pressing a Quad-Triggering Zone button on the transmitting MultiMAX activates the pre-release mode on a remote camera equipped with a MultiMAX or FlexTT5 set to the same Channel and Zone. This remote function is available with MultiMAX units having version 6.xxx or 7.xxx firmware.
How to determine the MulitMAX firmware version:
Switch OFF MultiMAX. Hold down Zone button A and switch the power ON. The LCD will indicate the current firmware installed.