Connections between the microphone and main chassis of the Yaesu FT-2500M two-meter band transceiver are shown above. Click image to enlarge details.
This microphone is the originally provided device for the Yaesu FT-2500M.
Numeric pin order of the RJ45 microphone connector is opposite to the standard network RJ45 connector. However the network RJ45 connector will fit and function properly.