Frequently Asked Question
DM 4xxx to GM back to back bridge pinout
Last Updated 6 years ago
Note: this design, due to high amplitude signal from DM to GM and consequent noise on analog side, is not recommended. Substitute design would be using the DM (programmed as analog) to DM (digital) or using a RICK (repeater interface communication kit)
DM4xxx-----------------------------GM360
PIN17 (EXT PTT MIC)-----------PIN8 CSQ
PIN19 (CSQ DETECT) ---------PIN3 PTT
PIN14 (RX AUDIO)--------------PIN5 (TX AUDIO)
PIN12 (AUDIO GROUND)-----PIN7 (AUDIO GROUND)
PIN11 (TX AUDIO)---------------PIN11 (RX AUDIO)
please check the GM radio pinout setting codplug in the attachment.
DM4xxx-----------------------------GM360
PIN17 (EXT PTT MIC)-----------PIN8 CSQ
PIN19 (CSQ DETECT) ---------PIN3 PTT
PIN14 (RX AUDIO)--------------PIN5 (TX AUDIO)
PIN12 (AUDIO GROUND)-----PIN7 (AUDIO GROUND)
PIN11 (TX AUDIO)---------------PIN11 (RX AUDIO)
please check the GM radio pinout setting codplug in the attachment.