MTM 5400
Rear connector
| Accessory connector | ||||||
|---|---|---|---|---|---|---|
| Pin | Function | Node | Programming | |||
| 1 | UART1_TXD/USBxD+ | |||||
| 2 | UART1_RXD/USBxD- | |||||
| 3 | UART1_RTS/USBx_VBUS | |||||
| 4 | Gnd USBx | |||||
| 5 | 1-Wire | |||||
| 6 | Key Fail/Flash | |||||
| 7 | SWB+ | |||||
| 8 | Gnd (Serial) | UART Gnd | ||||
| 9 | Speaker- | |||||
| 10 | Speaker+ | |||||
| 11 | Tx Audio | 22 (URIxB) | ||||
| 12 | Audio Gnd | 20 (URIxB) | ||||
| 13 | Mic1/Ext Mic | |||||
| 14 | Rx Audio | 21 (URIxB) | ||||
| 15 | Mic2 | |||||
| 16 | Gnd (Mic) | Black (USB) | ||||
| 17 | PTT (5 V) | 1 (URIxB) | Bridge to Radio pin 23 | |||
| 18 | UART2_DTR/USBy_ID | Bridge to Radio pin 24 | ||||
| 19 | HOOK_PA_EN | |||||
| 20 | UART2_TXD/USBy_Tx | UART Rx (3.3 V) | Green (USB) | |||
| 21 | UART2_RTS/USBy_VBUS | Red (USB) | ||||
| 22 | UART2_RXD/USBy_Rx | UART Tx (3.3 V) | White (USB) | |||
| 23 | Emergency | Bridge to Radio pin 17 | ||||
| 24 | UART_CTS | Bridge to Radio pin 18 | ||||
| 25 | Ignition | Bridge to Radio pin 26 | Bridge to Radio pin 26 | |||
| 26 | External Alarm | Bridge to Radio pin 25 | Bridge to Radio pin 25 | |||