INSTALLATION MTM5400 Mobile Terminal Installation Manual 69
Remote Mount Enhanced Control Head/Motorcycle Mount
Enhanced Control Head-to-Accessories (Accessories Expansion
Cable)
Part Number: PMKN4029
Figure 31 Connecting Cable - Accessories Expansion Cable
Table 16 Accessories Expansion Cable, Connector Pin Function
USB A JACK Signal subD 25 Pos
1 VBUS 9
2 D- 22
3 D+ 21
4 Ground 18
Mobile Microphone Port (MMP)
1 1_WIRE 16
2 GPIO_3 / OTG-ID / RTSc (PTT) 4
3 Speaker to Headset 17
4 GPIO_2 / D- / RxDc 6
5 GND (Ground) -
6 Opt_5V / VBUS 5
7 Mic+ 19
8 GPIO_1 / D+ / TxDc 7
9 GPIO_4 / CTSc / Keyfail (HOOK) 20
10 GPIO_0 / Pwr On 8
Customised Wire Color
BROWN / BLACK GPIO_9 1
ORANGE / BLACK GPIO_6 2
YELLOW / BLACK GPIO_8 3
LIGHT BLUE GPIO_2 6
TURQUOISE GPIO_1 7
GREEN / BLACK TX 10
BLUE / BLACK RX 11
GRAY / BLACK MIC_2 12
BLUE Ground 13
PINK / BLACK GPIO_5 14
BLACK / WHITE GPI_7 15
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