Motorola MTM5400 Manuel d'installation télécharger pdf (Page 59)

INSTALLATION MTM5400 Mobile Terminal Installation Manual 59

14 RX_AUDIO RX audio output

15 MIC2 MIC2 for noise cancelling dual mic input

16 GND_MIC Ground (for MIC)

17 EXTERNAL_PTT PTT input (pulled via 4K7 to 5V)

18 UART2_DTR /

USBy_ID

RS232 or UART1 / UART2 DTR / 2nd USB2.0 (OTG) ID

19 HOOK_PA_EN HOOK_PA_EN input (or programmable 5V GPIO)

20 UART2_TXD /

USBy_TX

RS232 or UART2 TXD / 2nd USB2.0 (OTG) D+

21 UART2_RTS /

USBy_VBUS

RS232 or UART2 RTS / 2nd USB2.0 (OTG) VBUS – 100mA

22 UART2_RXD /

USBy_RX

RS232 or UART2 RXD / 2nd USB2.0 (OTG) D-

23 EMERGENCY Emergency Input (Pulled via 24K9 to A+) – Pull low to power on

24 UART_CTS RS232 or UART1 / UART2 CTS input

25 IGNITION Ignition input (through series 15K) – Pull > 5V to power on

26 EXTERNAL ALARM External Alarm input (Pulled via 4K7 to A+)

PIN 25: If the ignition line is not used, it needs to be

grounded for example connected to pin 8. Interference can

cause radio to hang.

Table 9 26-Pin Accessory Connector

Pin Function Description

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 79 80

Pas de commentaire

Motorola MTM5400 Manuel d'installation Page 59