> 3 | Interface Description

> 3.1 | Overview

> TC65 Terminal provides the following connectors for power supply, interface and antenna:

> 1. | 24-pole GPIO Micro Mate-N-LOK connector for GPIOs, I²C, SPI, ADC

> 2. | 9-pole (female) SUB-D plug for RS-232 serial interface

> 3. | SMA connector (female) for antenna

> 4. | On/Off push button

> 5. | 4-pole Western plug (female) for audio accessory, such as a handset

> 6. | SIM card holder

> 7. | 6-pole Western plug (female) for power supply, ignition, power down signal

> Figure 1: TC65 Terminal front view
> Figure 2: TC65 Terminal rear view