AMI(LTE)Modem
This high-speed remote meter reading modem collects meter reading data through the main meter and sub meter interfaces,and transmits the collected data to the ADCS, the upper system, through the LTE network.
Main Specifications
Main Process Unit
- High – Performance 32bit ARM®- based Cortex® - M4 Core
- Maximum operating speed of 120MHz
- Internal 1MB of Flash and 128KB of SRAM
Power Unit
- Input : AC85 ~ 264V, 50/60Hz
- Maximum Power : 10 Watts
- Battery(Lithium Ion Rechargeable) : Capacity (330mAh), Temperature Range(-40 to +85 °C)
LTE Module
- Frequency : 1800 MHz (Band 3), 850 MHz (Band 5)
- Maximum Output Power : 23dBm
- Minimum Sensitivity Level : < -96.3 dBm
- Interface : USART
External Interface
- Debug Interface : RS232( TXD,RXD,GND), Baud rate 115200bps
- Main meter Interface : RS422, 4000-Vpeak Isolation, RJ45 Connector
- Sub meter Interface : RS485, 4000-Vpeak Isolation, RJ11 Connector
Indicator(LED)
- Power : Power : Main Power (On and off)
- SI1 : Main meter interface data transmission and reception(flashing)
- SI2 : Sub meter interface data transmission and reception (flashing)
- Status LTE : LTE interface status (on, flashing, off)
- Status CPU : CPU status (on, flashing, off)
Watchdog function
- Environment variable setting function: setting by server, setting by debug port
- Time setting : Setting by LTE network, setting by server, Setting by Debug port
- System Reset : reset by server (S/W, H/W), reset by push button
- Power monitoring function: Monitor ON/OFF status of Main power and transmit status information
- Main meter interface: PUSH data transfer
- Sub meter interface: Collection and transmission of meter information, data collection and transmission by PUSH Setup
- Bypass mode: Provide server-to-meter Bypass function
- FW Update function : Update by server, Update by Debug port