Automatic Meter Reading

They are major three topologies for AMR systems:

1. Each meter is connecting to a M1000 smart GPRS modem via RS232 by using CSD (data call);

 

2. Each meter is connecting to a M1000 smart GPRS modem via RS232 by using GPRS (meter control the modem via AT commands);

 

3. Each meter is connecting to a Data Concentration Units (DCU), which may support up to 32 meters, and each DCU is connecting to a M1000 Pro serial to GPRS gateway via RS485 by using GPRS (transparent transmit serial data to billing center automatically).

For more information about M1000 Pro please visit: 

http://www.robustel.com/Products/GoRugged/Serial_RS232_RS485_GPRS_EDGE_Gateway_DTU.html 

Fore more information about M1000 please visit:

http://www.robustel.com/Products/GoRugged/GSM_GPRS_Modem_M1000.html