This paper describes a remote monitoring system in electric power distribution network based on GPRS modem

which is composed of monitor server and many RTUs.With GPRS communication

the system has many advantages

such as high communication speed

low cost and flexible network modules.The terminal can make real monitoring on substation realize the function of no-person on duty.Main control center is responsible for maintaining management function to terminal information and displaying

storing and printing the result information and fault reason.