... the decentralized and independent power supply system and each device within the system System overviewBeijing Dynamic Power Co,Ltd ... as E1, PSTN, IP, DDN, ISDN, ADSL, wireless CDMA/GPRS, optical transmission, and 3G networks.3 Mature supervision ... handling,historical data processing.record reports.configuration selling,security management,equipment management,and maintenance functions.4 Value- ...