... for the decentralized and independent power supply system and each device within the system System overviewBeijing Dynamic Power Co,Ltd devotes to ... platforms, such as E1, PSTN, IP, DDN, ISDN, ADSL, wireless CDMA/GPRS, optical transmission, and 3G networks.3 Mature supervision ... a variety of alarm forms (sound and light alarm, phone call alarm, SMS alarm, etc.).3 SU descriptionSU functions include ...