... for telecom, electricity, railways,military,finance,transportation and other industriesDKZ2000 series can realize remote monitoring for the decentralized and independent power ... transmission platforms, such as E1, PSTN, IP, DDN, ISDN, ADSL, wireless CDMA/GPRS, optical transmission, and 3G networks.3 Mature supervision ... . Centralized Supervision System for Power Supply and Environment DKZ2000 series