· DCU is a key component factor in smart grid communication network and performs the function to collect the data measured in various smart meters and transmit it to central server.
· Mobile telecommunication network is used for communication with central server.
· Zigbee is used for communication with smart meters.
· Modem for power cable is built-in besides Zigbee communication.
· The installation is easy due to outdoor-type structure.
· SKT smart grid was verified and applied to the complex in September 2010.
Product standard
| Item | Specification | Remark |
| WAN Wireless connection | W-CDMA | CDMA 2000 1x |
| WAN Wireless interface | SMA connector | |
| WAN Wired connection | IEEE802.11 (10/100B-T) | |
| WAN Wired interface | RJ-45 | |
| Zigbee Standard | IEEE802.15.4 | Coordinator mode |
| Zigbee Frequency bandwidth | 2.4GHz | 2 dBi antenna |
| Zigbee Interface | SMA connector (2 port) | Diversity |
| PLC Standard | Home Plug 2.0 | |
| Max transmitting speed | Max 200Mbps | |
| Target for power control | No direct control by power device | |
| Protocol | Telnet Support to remote connection function | |
| Remote Download | ||
| DHCP client | ||
| MAC filtering, IP filtering | ||
| QoS(Quality of Service) | ||
| IGMP Snooping | ||
| NTP | ||
| Operation temperature | -30 ~ 50oC | Outdoor-type operational condition |
| Operation humidity | 10 ~ 90% | Outdoor-type operational condition |
