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8  NTU Optical Network Terminals 
  Firmware updates via web interface, TR-069, OMCI. 
  Remote monitoring, configuration, and setup: 
–  TR-069; 
–  Web interface; 
–  OMCI; 
–  Telnet. 
Fig. 1 shows a diagram of the NTU equipment connection. 
 
Fig. 1—Connection of NTU-2VC 
2.3.2 NTU-2W 
The device has the following interfaces: 
–  1 PON SC/APC port for connection to operator's network. 
–  Ethernet RJ-45 LAN ports for connection of network devices: 
–  1 RJ-45 10/100 Base-T port; 
–  1 RJ-45 10/100/1000Base-T port; 
–  1 Wi-Fi transmitter/receiver 802.11b/g/n; 
–  1 USB 2.0 port for external USB or HDD storages. 
The terminal uses an external adapter for 220V/12V power supply. 
The device supports the following functions: 
–  Network functions: 
–  bridge or router mode; 
–  PPPoE (PAP, CHAP, MSCHAP authentication); 
–  static IP address and DHCP (DHCP client on WAN side, DHCP server on LAN 
side); 
–  UPNP; 
–  IPSec; 
–  NAT; 
–  Firewall; 
–  NTP;