2   TECHNICOLOR GATEWAYS 
This chapter describes the Technicolor TG789VAC v2 DSL gateway, which is one of the modems/gateways used by AT&T 
on DSL connections. 
2.1   Technicolor TG789VAC v2 gateway 
The TG789VAC v2 is an Integrated multi-mode ADSL/VDSL/FTTH gateway, supporting: 
•  ADSL over POTS for a TG789VAC v2 ADSL/POTS variant (Plain Old Telephone Service), an analogue telephone 
line. 
•  ADSL/RE-ADLS2/ADSL2/ADSL2+ 
•  VDSL2 with Vectoring technology 
•  Support for FTTH via Gigabit-Ethernet WAN port 
•  Firmware 10.5.8.U and later 
•  Auto-sensing for ADSL/VDSL2 and switches between them 
•  4 ports Gigabit-Ethernet auto-sensing port for LAN connections. 
•  An USB-port to connect to a workstation or 3G USB stick. 
•  2 FXS ports and VOIP functionality. 
•  Wi-Fi IEEE 802.11b/g/n/ac, will not be used in standard configurations, can be enabled via GUI and external 
software. 
The TG789VAC v2 gateway is a versatile device, which can be configured as a bridge or a router (or gateway) to suit all 
different DSL environments. It has a built-in firewall which makes it possible to protect the LAN-side or Home network 
from unauthorized access from the Internet. 
 
Illustration 2.1: Technicolor TG789VAC v2gateway 
The TG789vn supports several features, which are not supported by AT&T: 
•  Printer server function 
•  USB 3G function 
•  Voice over IP 
•  IPTV 
These functions have been disabled.