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8 VoIP subscriber gateways
2 DEVICE DESCRIPTION
2.1 Purpose
TAU-8.IP device is high-performance VoIP consumer gateway with the full set of options which allow
consumers to use VoIP advantages.
TAU-8.IP is designed to connection analogue phones and fax-modems to the IP network.
The device and connection wires for subscriber device connection are specified for unmanned day-and-
night service in the close heated spaces with ambient temperature from +5 to +40 С and relative humidity from
20% to 80%. The device does not include of the voltage and current built in protection for subscriber
terminations.
220 V External mains adapter provides power supply.
2.2 Design
There are two types of the device design distinguishing by set of interfaces and functionality (see Table 1).
Table 1 – Models
TAU-8.IP-W devices have a built-in Wi-Fi adapter with capable to connect up to 2 external antennas. Built-
in Wi-Fi adapter supports 802.11n technology, it allows you to provide data transmission service of the wireless
network with superior QoS in contrast with the device supported 802.11g and 802.11b. In addition, the device
stays backward compatible with the 802.11g and 802.11b devices.
2.3 Device characteristics
The device has the following interfaces:
8×RJ-11 ports to connect analogue phones;
1 Ethernet RJ-45 10/100BASE-T WAN port;
WLAN 802.11n
1
;
USB2.0 port to connect bulk memory, USB – modem or printer.
Gateway is powered by external 12V DC adapter for 220V electrical networks.
1
Only for TAU-8.IP-W
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