47 VoIP Subscriber Gateways
SMPS - Dynamic – when checked, Spatial Multiplexing Power Save Dynamic method
is available;
Green Field – when checked, compatibility with IEEE 802.11b/g;
Delayed Block Ack – when checked, delayed data block acknowledgment mode is
enabled, otherwise immediate acknowledgment is used;
Set A-MSDU to 7935 octets – when checked, max size of A-MSDU is 7935 bytes
otherwise it is 3839 bytes;
DSSS/CCK mode (for 40 MHz) – when checked, DSSS/CCK modulation operation
mode is used;
PSMP support – when checked, Power Save Multi-Poll will be used for down town;
L-SIG TXOP support – when checked, L-SIG TXOP method of combined protection for
data transmission (802.11n) is used;
STBC support at reception (1 stream) (RX-STBC1), STBC support at reception (up to
2 streams) (RX-STBC2), STBC support at reception (up to 3 streams) (RX-STBC123) –
when checked, signal reception with supporting STBC (space time block codes)
encryption is enabled;
TX-STBC – when checked, data encryption is used to improve signal-to-noise ratio;
Short guard interval (20 MHz) (SHORT-GI-20) – when checked, guard interval for 20
MHz operation mode is equal to 400 ns (data speed is up to 150 Mbps), otherwise-
800 ns (data speed is up to 130 Mbps);
Short guard interval (40 MHz) (SHORT-GI-40) – when checked, guard interval for 40
MHz operation mode is equal to 400 ns (data speed is up to 300 Mbps), otherwise-
800 ns (data speed is up to 270 Mbps);
WMM – Wi-Fi Multimedia (WMM) operation mode setting. This operation mode
allows you to quickly and efficiently transmit audio- and video content
simultaneously with data transmission.
To store changes to the operative memory of the device, click the Save Changes button. To store
settings into the non-volatile memory, click Apply button.
The ‘DHCP Server’ submenu
The submenu is available only for TAU-8.IP-W devices.
In the DHCP server submenu, you may configure a local DHCP server.
DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses to the
computers. DHCP eliminates limitations associated with the manual TCP/IP protocol configuration.
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