Grandstream Networks GXW400x - Manual (Page 22)

Grandstream Networks, Inc. GXW-400x User Manual Page 22 of 39
Firmware 1.0.0.39 Last Updated: 5/2007
Self Defined Time
Zone The syntax is std offset dst [offset],start[/time],end[/time]
Default is set to : MTZ+6MDT+5,M3.2.0,M11.1.0
MTZ+6MDT+5,
It indicates a time zone with 6 hours offset with 1 hour ahead which is the US
central time.
It is positive (+) if the local time zone is west of the Prime Meridian and negative
(-) if it is east.
Prime Meridian (a.k.a: International or Greenwich Meridian)
M3.2.0,M11.1.0
The 1
st
number indicates Month: 1,2,3,..,12 (for Jan, Feb, .., Dec)
The 2
nd
number indicates the n
th
iteration of the weekday: (1st Sunday, 3rd
Tuesday etc)
The 3
rd
number indicates Weekd ay: 0,1, 2, ..,6(for Sun, Mon, Tue, .., Sat)
Therefore, this example is the DST which starts from the second Sunday of
March to the 1st Sunday of November.
Language Default is English. Languages supported with voice prompt.
Device Mode This parameter controls whether the device is working in NAT router mode or
Bridge mode. Save the setting and reboot prior to configuring the GXW.
Enable UPnP
support If set to “Yes”, the GXW400x would act as an UPnP gateway for your UPnP
enable applications.
UPnP - Universal Plug n Play
WAN side HTTP
Access If set to “Yes”, user can access the configuration page through the WAN port,
instead of through the “PC” port. Warning: this configuration is less secure than
default option. Default is No.
Reply to ICMP on
WAN port If set to “Yes”, the GXW400x will respond to the PING command from other
computers, but it also is vulnerable to the DOS attack. Default is No.
Cloned WAN MAC
Addr This allows you to change/set the MAC address on the WAN interface.
LAN Subnet Mask Sets the LAN subnet mask. Default value is 255.255.255.0
LAN DHCP Base IP Base IP for the LAN port which functions as a Gateway for the subnet.
Default value is 192.168.2.1.
DHCP IP Lease Time Value is set in units of hours. Default value is 120 hrs (5 Days.) The time IP
address is assigned to the LAN clients.
DMZ IP Forward all WAN IP traffic to a specific IP address if no matching port is used by
GXW400x or defined in port forwarding.
Port Forwarding Forwards a matching (TCP/UDP) port to a specific LAN IP address with a
specific (TCP/UDP) port.
In addition to the Basic Settings configuration page, the end user also has access to the Device Status
page.