Grandstream gxw-4004 Manuel D’Utilisation
Grandstream Networks, Inc.
GXW400x User Manual
Page 21 of 36
Firmware 1.0.1.8
Last Updated: 5/2008
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 (International or Greenwich Meridian)
M3.2.0,M11.1.0
The 1st number indicates Month: 1,2,3,..,12 (for Jan, Feb, .., Dec)
The 2nd number indicates the nth iteration of the weekday: (1st Sunday, 3rd
Tuesday etc)
The 3rd number indicates Weekday: 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.
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 (International or Greenwich Meridian)
M3.2.0,M11.1.0
The 1st number indicates Month: 1,2,3,..,12 (for Jan, Feb, .., Dec)
The 2nd number indicates the nth iteration of the weekday: (1st Sunday, 3rd
Tuesday etc)
The 3rd number indicates Weekday: 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.
mode. Save the setting and reboot prior to configuring the GXW.
NAT maximum ports
Maximum NAT ports, typically one connection per port.
NAT TCP timeout
NAT TCP timeout in seconds
NAT UDP timeout
NAT UDP timeout in seconds.
Uplink Bandwidth
ISP specified WAN uplink bandwidth
Downlink Bandwidth
ISP specified WAN downlink bandwidth
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
applications. UPnP - Universal Plug n Play
Reply to ICMP on WAN
port
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.
but it also is vulnerable to the DOS attack. Default is No.
WAN side HTTP/Telnet
Access
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.
through the “PC” port. Warning: this configuration is less secure than default option.
Default is No.
Cloned WAN MAC Addr This allows you to change/set the MAC address on the WAN interface.
Enable LAN DHCP
Default is Yes.
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.
Default value is 192.168.2.1.
LAN DHCP Start IP
Default is 100
LAN DHCP End IP
Default is 199
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.
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.
GXW400x or defined in port forwarding.