Sony GC89 User Guide - Page 104

CSD Specific Parameters, TCP/IP Optimisation, Start, Settings, Network and Dial-up Connections

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CSD Specific Parameters Required Preferred Connection Speed (bits/s) Connection Mode Compression Callback Number Useful information Select your preferred network connection speed from the drop down list provided: 9600 or14400. Select the method you want to use to connect to the network from the options provided: analogue, ISDN V.110 or ISDN V.120 Use to speed up data transfer. You can select to Enable Data Compression and Header Compression. Enter the number the callback should be made to. You can only use Callback if you are connecting to a source that gives permission for callbacks to be made, for example your company server. TCP/IP Optimisation To take full advantage of the high bandwidth of the PC Card, the TCP/IP window size parameter TCPWindowSize should be changed from the default Windows® setting of 16k for Windows 2000, or 64k for Windows XP. Sony Ericsson recommends a TCP/IP packet size of 43200 for optimum performance with the PC Card. An MTU size of 1450 is also considered optimal for EDGE networks. These settings are made automatically when the Wireless Manager is installed. They may be viewed and, if necessary, changed in the properties of the Sony Ericsson Wireless WAN network adaptor. Select Start Settings Network and Dial-up Connections, locate the Sony Ericsson Wireless WAN adaptor in the list, right-click on it and select Properties. Click Configure on the Advanced tab. If directed by your network operator, you may change the settings by selecting TCPWindowSize or MTU and changing the value. Changes to these settings require the network adaptor to be restarted. It is recommended that the laptop is rebooted. 104 Appendix A - Connection Parameters

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104
Appendix A - Connection Parameters
CSD Specific Parameters
TCP/IP Optimisation
To take full advantage of the high bandwidth of the PC Card, the TCP/IP window size parameter
TCPWindowSize should be changed from the default Windows
®
setting of 16k for Windows 2000,
or 64k for Windows XP. Sony Ericsson recommends a TCP/IP packet size of 43200 for optimum
performance with the PC Card. An MTU size of 1450 is also considered optimal for EDGE networks.
These settings are made automatically when the Wireless Manager is installed. They may be viewed
and, if necessary, changed in the properties of the Sony Ericsson Wireless WAN network adaptor.
Select
Start
Settings
Network and Dial-up Connections
, locate the Sony Ericsson Wireless
WAN adaptor in the list, right-click on it and select
Properties
.
Click
Configure
on the Advanced tab. If directed by your network operator, you may change the
settings by selecting TCPWindowSize or MTU and changing the value. Changes to these settings
require the network adaptor to be restarted. It is recommended that the laptop is rebooted.
Required
Useful information
Preferred
Connection
Speed (bits/s)
Select your preferred network connection speed from the drop down list
provided:
9600 or14400.
Connection
Mode
Select the method you want to use to connect to the network from the
options provided:
analogue, ISDN V.110 or ISDN V.120
Compression
Use to speed up data transfer. You can select to
Enable Data
Compression
and
Header Compression.
Callback
Number
Enter the number the callback should be made to. You can only use
Callback if you are connecting to a source that gives permission for
callbacks to be made, for example your company server.