Spyder3 GigE User’s Manual PRELIMINARY
DALSA 03-032-10158-04
23
DALSA NetLink Universal IP Filter Driver Mode
The Universal IP Filter Driver mode is recommended for applications where flexibility is
more important than performance, but more performance is required than can be
achieved using only the Windows network stack.
Similar to the drivers used in standard mode, the Universal IP Filter Driver interoperates
with any vendor’s Ethernet network adapter. The driver shipped with the adapter is still
employed, but it communicates with the Filter Driver, instead of with the Windows
network stack.
All packets related to imaging are processed with high efficiency by the Universal IP
Filter Driver. Other packets are forwarded to the Windows stack. In this way, a single
network adapter can support both an imaging application and normal corporate LAN
functions, such as web browsing and email.
Note:
For more information and instructions on installing the drive, refer to the Spyder3
GigE Driver Manual. To view the manual, point to
Programs
→
DALSA QuickCam
→
Documentation
→
Spyder3 GigE Driver Manual
Driver Comparison
The performance metrics in
227H
Table 3 may help you determine which driver mode best suits
your application requirements. The measurements were taken using an Intel P4 2.8 GHz-
based PC with hyperthreading, 512 MB of memory, and Windows XP.
Although CPU performance and data transfer rates vary with PC configuration, relative
performance is roughly equivalent, independent of the PC.
Table 3: Driver Performance Comparison
High-Performance IP
Device Driver
Universal IP
Filter Driver
Native
Windows Stack
Maximum
Throughput
108 MB/s
82 MB/s
68 MB/s
CPU Usage
< 1%
< 15%
50%
With the hyper threading CPU used in these tests, the 50% CPU usage measured for the
Native Windows stack indicates that one complete processing thread was employed to
transfer the data. This leaves only one thread available for processing applications. By
contrast, with the DALSA NetLink Universal IP Filter Driver and the DALSA NetLink
High-Performance IP Device Driver, one complete thread and most of the second thread
are available for applications processing.
2.4 Camera Connectors
The camera uses:
•
An RJ-45 connector for Gigabit Ethernet signals, data signals, and serial
communications. Refer to section
228H
2.4.1 Ethernet Connector for details.
•
One 6-pin Hirose connector for power. Refer to section
229H
2.4.2 Power Connector for
details.
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