ES720.1 - User’s Guide
51
ETAS
Troubleshooting Problems
• Right click on the used network adapter and select
Disable
in the context menu.
• In order to reactivate the network adapter right
click on it again and select
Enable
.
Cause: Laptop
power
management deactivates the network card
The power management of a laptop computer can deactivate the network card.
Therefore you should turn off power monitoring on the laptop.
To switch off
power monitoring on the laptop:
• From the Windows Start Menu, select
–
Windows XP:
Control Panel
System
.
Then select the
Hardware
tab and click on
Device Manager
.
–
Windows Vista:
Control Panel
System and
Maintenance
Device Manager.
• In the Device Manager open the tree structure of
the entry
Network Adapters
.
• Right click on the used network adapter and select
Properties
in the context menu.
• Select the
Power Management
tab and deactivate
the
Allow the computer to turn off this device
to save power
option.
• Select the
Advanced
tab. If the property
Auto-
sense
is included, deactivate it also.
• Click
OK
to apply the settings.
Cause: Automatic disruption of network connection
It is possible after a certain period of time without data traffic that the network
card automatically interrupts the Ethernet connection. This can be prevented by
setting the registry key
autodisconnect
.
To set the registry key
autodisconnect
:
• Open the Registry Editor.
• Select under
HKEY_LOCAL_MACHINE\SYSTEM\
ControlSet001\Services\lanmanserver\
parameters
the Registry Key
autodisconnect
and change its value to
0xffffffff
.
7.3.2
Personal Firewall blocks Communication
Cause: Permissions given through the firewall block ETAS hardware
Personal firewalls may interfere with access to ETAS Ethernet hardware. The
automatic search for hardware typically cannot find any Ethernet hardware at all,
although the configuration parameters are correct.
Summary of Contents for ES720.1
Page 1: ...ES720 1 Drive Recorder User s Guide...
Page 22: ...ES720 1 User s Guide 22 Hardware Description ETAS...
Page 34: ...ES720 1 User s Guide 34 Description of Functions ETAS...
Page 56: ...ES720 1 User s Guide 56 Troubleshooting Problems ETAS...
Page 82: ...ES720 1 User s Guide 82 Cable and Accessoires ETAS...
Page 90: ...ES720 1 User s Guide 90 ETAS Contact Addresses ETAS...
