Chapter 6 The OS X Configuration Utility
PLA-401 v3 User’s Guide
54
6.1.9 Download Firmware
Use this screen to go to the ZyXEL download library from where you can download
firmware to your computer.
Figure 27 Download Firmware
6.2 Firmware Detection Tool
Use the Firmware Detection Tool to detect the firmware version of the
powerline devices on your network. All powerline devices of the same type should
Avg. Attentuation/
Carrier
This field displays the average attenuation measured in dB.
Attenuation is the reduction in strength of a signal as it travels
over a transmission line. Use this field to check the reduction in
the strength of the signal between two devices.
Attenuation may vary considerably across a powerline network
as line conditions also vary. A typical level of attenuation may be
40 dB, but may reach over 70 dB, depending on line quality and
distance.
A main cause of attenuation is the power requirements of
appliances on your electrical circuit. Powerline traffic near an
appliance such as a refrigerator may be affected by attenuation
more than on other sections of your powerline.
Avg. Output Power/
Carrier
This field shows the average power produced by the source
device. Power levels should be constant and limited by the
output power standard of your country. Unusually high output
power levels may damage your device.
Clear Statistics Click this button to reset all counters in this screen to zero.
Close Click this button to close this window.
Table 12 Link Information (continued)
LABEL DESCRIPTION
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