Product Info

Infinet Wireless: Technical Documentation – InfiMAN Evolution
Troubleshooting – 165
Pay attention to the following messages:
Messages in the log Description
Link DOWN The wireless link has disconnected. The reason for the disconnection is indicated in
the same entry.
"too many transmit
errors"
The wireless link was interrupted due to transmission errors.
"link reconnecting" The wireless link is reestablished.
"no signal from the
remote side detected"
There is no signal received, check the remote device.
Scrambling engine
overflow
The hardware capabilities of the scrambling module are exceeded. To connect
more subscribers (more than 62) scrambling should be disabled.
Warning: Abnormal
transmit power
disbalance!
May indicate a hardware problem.
Frequent changes in the status of the Ethernet interface ("Up" and "Down") may indicate problems with the
Ethernet interface, the cable connected to it, with the power supply, or with the switch.
8.4.7
Antenna alignment
Webinterface
The link degradation can be caused by antenna misalignment or by the appearance of obstacles along the signal's
propagation path.Use the built-in "Antenna Alignment Tool
". The recommended parameters are shown in the table
below. If the parameters differ significantly from the calculated ones, check the alignment accuracy on both link
sides.
RSSI (dBm)
-90 ... -80 The value is close to the receiver sensitivity level, only lower modulations are
available
-80 ... -60 Low level. Average modulations are available
-60 ... -40 The recommended value for maximum performance
>-40 The received signal level is too high
Absolute value EVM (dB)
>21 Recommended value