3com WX4400 3CRWX440095A Manual De Usuario

C

HAPTER

 19: RF D

ETECTION

 C

OMMANDS

Examples — The following command tests the RF link between the WX 
switch and the client with MAC address 00:0e:9b:bf:ad:13:

WX4400# test rflink mac 00:0e:9b:bf:ad:13

RF-Link Test to 00:0e:9b:bf:ad:13 :

Session-Id: 2

Packets Sent  Packets Rcvd  RSSI     SNR    RTT (micro-secs)

------------  ------------  -------  -----  ----------------

          20            20      -68     26        976

Table 110 describes the fields in this display.

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Table 110   test rflink Output

Packets Sent

The number of test packets sent from the WX switch to the 
client.

Packets Rcvd

The number of test packets acknowledged by the client.

RSSI

Received signal strength indication (RSSI)—the strength of 
the RF signal from the client, in decibels referred to 
1 milliwatt (dBm).

SNR

Signal-to-noise ratio (SNR), in decibels (dB), of the data 
received from the client.

RTT (micro-secs)

The round-trip time, in microseconds, for the client response 
to the test packets.