Cisco Aironet 1430 Series Panduan Memulai - Halaman 20

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For the signal level (dBm), a smaller number represents a stronger signal because the signal
Note
level is given as a negative value.
Table 4
LED Installation Mode Signal Strength Display
Signal Level (dBm)
>–42
–45 to –42
–48 to –45
–51 to –48
–54 to –51
–57 to –54
–60 to –57
–63 to –60
–66 to –63
–69 to –66
–72 to –69
–75 to –72
< –75
1. Fast blink rate is 1 blink/sec.
2. Slow blink rate is 2 blinks/sec.
3. Very slow blink rate is 4 blinks/sec
When using LEDs to maximize the signal, adjust the antenna until as many LEDs as possible are turned
on and the rest are blinking as fast as possible.
Aligning the Antenna Using the RSSI Voltage
The RSSI port produces a DC voltage that is proportional to the received signal level. The RSSI voltage
is available whenever a signal is present, regardless of the bridge mode (installation or normal),
association status, or pre configuration role setting. In Install mode, the RSSI voltage provides an
20
THIRD FCC DRAFT (CISCO CONFIDENTIAL)
Uplink LED
On
1
Fast blink
2
Slow blink
3
Very slow blink
Off
Off
Off
Off
Off
Off
Off
Off
Off
Status LED
Radio LED
On
On
On
On
On
On
On
On
On
On
1
Fast blink
On
2
Slow blink
On
3
Very slow blink
On
Off
On
Off
Fast blink
Off
Slow blink
Off
Very slow blink
Off
Off
1
2
3