
UniMod GSM-3+
Capter 8 Additional Functions
19
8.2
Signal Quality
When the modem operates in CSD mode the INF-LEDs show the current
field strength of the GSM signal. When the display is updated (every three
seconds) the first LED flickers shortly. The second and third LED display
the signal quality. Encoding see table below. (
:
LED on /
¤
: LED off):
INF-LED Signal level
Description
¤ ¤
-99dBm to -113dBm
Bad signal quality, transmission may be
disturbed.
¤
-83dBm to -97dBm
Low signal quality;
¤
-67dBm to -81dBm
Medium signal quality;
-51dBm to -65dBm
Good signal quality;
¤ ¤
¤
¤ ¤
undefined
No signal quality information available;
¤
¤
¤
undefined
Modem logged in GPRS-Network: second and
third LED flash alternately. In GPRS mode field
strength can not be displayed.
During the connection and 60 seconds after it is the signaling
disabled!
Содержание UniMod GSM-3+
Страница 4: ...UniMod GSM 3 4...
Страница 29: ...UniMod GSM 3 29...
Страница 30: ...UniMod GSM 3 SUBJECT TO CHANGE WITHOUT NOTICE...