8-2
EB 9510 EN
Operation
Table 8-1:
LEDs and their meaning
LED
Color
Illuminated
Blinks
ERR
Red
Error or failure
2x: GSM module without SIM card
3x: incorrect PIN
FTP
Green
Fast blinking: data transmission in progress
GSM
Green
Searching for a network
1x: GSM connection OK
2x: server connection OK
3x: PIN code failed
4x: hardware error
Fast blinking: incoming SMS text message
SYS
Green
1x: system ON
Table 8-2:
Signal strength reading
Reading
CSQ value
1)
Signal quality
Red LED
R
< 8 (< –96 dBm)
No signal
Red LED + 1x green LED
R
G
< 15 (< –82 dBm)
Poor quality
Red LED + 2x green LEDs
R
G
G
< 21 (< –70 dBm)
Fair quality
Red LED + 3x green LEDs
R
G
G
G
≥ 21 (≥ –70 dBm)
Good quality
1)
CSQ (Cell Signal Quality), parameter to indicate the signal strength (signal quality) in mobile net-
works
Service key
Red LED
Green LEDs
Fig. 8-1:
Signal strength indication
Fig. 8-2:
Aligning the antenna
Summary of Contents for 5007-2 Series
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