INSYS GSM 4.2
INSYS GSM 4.2 compact
Overview
Sep-06
19
2.8
Interfaces, Display and Control Elements
The INSYS GSM has 5 LEDs for status displays and one reset key on the front.
2.8.1
Display elements
Each INSYS GSM has 5 LEDs on the front.
LED
Color On
Off
Blinking
Flashing
Power Gree
n
Supply OK
No supply
Status Yel-
low
GSM engine
logged into net-
work*
GSM engine not
logged into
network*
Data connection
Alternate blinking
with LED Connect, or
LED DCD: Factory
settings loaded
Initialization,
Processing of
alarms
,
Dispatch of
periodic alive
SMS, SMS poll-
ing and power
up SMS
Connect
(only IN-
SYS GSM 4.2)
DCD
(only IN-
SYS GSM 4.2
compact)
Yel-
low
Data connection
established
No data connec-
tion established
Alternate blinking
with LED state: Fac-
tory settings loaded
RX/TX Gree
n
Exchange of data
via RS232
No data ex-
change
Signal Gree
n
Best GSM signal
(field strength)*
GSM signal
(field strength)
too low*
Blinking interval
depending on GSM
signal (field
strength)*:
The higher the blink-
ing frequency, the
better the signal.
(see Chap. 3.9)
Blinking in intervals
of seconds during
the flash update
*) The periodical query of the login state and the GSM field strength must be active (command
AT**GSMREQ
).
