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Operation
© Gyr
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– E65C – CU-P40, P41, P42 – User Manual
5
Operation
The communication unit CU-P4x features four LEDs to display status infor-
mation on the operation state. These LEDs are visible through below the
faceplate.
5.1
LED status description pre D72 firmware
LED
Status
RX (orange)
TX (orange)
CON (green)
GSM (yellow)
1
SIM-card missing or
defective
Blinking intermittently for modem
initialisation
(repeated every 14 s)
off
Fast blinking
(0.5 s on/0.5 s off)
Wrong PIN code
2
Fast blinking
(0.5 s on/0.5 s off)
Fast blinking
(0.5 s on/0.5 s off)
Fast blinking
(0.5 s on/0.5 s off)
Fast blinking
(0.5 s on/0.5 s off)
CSD call setup in pro-
gress either in GSM
mode or GPRS mode
Flickering when
data received
3
Flickering when
data sent
3
Fast blinking
(0.5 s on/0.5 s off)
on
GSM standby mode
Field strength
indication, see
table in section
5.4
Field strength
indication, see
table in section
5.4
Blinks every 3 s,
if ≥ 3 stations
received, off if
< 3 stations
5
Slow blinking
(0.3 s on/2.7 s off)
GSM data transfer mode
either in GSM mode or
GPRS mode
Flickering when
data received
3
Flickering when
data sent
3
on
on
IP address is being
fetched
4
Flickering when
data received
3
Flickering when
data sent
3
Slow blinking
(1 s on/1 s off)
Slow blinking
(0.3 s on/2.7 s off)
Offline mode (fetching
IP address failed, con-
nection lost, etc.)
4
Flickering when
data received
3
Flickering when
data sent
3
off
Fast blinking
(0.5 s on/0.5 s off)
GPRS fixed IP standby
mode
Flickering when
data received
3
Flickering when
data received
3
Slow blinking
(2 s on /1 s off)
Slow blinking
(0.3 s on/2.7 s off)
GPRS fixed IP or dy-
namic IP data transfer
mode with data transfer
Flickering when
data received
3
Flickering when
data sent
3
on
Slow blinking
(0.3 s on/2.7 s off)
CU has connected with
dynamic IP server but
no data transfer
Flickering when
data received
3
Flickering when
data received
3
on
Slow blinking
(0.3 s on/2.7 s off)
1
GSM LED: Fast blinking means there is a condition that prevents communica-
tions to be established. Slow blinking or on indicates normal operation.
2
Check PIN code or deactivate it via mobile phone on the SIM-card, see
instructions in section 5.3 "Wrong PIN code"
3
Via GSM/GPRS modem or RS232 interface or RS485 interface or wireless
modem activity
4
Check the TCP/IP settings of the CU
5
The number of stations includes the serving station and the neighbor cells
5.2
LED status description D72 firmware