TTE Combo Communication Module – Installation and Programming Manual
10
2.4 TTE Combo Module LED Indication
The LED indication of TTE Combo communication module has the following meaning during
operation.
The LED Indication has the following meaning:
PSTN
(green)
The PSTN line is missing or it is unavailable.
The PSTN line is available.
RSSI
Signal
Strength
The signal strength is poor (from -111 to -91 dBm).
The signal strength is good (from -90 to -70 dBm).
The signal strength is very good (from -69 to -51 dBm).
Main
Receiver
Blinking
Slow
(1 sec)
Green
Successful connection with the Main Receiver station via the Main
IP address and the Main communication media (GPRS/LAN).
Red
No connection with the Main Receiver station. Possible problem
with the used communication media GPRS or LAN.
• Possible troubles with the SIM card (GPRS media):
1. The SIM card is missing.
2. The SIM card could not register to the available GSM/GPRS
network.
3. Active PIN code for verification.
• No signal/link.
• Wrong configuration (Server type, IP, Port, Encr. Key, etc.)
Orange
There is at least 1 transmitted and received (confirmed) event in a 3
sec. time interval.
Fast
(0.25 sec)
Green-
Orange
Successful connection with the Main Receiver station via the Main
IP address and the Backup communication media (GPRS/LAN).
Receiver
LED indication for the Backup Receiver station. The description is the same as the one for
the Main Receiver.
RJ-45
(LAN
connector
indication)
LAN Status
①
LED LAN Action. The LED is blinking when there is activity on the
link; otherwise, the LED is on.
②
LED LAN Link. The LED is lit on when there is a link to an Ethernet
device; otherwise the LED is off.
1. PSTN - LED for presence of PSTN telephone line.
2. RSSI – 3 LEDs for the signal strength of the available
GSM/GPRS network.
3. Main/Backup Receiver - LED for Main/Backup
Receiver status.
4. LAN LEDs – LEDs for LAN network status.
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