Receiver Supervision Trouble (8 Flashes)
This trouble is indicated when receiver supervision is enabled and communication between the communicator module and the
receiver fails. Trouble is indicated if Ethernet 1 and/or cellular 1 is supervised and does not receive a heartbeat from the
receiver or if cellular is supervised and the unit does not receive an acknowledgment to 4 heartbeats sent to the receiver.
FTC Trouble (9 Flashes)
This trouble is indicated when the unit fails to communicate module events to the central station. Trouble is displayed after the
unit has exhausted all communications attempts to all programmed receivers for events generated by the communicator.
Module Configuration Trouble (12 Flashes)
This trouble is indicated when the system account code or the receiver account have not been programmed. Disabled receiv-
ers are excluded.
Red Network Connection Status LED
TL2803G(R)E
BLINKING
: Indicates communications in progress.
l
Once quickly for outgoing Ethernet transmission.
l
Twice quickly to indicate incoming Ethernet ACK/NACK.
OFF
: This is the normal state of the red network connection status LED. There are no network connection issues present.
ON
: There is a problem with the Ethernet or the cellular network connection. LED will be ON if any of the following occur: Eth-
ernet cable is not connected, DHCP configuration times out, unit fails to get an IP address from the cellular network, or Cellular
connection has been reset.
(Green LED 1)
(Green LED 2) and
(Yellow LED) Signal Strength
NOTE:
If the yellow LED is flashing, signal strength in table below is not valid.
See
Table 8
for troubleshooting flashing yellow LED.
Table 7: Radio Signal Strength
Signal
Strength
CSQ
Level
Yellow
LED
Green
LED 2
Green
LED 1
Signal
Level
dBm
Action Required
Radio Not
Ready
N/A
N/A
Alternate
Flashing
Alternate
Flashing
N/A
If this status persists and the yellow LED shows 5
flashes, confirm that the SIM card is active.
Confirm cellular service is active in area.
Relocate panel or install external antenna.
No Signal
0
ON
OFF
OFF
-108.8
Check all antenna connections.
1 Bar
1 - 4
Flashing
See Note
OFF
Flashing
-108 ~ -
103
Relocate panel or install external antenna if yellow
trouble LED shows five flashes.
2 Bars
5 - 6
OFF
OFF
Flashing
-102 ~ -
99
3 Bars 7 - 10
OFF
OFF
ON
-98 ~ -91
Location is OK. Cellular signal strength is greater
than CSQ 7.
4 Bars 11-13
OFF
Flashing
ON
-90 ~ -85
5 Bars
14 +
OFF
ON
ON
-84 and
higher
NOTE:
The communicator will indicate cellular trouble (yellow LED = 5 flashes) if the calculated average CSQ Level is 4 or
less. The communicator signal strength can be viewed remotely with C24 Communications.
Network Activity LEDs - Red and Green(TL2803G(R)E only)
l
Ethernet Activity
: Red LED will blink quickly once for transmit, or twice for receive.
l
Cellular Activity
: Green LED 2 will blink quickly once for transmit, or twice for receive
Communicator Troubleshooting
NOTE:
For additional details:
l
Refer to section [983] for troubleshooting the firmware updates
l
Refer to section [984] to view the trouble status
13
