Red Network Connection Status Led - DSC TL280LE Guide D'installation

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 com-
municator.
Module Configuration Trouble (12 Flashes)
This trouble is indicated when the system account code or the receiver account have not been programmed. Disabled
receivers are excluded.

Red Network Connection Status LED

TL2803G(R)E / TL280LE(R)
BLINKING: Indicates communications in progress.
Once quickly for outgoing Ethernet transmission.
l
Twice quickly to indicate incoming Ethernet ACK/NACK.
l
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:
Ethernet 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)
NOTE: If the yellow LED is flashing, signal strength in table below is not valid.
See Table 7 for troubleshooting flashing yellow LED.
(Green LED 2) and (Yellow LED) Signal Strength
13