Communicator Status Leds; Yellow Trouble Led - DSC TL280LE Guide D'installation

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NOTE: The SIM activation with the carrier can take several hours to complete. It is recommended the activation be com-

pleted prior to arrival on the customer site to avoid possible installation delays.

Once the SIM activation is complete, the communicator will automatically connect and download its programming from C24

Communications.

The communicator has four on- board LED indicators. These include one yellow trouble LED, one red network connection

status LED and two green signal strength LEDs. The LED meaning is described in this section.

Yellow Trouble LED

This yellow LED will flash to indicate a trouble on the unit. The number of flashes indicates the type of trouble. See the table

below for the coded flashes and the conditions which will activate the trouble status LED.

Flashes

NOTE: Only the highest priority trouble (2 flashes is the highest priority trouble) is indicated. When this trouble is restored,

the next highest trouble will indicate, if present. This will continue until all troubles have been cleared (yellow LED is

not flashing).

The following paragraphs describe the conditions associated with each trouble:

Panel Supervision Trouble (2 Flashes)

This trouble will be indicated when communication between the communicator module and the panel fails. If the module

can not communicate with the panel (e.g., loss of power to the panel) the communicator will send the 'Panel Absent Trouble

Event' message to the central station receiver. When communication returns, a 'Panel Absent Restore Event' is sent by the

communicator to the central station receiver. The reporting codes are ET0001 for trouble and ER0001 for restore. The

panel absent event always uses the primary receiver account code when communicating to the central station.

NOTE: The panel supervision trouble/restore are internally generated events by the communicator. Trouble is generated if

the communicator misses 6 polls. Trouble is restored on receipt of first poll from the panel.

Cellular Trouble (5 Flashes)

This trouble is indicated for any of the following 4 conditions:

1. Radio Failure:

Trouble is indicated after 8 failed attempts to communicate with the cellular radio.

2. SIM Failure:

Trouble is indicated after 10 failed attempts to communicate with the SIM.

3. Cellular Network Trouble:

4. Insufficient Signal Strength:

are OFF). Trouble will clear when the calculated average signal strength is above minimum (i.e., > CSQ 5).

NOTE: If Option [851][005] Bit 8 is Off, CSQ less than or equal to 4 will not trigger Cellular Trouble

Ethernet Trouble (6 Flashes)

This trouble is indicated when an Ethernet link between the transmitter and the local switch or router is absent. This trouble

will also be indicated if the unit fails to get Dynamic Host Control Protocol (DHCP) settings from the DHCP server. (Not active

if Ethernet receivers are not programmed).

Receiver Not Available (7 Flashes)

This trouble is indicated if the unit is not able to successfully initialize with any of the programmed receivers. Unprogrammed

receivers are excluded. This trouble is also indicated if the cellular receiver APNs have not been programmed in sections

[205] and [215].

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