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The communicator has 4 on-board LED indicators. These include 1 yellow trouble LED, 1 red net-
work connection status LED, and 2 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.
Table 6: Yellow Trouble Status LED
# of
Flashes
2
Panel Supervision Trouble
4
SIM Lock Trouble
5
Cellular Trouble
6
Ethernet Trouble
7
Receiver Not Available Trouble
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 the trouble indicated:
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 cen-
tral station.
NOTE: The panel supervision trouble/restore are internally generated events by the communica-
tor. Trouble is generated if the communicator misses 6 polls. Trouble is restored on
receipt of first poll from the panel.
SIM Lock Trouble (4 Flashes)
This trouble occurs when the SIM lock feature has been enabled and the unit has been pro-
grammed with the wrong PIN for the SIM card.
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: Trouble is indicated for loss of the registration to the network pro-
vider.
4. Insufficient Signal Strength: Trouble is indicated if calculated average signal strength is too
low. (Both green LEDs are OFF). Trouble will clear when the calculated average signal
strength is above minimum (i.e., > CSQ 5).
NOTE: If Option [851][006] Bit 8 is Off, a CSQ less than or equal to 4 will not trigger Cellular
Trouble
Ethernet Trouble (6 Flashes)
This trouble is indicated when the 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 pro-
grammed).
HSPA(3G) Alarm Communicator Installation Manual
C
OMMUNICATOR
Trouble
S
L
TATUS
# of
Flashes
8
Receiver Supervision Trouble
9
FTC Trouble
10
Not Applicable
12
Module Configuration Trouble
15
EDS
Trouble
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