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telephone number via the control panel PGM output. If after that the red trouble LED stays on steady,

the LINKS is transmitting. If it doesn’t, the LINKS can’t find a voice channel. The panel will time-out and

attempt the call again. Try using an antenna extension kit to relocate the antenna.

D. Do not disconnect the telephone line between the LINKS and control panel when testing. Only

disconnect the telephone line at the RJ31X jack when testing the LINKS1000.

Number of LED Flashes Trouble Time-outs for LINKS failures

2 flashes AC Trouble 30 minutes

3 flashes Battery Trouble 2 minutes, 40 seconds

4 flashes Loss of Cellular Communication 30 seconds

6 flashes Tamper Trouble 30 seconds

7 flashes Internal Trouble 30 seconds

8 flashes PGMIn Trouble 30 seconds

Table 2 — LED1 Indications

AC Failure: Loss of AC power to the LINKS1000 for more than 30 minutes is indicated by an AC failure.

Battery Fault: A battery fault indicates that the LINKS1000 stand-by battery voltage is below 11.5 volts or there

is a problem with the battery connection.

Loss of Cellular Communication: Indicates that the LINKS1000 is not able to communicate with the cellular

network. Ensure the antenna connections and cabling are secure and undamaged, and that the antenna has

not been obstructed by metal objects. Check the signal strength LED’s as described in the “Relocating the

Antenna” section of this manual.

Tamper Fault: Indicates that the tamper contact is open. If a tamper switch is not installed, ensure that a jumper

is securely connected between the “TMP” and “GND” terminals.

Internal Fault: Indicates that an internal fault has occurred. Return the unit to your distributor for repairs.

PGMIn Fault: Indicates that there is a problem with the connection between the LINKS PGMIn terminal and the

security system’s PGM terminal. Check the following:

•Ensure that the PGMIn terminal is connected to the security system’s PGM terminal

•Ensure that the security system’s PGM Output has been programmed for LINKS operation

•Ensure that no other connections have been made to the security system’s PGM terminal

•Ensure that the LINKS GND terminal is connected to the security system’s ground terminal

•Ensure that a resistor has been added (for the PC1550, PC4010, PC4020, PC4020KT, PC5010, P16LC,

P1664 and Sur-Gard DC1664LC only). Refer to the Hook-up Diagram for information on the resistor required

When using End-of-Line Resistor Loops, connect the LINKS Trouble terminal(s) to unused zone(s) on the

control panel, and program the zone as a 24-hour Silent Zone (when using the PC4010, PC4020, PC4020KT

or PC5010, program the zone as “LINKS Supervisory”). The Alarm and Restoral Reporting Codes for that zone

LINKS TROUBLE SUPERVISION

The LINKS1000 automatically monitors its operation and indicates trouble conditions by flashing LED1 on the

circuit board. LED1 normally flashes once every 10 seconds when the LINKS is in stand-by (ready to transmit)

mode. Troubles are indicated when LED1 flashes more than once at each 10 second interval. Shown below

are the number of flashes used to indicate each trouble condition. If more than one trouble is present, only

the first trouble is indicated. When that trouble is cleared, the next will be indicated.

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DSC PC1575 Manual de instalación Pagina 28