11
Ground Connection
Connect the LINKS “AUX-GND” terminal to the control panel “GND” terminal. AUX- or KEYPAD BLACK and ZONE
COMMON are also good ground connections.
A good ground connection is essential for proper operation.
Connect a ground cable from the Cabinet Ground connection to an earth ground, such as a copper cold water
pipe, by the shortest and most direct route. Ensure that the cold water pipe connection provides path to ground.
Do not make the ground connection to a plastic cold water pipe!
Tamper Terminal
The “TMP” terminal on the LINKS1000 is provided for a cabinet tamper switch. If a tamper switch is not used,
then a wire jumper must be connected between the “TMP” and “GND” terminals.
Supervision of LINKS-to-Panel Connection
To make use of the cable tamper alarm simply connect an end-of-line resistor, of the value indicated on the
hook-up diagram, across the GND terminal and the LINKS SYS TBL terminal. If the cable between the LINKS
and the control panel is cut, a fault will be presented to the LINKS1000 supervisory zone.
NOTE: Resistor must be installed in LINKS cabinet.
LINKS SYS TBL Terminal
When jumper J1 is shorted, this terminal is used to report all troubles to the attached control panel, including
the AC and Battery troubles. The AC TBL and BAT TBL terminals will be disabled when J1 is shorted.
When jumper J1 is open, the AC TBL and BAT TBL will be reported at their respective terminals. All other
troubles will be reported through the LINKS SYS TBL terminal.
The LINKS SYS TBL terminal will switch to ground whenever a trouble condition is present on the LINKS unit. The
terminal will remain switched to ground for as long as a trouble condition exists. This feature is used to report LINKS
trouble conditions through the control panel via a zone programmed for LINKS Supervision (see programming
guide for instructions). Also, when a resistor is connected across GND of the LINKS and the SYS TBL of the LINKS,
then connected to the designated LINKS supervision zone, the control panel will report an open in the connection
between the LINKS and the control panel (see instructions for correct resistor value).
When using Normally Closed Loops, connect a DSC Model RM-1 Relay to the control panel and the LINKS
as described below. The Alarm and Reporting Codes programmed for the zone connected to the yellow lead
of the RM-1 will be used to report a general trouble and restore on the LINKS. Note that the PC5010, PC5015,
PC1555, PC1565, PC5008, PC580, PC585, PC4010, PC4020 and PC4020KT always use an end-of-line
resistor regardless of how zone supervision is programmed.
RM-1 Lead
Connection
Yellow
Control Panel Zone terminal
White
Control Panel COM terminal
Red
Control Panel AUX terminal
Black
LINKS PGM terminal
Green
No connection
AUX IN Terminal
When this terminal is temporarily shorted to ground, the LINKS1000 will dial the phone number that is
programmed in the emergency phone number position. This phone number has to be a direct access line, it
can not be dialed to a PBX and then into an extension.
NOTE: This input is a 24-hour, silent terminal and the Panic phone call will be connected through the cellular network.
If this input is triggered, the panel will be disconnected from the cellular network. Please use this input carefully.
LINKS PGMIn Terminal - Serial Input for Central Station Telephone Number
The connection between the control panel PGM and the LINKS1000 PGMIn is very important. It carries the
telephone number of the central station to LINKS, the LINKS then dials that number through the cellular network.
The PC 1550, PC4010, PC4020 and PC4020KT require a 1K ohm resistor connected between the control panel
PGM and the AUX+. The PC1575, PC1580, PC5010, PC1555, PC1565, PC5015, PC5008, PC580, PC585,
P16LC and P1664 require a 5.6K ohm resistor. The PC2525, PC2550, PC3000 do not require a resistor across
PGM and AUX+. For PC4010/PC4020 software version 3.0 and up, connect a 5600ohm resistor between the
control panel AUX- and PGM terminals. Refer to hook up diagram in this manual.
The maximum distance (wire length) the LINKS should be mounted from the control panel is 3 feet.
