Terminal Block Connections; Wire Size Requirements - DSC LC-171 Manuel

7

Terminal Block Connections

Terminal 1 - Marked "-" (GND) - Connect to the ground of the Control Panel.
Terminal 2 - Marked "+" (+12V) - Connect to a positive Voltage of 9.6 -16Vdc source of the
Control Panel.
Terminals 3 & 4 - Marked "TAMP" - If a Tamper function is required connect these
Terminals to a normally closed 24-Hour Tamper Zone on the Control Panel.
If the top cover of the detector is opened or the detector is detached from installation wall, an
immediate alarm signal will be sent to the Control Panel.
Terminal 5 - Marked "EOL" - End of line – optional terminal for end of line resistors
connections.
Terminals 6, 7 & 8 - Marked "NC / C / NO" - These are the output relay contacts of the
detector. Connect to a zone input on the control unit. When an intruder is detected, alarm
relays (N.C. and N.O.) will switch for 1.8 sec.

7.1 Wire Size Requirements

Use #22 AWG or larger wires. Use the following table to determine required wire gauge and
length.
Wire Length [m]
Wire Length [ft.]
Wire Gauge [#]
250 350 600
800 1200 2000
22 20 18
9
1000
3400
16
EN