LNL-500
Intelligent System Controller
Quick Reference Guide
For detailed information, please refer to the LNL-500 tab in the READYKEY
PRO
Hardware Installation
Guide (49289).
1.0 The ISC Board
The ISC board contains the following
components (Refer to Figure 1):
A. two (2) unsupervised alarm inputs
B. one (1) RS-232 or RS-485 interface
C. two (2) downstream RS-485 interfaces
(which can consist of one 4-wire and
two 2-wire interfaces)
D. a set of three (3) status LEDs
E. one (1) bank of eight (8) dip switches
F. eleven (11) jumpers
G. one (1) power-in input
H. and one (1) memory backup
(3 volt lithium) battery
I.
one (1) TCP/IP Connector
Figure 1: LNL-500
1.1
Unsupervised Alarm Input Wiring
GND
CABINET
TAMPER
POWER
FAULT
GND
IN2
IN1
Figure 2: Unsupervised Alarm Input Wiring
If either of these inputs is not used, a jumper
wire should be installed.
If RS-485 communication is used, an RS-232
to RS-485 converter is required at the host
workstation.
