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LNL-4420 Intelligent Dual Reader Controller
36.2
The IDRC Board
The IDRC board contains the following components: one (1) host Ethernet interface, one (1) RS-485
interface, one (1) power-in input, two (2) unsupervised alarm inputs, eight (8) unsupervised/supervised
inputs, two (2) reader interfaces, four (4) output relays, four (4) DIP switches, and eight (8) jumpers. It also
contains a set of 22 status LEDs and one (1) memory backup (3 volt lithium) battery.
BATTERY: BR / CR2330
REPLACE ANNUALLY
0.50 [12.70]
2.00 [50.80]
8.00 [203.20]
3.00 [76.20]
2.00 [50.80]
0.50 [12.70]
188 —
revision 7
The LNL-4420 Board
STATUS
RESET SWITCH
LEDs
6.00 [152.40]
5.50 [139.70]
S2
J11
5V
J1
INPUT
OUTPUT
STATUS
STATUS
LEDs
LEDs
CHASSIS GROUND
PROCESSOR
STATUS LED
3.3V
PROCESSOR
J9
RESET SWITCH
J5
8V
Ø0.156 [Ø3.962]
DIP
SWITCHES
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