For detailed information, refer to the hardware documentation for the host
application.
© 2021 Carrier. All Rights Reserved. LenelS2 is a part of Carrier. 1 QR50L-1039E — 4.004
Intelligent Controller LNL-X4420 with Two Reader
Interfaces Quick Reference
General
The LNL-X4420 intelligent controller provides decision making, event reporting, and database storage for the Lenel
hardware platform. Two reader interfaces provide control for two doors.
The LNL-X4420 communicates with the host via on-board 10Base T/100Base-TX Ethernet port or the Micro USB
port (2.0) with an optional Micro USB to Ethernet adapter.
Two physical barriers can be controlled with the LNL-X4420. Each reader port can accommodate a read-head that
utilizes TTL (D1/D0, Clock/Data), F/2F or 2-wire RS-485 electrical signaling (OSDP reader for example) and also
provides tri-state LED control and buzzer control (one wire LED mode only). Four Form-C relay outputs may be
used for door strike control or alarm signaling. Eight inputs are provided for monitoring the door contacts, exit push
buttons, and alarm contacts. Input circuits can be configured as unsupervised or supervised. The LNL-X4420 requires
12 to 24 VDC for power.
LNL-X4420 Hardware
3.00 [76.20]
8.00 [203.20]
0.50 [12.70]
0.25 [6.35]
2.00 [50.80]
6.00 [152.40]
Ø.156 [Ø3.96}
8 places
2.00 [50.80]
NO
C
NC
NO
C
NC
OUT1
OUT2
C
NC
NO
C
NC
OUT3
OUT4
NO
TB10
TB11
DAT
D0
CLK
D1
BZR
LED
VO
TB8
GND
DAT
D0
CLK
D1
BZR
LED
VO
TB9
GND
READER 1 READER 2
TR+
TR-
GND
TB2
TR+
TR-
GND
TB3
IN3
IN4
TB4
IN1
IN2
TB5
TB6
IN5
IN6
TB7
IN7
IN8
TB1
GND
FLT
GND
VIN
GND
TMP
RESET
S2
BT1
3V BR/CR2330
^
|
1
S1
ON
2
3
4
J6
J2
J8
J9
J5
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
K
1
K
2
K
3
K
4
Output status LEDs Input status LEDs
J7
PASS 12V
1
2
3
4
5
R1
R2
D16
Battery: BR/CR2330
(replace annually)
S2: Reset switch
S1: DIP
switches
Status
LEDs
J2: Ethernet
jack
Earth
ground
J6: Micro USB
jack
J8: microSD
card
J7: Reader
voltage
select
5.50 [139.70]
J19
J19: Battery backup
+
1
3
2
4
J10
-
J10: Remote
status LED
connection
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