SmartLock
®
Controller
Page 25 of 26
Installation Manual
Nov 2018 • Rev. 3.2
Appendix
CLA50 COMMUNICATIONS WIRING
1
2
3
4
5
6
7
8
O
N
COMMS
LED
SMARTLOCK
CONTROLLER
R
S
-4
8
5
B A GND
GND
+12 VDC
O
N
8
1
+
5
V
+
1
2
V
N/O
N/C
O
F
F
N/C
N/C
N/O
N/O
- Each Smartlock controller must
have a unique address
- For communication wiring, use 22
AWG, twisted pair, stranded,
shielded cable, 2000 ft (
) MAX
total length.
609 m
-
open the CLA50 and
change the jumper settings or DIP
switch settings.
DO NOT
NOTES:
ADDRESS “1” SHOWN
(Dipswitch 1 is OFF)
GND
B
A
12 VDC PLUG IN TRANSFORMER
2.1 mm PLUG, CENTRE POSITIVE
(SUPPLIED)
TO COMPUTER
DB9 SERIAL PORT
(CABLE SUPPLIED)
O
N
O
F
F
O
N
8
1
+
5
V
+
1
2
V
ADDRESS
SWITCH
B A GND
B A GND
TO OTHER
SMARTLOCK
CONTROLLERS
- 30 CONTROLLERS MAXIMUM
- 609 m (2000 ft.) MAXIMUM LENGTH
SHIELD
SHIELD
GND
+12 VDC
SMARTLOCK
CONTROLLER
#2
NOTE:
The EIA RS-485
standard does not permit
T-Tap or Star connections.