SmartLock
®
Controller
Page 10 of 26
Installation Manual
Nov 2018 • Rev. 3.2
RS-485 Communications Wiring
Up to 30 SmartLock access control panels may be connected on an RS-485
bus.
NOTE
:
For legacy CLA50 and CLAUSB2 communications device wiring please see
Appendix
section.
CLAUSB COMMUNICATIONS DEVICE
NOTE:
The EIA RS-485
standard does not permit
T-Tap or Star connections.
1
2
3
4
5
6
7
8
O
N
COMMS
LED
SMARTLOCK
CONTROLLER
#1
6 5 4 3 2 1
Serial
SW
USB
PWR
RxD
TxD
1 2 3 4
ON
R
S
-4
8
5
DIPSWITCH
SETTINGS
TO USB PORT
(CABLE SUPPLIED)
SHIELD
B A GND
GND
+12 VDC
SMARTLOCK
CONTROLLER
#2
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
- Use the CLAUSB factory default
jumper settings for communications
with Smartlock controllers.
open the CLAUSB and change the
jumper settings.
DO NOT
NOTES:
CLAUSB
ADDRESS “1” SHOWN
(Dipswitch 1 is OFF)
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
GND
+12 VDC