CLIF-CBUSLC INTERFACE – INSTALLATION & COMMISSIONING INSTRUCTIONS 
EN1Z-1026GE51 R0417  10 
lower, the automatic installation does not work: Please down-
load the appropriate USB driver prior to the installation at: 
 
http://catalog.update.microsoft.com/v7/site/ScopedViewRedire
ct.aspx?updateid=37e35bd4-d788-4b83-9416-f78e439f90a2 
 
Please connect the controller to the PC as described in 
section "Windows 8" and perform the general installation 
procedures for drivers in Windows 10. 
 
Ethernet / RJ45 Socket 
The CLIF-CBUSLC is equipped with an Ethernet / RJ45 
socket featuring one LED. 
 
J1 J8
Ethernet / RJ45 socket
 
Fig. 7. Ethernet / RJ45 socket 
This Ethernet / RJ45 socket is a 10/100-Mbaud Ethernet 
interface permitting communication with a SUSI client like 
ARENA
AX
, ARENA
NX
, COACH
AX
, COACH
NX
, or ARENA 3.0 
(as per IEEEC 802.3)  
 
LINK/ACT.
 
Fig. 8. Ethernet / RJ45 socket 
 
NOTE:  The Ethernet / RJ45 socket is usually earth-
grounded. For additional information on earth 
grounding, see also "Appendix 1: Earth Grounding" 
on pg. 22. 
 
LEDs 
The CLIF-CBUSLC features the following LEDs: 
 
Fig. 9. CLIF-CBUSLC LEDs 
Table 5. CLIF-CBUSLC LEDs 
symbol
color  function, description 
L1 yellow unused 
L2 yellow 
LED indicating that a SUSI client 
(ARENA
AX
, COACH
AX
 or ARENA 3.0) is 
connected 
Tx yellow 
RS485-1 status LED indicating trans-
mission of C-Bus signals 
Rx yellow 
RS485-1 status LED indicating reception 
of C-Bus signals.  
!
red  status LED indicating hardware problems 
green power LED 
 
See also section "Troubleshooting" on page 21 for a detailed 
description of the behaviors of the LEDs and their meanings. 
 
RS485 Interface 
General 
The CLIF-CBUSLC has one C-Bus interface: 
  RS485-1 (consisting of push-in terminals 24 [GND-1], 25, 
and 26) is isolated. 
 
RS485-1 Bias and Termination Resistors 
RS485-1 is equipped with a three-position slide switch which 
can be used to switch its bias resistors OFF (position "MID" – 
this is the default and the only allowed setting), ON (position 
"BIAS"), and ON with an additional 150Ω termination resistor 
(position "END"). 
 
J1 J8
RS485-1
3-POSITION SLIDE SWITCH
MID
BIAS
END
 
Fig. 10. RS485-1 three-position slide switch 
 
The slide switch setting must remain in the leftmost position 
for "MID".