Installation Guide
Table Of Contents
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Make sure CAN high (CAN_H) is connected to the CAN high pin, and 
CAN low (CAN_L) is connected to the CAN low pin of your CAN device. 
Fiber Cable 
ST-Port Pinouts 
ST-Port to ST-Port Cable Wiring 
ATTENTION
This is a Class 1 laser/LED product. Do not stare into the laser 
beam
. 
1. Ca
ution—Use of the controls or adjustments or the 
performance of procedures other than those specified herein
may result in hazardous radiation exposure."
2. 
Complies with 21 CFR 1040.10 and1040.11, except for 
co
nformance with IEC 60825-1 Ed. 3., as described in Laser 
Notice No. 56, dated May 8, 2019. 
Switch Settings 
There are three DIP switches on the front panel of the ICF-1171I 
Series; DIP switch 1 is reserved for future use. See the usage below. 
Use DIP switch 3 to set up CAN (CAN 2.0) or CAN FD (ISO CAN FD) 
mode. CAN in the table below is equal to CAN 2.0, and CAN FD is equal 
to ISO CAN  FD. 
CAN Mode 
Switch 3 
CAN FD 
ON 
CAN 
OFF (default) 
Use DIP switch 2 to enable terminator. 
120 Ω Terminator 
Switch 2 










