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READ AND SAVE THESE INSTRUCTIONS 
Follow the instructions in this installation manual.  These instructions must be followed to avoid damage to this 
product and associated equipment.  Product operation and reliability depends upon proper installation. 
DO NOT INSTALL ANY SIMPLEX® PRODUCT THAT APPEARS DAMAGED  
Upon unpacking your Simplex product, inspect the contents of the carton for shipping damage.  If 
damage is apparent, immediately file a claim with the carrier and notify your Simplex product 
supplier.   
 
SAFETY HAZARD 
The 4100ESi CPU Card includes a lithium battery. There is a very low danger of explosion if the 
battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the 
manufacturer. Dispose of used batteries according to the manufacturer’s instructions. 
 
ELECTRICAL HAZARD 
Disconnect electrical field power when making any internal adjustments or repairs.  All repairs 
should be performed by a representative or authorized agent of your local Simplex product 
supplier. 
 
STATIC HAZARD 
Static electricity can damage components.  Therefore, handle as follows: 
⋅  Earth yourself with a suitable static strap or similar before opening or installing components. 
⋅  Prior to installation, keep components wrapped in anti-static material at all times. 
 
EYE SAFETY HAZARD 
Under certain fibre optic application conditions, the optical output of this device may exceed eye 
safety limits.  Do not use magnification (such as a microscope or other focusing equipment) when 
viewing the output of this device. 
 
RADIO FREQUENCY ENERGY 
This equipment generates, uses, and can radiate radio frequency energy and if not installed and 
used in accordance with the instruction manual, may cause interference to radio communications.  
It has been tested and found to comply with the limits defined in AS/NZS CISPR22:2010.  In a 
domestic environment this product may cause radio interference, in which case the user may be 
required to take adequate measures.