2-5
2.5 Electrical Connections 
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- To comply with CE and FCC Standards, Cable Suppression Cores 
(Ferrites) must be installed on all I/O and communication cables 
connected to Port 2 and Port 3 of the CPU. Refer to  CHAPTER 6 for 
assembly instructions. 
 
- To comply with CE standards a DC line filter should be used when 
the IRRInet-XL with a portable radio and a power supply (Less) 
module (FPN5957) is powered from a DC power source (such as 
solar panel). This DC Line Filter is supplied with the option number 
V274. Refer to  CHAPTER 7 for assembly instructions. 
2.5.1 Ground Connection 
Connect the Line ground cable directly to the protective grounding strip, located under 
the AC power supply (See Figure 
 2-6). 
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Verify that all power and ground connections are made in 
accordance with local standards. 
 
Grounding Strip 
 
Figure  2-6 IRRInet-XL Grounding Strips