International Symbols (IEC335-1)
Figure 7
Four Wire Connection
Figure 8
Five Wire Connection
Associated Documents
The following documents provide more details on the topics presented in this manual:
•
Standard for the Protection of Electronic Computer Data Processing Equipment, (NFPA75) National Fire
Protection Association
•
EIA Standard RS-232-C, Electronic Industries Association
•
Electrostatic Discharge Failures of Semiconductor Devices, Unger, B.A. 1981, Bell Laboratories
•
IEC 60950, EN 60950, UL 60950, CSA 22.2 No. 950 Standards for Safety of Information Technology
Equipment
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