RM4200 Series User Guide
Getting Started
2
ESD Precautions
W
ARNING
:
To prevent electrostatic discharge (ESD) damage when handling electronic equipment, always wear
an anti-static wrist strap attached to an unpainted, grounded metal object. Ensure the wrist strap has maximum
contact with bare skin.
If an anti-static wrist strap is unavailable, discharge static electricity from yourself and your clothing by touching
a grounded metal object before handling electronic equipment.
Table 1-1. Safety and Equipment Symbols
Symbol
Description
Caution
— Failure to observe this warning may result in personal injury, death, or equipment
damage. A potential risk exists if the installation instructions are not followed.
Warning
— Risk of electrical shock. Failure to observe this warning may result in personal
injury, death, or equipment damage. A potential risk exists if the installation instructions are not
followed.
Earth (ground) terminal
— Indicates a protective earth ground connection is required.
On (Supply)
— Indicates power is on when the toggle switch is in the “ON” position.
Off (Supply)
— Indicates power is off when the toggle switch is in the “OFF” position.
DC power
— Indicates that the input requires DC power.
AC/DC
— Both direct and alternating current.
Positive
— Indicates a positive input.
Negative
— Indicates a negative input.