RM1250 User Guide
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:
This symbol 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.
