3Com CM 4000 Switch User Manual


 
xxixCM 4000 Installation and Operating Manual
Warnings
The following warning statements identify conditions or practices that can result in
personal injury or loss of life.
Dangerous voltage or current present — Disconnect power before removing
protective panels, soldering, or replacing components.
Do not service alone — Do not internally service this product unless another per-
son capable of rendering first aid and resuscitation is present.
Remove jewelry — Prior to servicing, remove jewelry such as rings, watches, and
other metallic objects.
Avoid exposed circuitry — Do not touch exposed connections, components or
circuitry when power is present.
Use proper power cord — Use only the power cord supplied or specified for this
product.
Ground product — Connect the grounding conductor of the power cord to earth
ground.
Operate only with covers and enclosure panels in place — Do not operate
this product when covers or enclosure panels are removed.
Use correct fuse — Use only fuse type and rating specified for this product.
Use only in dry environment — Do not operate in wet or damp conditions.
Use only in non−explosive environment — Do not operate this product in an
explosive atmosphere.
High leakage current may be present — Earth connection of product is essen-
tial before connecting power.
Double pole neutral fusing — Disconnect mains power prior to servicing.
Use proper lift points — Do not use door latches to lift or move equipment.
Avoid mechanical hazards — Allow all rotating devices to come to a stop be-
fore servicing.