Xycom 3510T System Manual page 47

3. Never subject the unit to any installation or service procedures unless power is
known to be removed and the area is known to be non-hazardous. This includes
the installation or removal of power cables, communication cables, or removal of
the rear cover of the unit.
4. Only technically qualified service personnel should perform all installation and
service. These workstations are designed to require no service in the course of
normal operation by an operator.
Chapter 3-Installation
3-35