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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
About This Book
xviiiSafety Precautions
Safety Precautions
When performing maintenance or translation procedures on the system, users
must observe certain precautions. Observe all caution, warning, and danger
admonishments to prevent loss of service, possible equipment damage, and
possible personal injury. In addition, the following precautions regarding
electromagnetic interference (EMI) and static electricity must be observed:
Electromagnetic Interference
This equipment generates, uses, and can radiate radio frequency energy.
Electromagnetic fields radiating from the switch may cause noise in the
customer’s equipment. If the equipment is not installed and used in accordance
with the instruction book, radio interference may result.
!
WARNING:
To maintain the EMI integrity of the system, maintenance personnel must
ensure that all cabinet panels, covers, and so forth, are firmly secured
before leaving the customer’s premises.
Static Electricity
To prevent or reduce electrostatic discharge (ESD), maintenance personnel must
always attach wrist grounding straps before working on switch components or
handling circuit packs.
!
CAUTION:
Electrostatic discharge can damage or destroy circuit packs containing
integrated circuits (ICs).
The ESD wrist strap, cable assembly, and spare fuses are packed in a plastic
bag and placed in the top of the system cabinet. Use the ESD wrist strap when
troubleshooting, performing maintenance, or handling any circuit packs
associated with the system.
Security Issues
A number of matters concerning maintenance are affected by security issues.
For details, be sure to consult the
BCS Products Security Handbook
,
555-025-600.
!
CAUTION:
Login security is an attribute of the DEFINITY
®
Enterprise Communications
Server (ECS) Release 8.2 software.