Product Guide

Safety Information

Cascade 2019 Product Guide

CASC-2019-01

SUBRACK AND FRONT PANEL SAFETY

• A tool is required to access the area (removing the front panel)

• A qualied service person is required to access the front panel area, even without equipment

energized

• An unqualied user should not remove the front panel as no access is required to this area for

any routine operation of the system

• The Cascade subrack and modules should be well ventilated and free from moisture and excess

dust and dirt

Front Panel Installed – User Access

Hazard Description

Heat Hazard • Recirculated air may be hot in some scenarios

• Handles may remain hot after exposure to high ambient air

temperature within specications

Mechanical Improperly secured front panel may fall on the operator

Noise • Acoustic noise level may be hazardous, especially in multi-rack

congurations

• Wear protective hearing equipment when necessary

Front Panel Assembly Removed – Qualied Personnel

Hazard Description

Energy Hazard • All power supply +48V outputs and connected front interface board

(FIB) circuits can source hazardous energy levels

• PSU–PA power harness may remain energized at hazardous energy

levels after disconnection from PSU side (PA input capacitor charge)

Heat Hazard • Module enclosures may become hot under normal operation

Mechanical • Rough edges are present on the subrack; lacerations are possible

while adding or removing modules and connectors.

• Operator may crush nger between rackframe and module handle

when inserting leftmost or rightmost TRx module