Cisco Compact EGC 93250, Compact EGC 93251, 93250, 93251 Installation And Setup Instructions

Compact EGC Amplifier 93250 and 93251
Installation and Setup Instructions

Application

The Compact Amplifier type 93250/93251 has one active output and is used in trunk
and distribution applications. The amplifier can be monitored via the compact
transponder and the ROSA™ Element Management System. All equalizers and pads
are electronic and can be set with the handheld terminal type 91200. The plug-in
filters in the reverse path allow flexible choice of frequency range for both forward
and reverse path.

Figure 1: Amplifier overview

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Important Safety Instructions

WARNING:

To reduce risk of electric shock, perform only the instructions that are
included in the operating instructions. Refer all servicing to qualified service
personnel only.

Read and Retain Instructions

Carefully read all safety and operating instructions before operating this equipment,

Follow Instructions and Heed Warnings

Terminology

and retain them for future reference.

Follow all operating and use instructions. Pay attention to all warnings and cautions
in the operating instructions, as well as those that are affixed to this equipment.

The terms defined below are used in this document. The definitions given are based
on those found in safety standards.

Service Personnel - The term service personnel applies to trained and qualified
individuals who are allowed to install, replace, or service electrical equipment. The
service personnel are expected to use their experience and technical skills to avoid
possible injury to themselves and others due to hazards that exist in service and
restricted access areas.

User and Operator - The terms user and operator apply to persons other than service
personnel.

Ground(ing) and Earth(ing) - The terms ground(ing) and earth(ing) are synonymous.
This document uses ground(ing) for clarity, but it can be interpreted as having the
same meaning as earth(ing).

Electric Shock Hazard

This equipment meets applicable safety standards.

Electric shock can cause personal injury or even death. Avoid direct contact with
dangerous voltages at all times.

Know the following safety warnings and guidelines:

 Only qualified service personnel are allowed to perform equipment installation or

replacement.

 Only qualified service personnel are allowed to remove chassis covers and access

any of the components inside the chassis.

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Important Safety Instructions, Continued

WARNING:

Avoid personal injury and damage to this equipment. An unstable mounting
surface may cause this equipment to fall.

WARNING:

Avoid the possibility of personal injury. Ensure proper handling/lifting
techniques are employed when working in confined spaces with heavy
equipment.

Equipment Placement

To protect against equipment damage or injury to personnel, comply with the
following:

 Install this equipment in a restricted access location (access restricted to service

personnel).

 Make sure the mounting surface or rack is stable and can support the size and

Pedestal, Service Closet, Equipment Room or Underground Vault Installation

weight of this equipment.

 Ensure this equipment is securely fastened to the mounting surface or rack where

necessary to protect against damage due to any disturbance and subsequent fall.

 Ensure the mounting surface or rack is appropriately anchored according to

manufacturer’s specifications.

 Ensure the installation site meets the ventilation requirements given in the

equipment’s data sheet to avoid the possibility of equipment overheating.

 Ensure the installation site and operating environment is compatible with the

equipment’s International Protection (IP) rating specified in the equipment’s data

sheet.

Connection to Network Power Sources

Refer to this equipment’s specific installation instructions in this manual or in
companion manuals in this series for connection to network ferro-resonant AC
power sources.

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Important Safety Instructions, Continued

CAUTION:

RF connectors and housing seizure assemblies can be damaged if shunts are
not removed from the equipment before installing or removing modules from
the housing.

WARNING:

Avoid electric shock! Opening or removing this equipment’s cover may
expose you to dangerous voltages.

CAUTION:

These servicing precautions are for the guidance of qualified service
personnel only. To reduce the risk of electric shock, do not perform any
servicing other than that contained in the operating instructions unless you
are qualified to do so. Refer all servicing to qualified service personnel.

AC Power Shunts

AC power shunts may be provided with this equipment.

Important: The power shunts (where provided) must be removed before installing
modules into a powered housing. With the shunts removed, power surge to the
components and RF-connectors is reduced.

Equipotential Bonding

If this equipment is equipped with an external chassis terminal marked with the IEC

60417-5020 chassis icon ( ), the installer should refer to CENELEC standard EN
50083-1 or IEC standard IEC 60728-11 for correct equipotential bonding connection

General Servicing Precautions

instructions.

Be aware of the following general precautions and guidelines:

 Servicing - Servicing is required when this equipment has been damaged in any

way, such as power supply cord or plug is damaged, liquid has been spilled or
objects have fallen into this equipment, this equipment has been exposed to rain or
moisture, does not operate normally, or has been dropped.

 Wristwatch and Jewelry - For personal safety and to avoid damage of this

equipment during service and repair, do not wear electrically conducting objects
such as a wristwatch or jewelry.

 Lightning - Do not work on this equipment, or connect or disconnect cables,

during periods of lightning.

 Labels - Do not remove any warning labels. Replace damaged or illegible warning

labels with new ones.

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