Cisco GS7000 Operating instructions

Cisco GS7000 Super High Output Intelligent Node Installation and
Operation Guide
First Published: 2018-03-23
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: [phone]
800 553-NETS (6387)
Fax: [phone]

©2018 Cisco Systems, Inc. All rights reserved.

CONTENTS
Preface Preface vii
For Your Safety vii
Explanation of Warning and Caution Icons vii
Important viii
Important Safety Instructions viii
Read and Retain Instructions viii
Follow Instructions and Heed Warnings viii
Terminology viii
Electric Shock Hazard ix
Equipment Placement ix
Product Ratings ix
Strand (Aerial) Installation x
Pedestal, Service Closet, Equipment Room or Underground Vault Installation x
Connection to Network Power Sources x
AC Power Shunts xi
Equipotential Bonding xii
General Servicing Precautions xiii
Electrostatic Discharge xiv
Batteries xiv
Safety xiv
Disposal xiv
Modifications xv
Accessories xv
Electromagnetic Compatibility Regulatory Requirements xv
EMC Compliance Statements xv
Laser Safety xvi
Warning: Radiation xvi
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Warning: Fiber Optic Cables xvii
Safe Operation for Software Controlling Optical Transmission Equipment xvii
Laser Warning Labels xvii
Location of Labels on Equipment xix
CHAPTER 1 General Information 1
Physical Description 1
Functional Description 3
Node Inputs/Outputs Diagram 4
Module Functional Description 4
Amplifier Output Linear Tilt Chart 5
Ordering Information 6
CHAPTER 2 Theory of Operation 7
System Diagrams 8
Forward Path 8
Forward Path Signal Routing 8
Reverse Path 9
Reverse Path Signal Routing 9
Spectrum Capture 10
Power Distribution 10
RF Amplifier Module 10
AGC 11
Auto-setup 11
Optical Interface Board 11
Intelligent Remote PHY Device 12
Power Supply Module 12
Node Power Limitations 13
CHAPTER 3 Installation 15
Tools and Test Equipment 15
Node Fastener Torque Specifications 16
Node Housing Ports 16
Strand Mounting the Node 17
Pedestal or Wall Mounting the Node 20
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Contents

Fiber Optic Cable Installation 21
Color Code 22
Fiber Management System 22
Install Fiber Optic Cable 23
RF Cable Installation 27
Trimming the Center Conductor 27
Trimming Using the Integrated Cradle 27
Trimming Using the Strip Line Mark 28
Connecting the RF Cables to the Node Housing 29
Applying Power to the Node 29
Node Powering Procedure 30
Voltage Check Procedure 31
CHAPTER 4 Setup and Operation 33
CHAPTER 5 Maintenance 35
Opening and Closing the Housing 35
Opening the Housing 35
Closing the Housing 35
Preventative Maintenance 36
Schedule 36
Visual Inspection 37
Cleaning 38
Consumable Materials 38
Procedure 38
Removing and Replacing Modules 39
Module Replacement Procedure 39
Diplexers and Trim modules 40
RF Amplifier Assembly Replacement Procedure 40
Care and Cleaning of Optical Connectors 42
Recommended Equipment 43
Tips for Optimal Fiber-Optic Connector Performance 43
To Clean Optical Connectors 43
Connectors and Bulkheads 44
Cleaning Connectors 44
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Cleaning Bulkheads 45
Verifying Equipment Operation 46
CHAPTER 6 Troubleshooting 47
OIB 47
Troubleshooting the node 48
APPENDIX A Glossary 51
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Contents

Preface
•For Your Safety, page vii
•Important Safety Instructions, page viii
•Laser Safety, page xvi
•Laser Warning Labels, page xvii
For Your Safety
Explanation of Warning and Caution Icons
Avoid personal injury and product damage! Do not proceed beyond any symbol until you fully understand
the indicated conditions.
The following warning and caution icons alert you to important information about the safe operation of this
product:
You may find this symbol in the document that accompanies this product. This
symbol indicates important operating or maintenance instructions.
You may find this symbol affixed to the product. This symbol means electric
shock hazard. This symbol indicates a live terminal where a dangerous voltage
may be present; the tip of the flash points to the terminal device.
You may find this symbol affixed to the product. This symbol indicates a
protective ground terminal.
You may find this symbol affixed to the product. This symbol indicates a chassis
terminal (normally used for equipotential bonding).
You may find this symbol affixed to the product. This symbol warns of a
potentially hot surface.
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You may find this symbol affixed to the product and in this document. This
symbol indicates an infrared laser that transmits intensity-modulated light and
emits invisible laser radiation or an LED that transmits intensity-modulated light.
This symbol means WARNING/CAUTION –read instruction.
This symbol means a.c. (alternating current).
Important
Please read this entire guide. If this guide provides installation or operation instructions, give particular
attention to all safety statements included in this guide.
Important Safety Instructions
Read and Retain Instructions
Carefully read all safety and operating instructions before operating this equipment, and retain them for future
reference.
Follow Instructions and Heed Warnings
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.
Terminology
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).
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Preface
Important

Electric Shock Hazard
This equipment meets applicable safety standards.
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.
Warning
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.
Equipment Placement
Avoid personal injury and damage to this equipment. An unstable mounting surface may cause this
equipment to fall.
Warning
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 weight of this equipment.
Product Ratings
•Electrical Ratings: quasi-square or sinusoidal wave 45 –90 V, 50 –60 Hz, max. pass-through current
15 A, max. surge current 25 A, internal power supply max. 185 W.
•Ambient temperature range outside the node must be maintained between -40°C and +60°C (-40°F to
140°F).
•Storage temperature range of the EDR must be maintained between -40°C to +85°C (-40°F to 185°F).
•Humidity range must be maintained between 5% to 95% non-condensing before installation of the EDR
Digital Return module(s).
•Max. altitude: <2000 m.
•Protection Grade: IP68.
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Electric Shock Hazard

•Laser Class: Class 1M.
Strand (Aerial) Installation
Be aware of the size and weight of strand-mounted equipment during the installation operation.
Ensure that the strand can safely support the equipment’s weight.
Caution
Pedestal, Service Closet, Equipment Room or Underground Vault Installation
Avoid the possibility of personal injury. Ensure proper handling/lifting techniques are employed when
working in confined spaces with heavy equipment.
Warning
•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.
Unit is intended to be installed, operated and maintained by trained personnel, in accordance with the local
and national regulations.
The unit is intended to be powered from the secondary circuit of an APPROVED/CERTIFIED power
source with adequate isolation (reinforced or double called out in the applicable standard) between mains and
secondary circuit.
Use suitably rated CERTIFIED/APPROVED CATV Cable suitable for outdoor use rated VW-1 or FT-1
or better.
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Preface
Strand (Aerial) Installation

Maximum current through the node is 15 Amps. A suitable current limiter is to be provided during end
installation or service provider Ferro resonant power source shall have suitable current limiter.
Shock Hazard - Housing/Enclosure of the unit must be reliably bonded to protective earth/ground conductor
prior to connecting the unit to a power source.
Do not touch internal conductor of F/COAX connector or coax cable while the node is energized and
disconnect power before removing cover because 90 V a.c. can be accessible.
Equipment connected to the protective earthing of the building installation through the mains connection
or through other equipment with a connection to protective earthing –and to a cable distribution system using
coaxial cable, may in some circumstances create a fire hazard. Connection to a cable distribution system has
therefore to be provided through a device providing electrical isolation below a certain frequency range
(galvanic isolator, see EN 60728-11).
In Norway, due to regulation for installations of cable distribution systems, and in Sweden, a galvanic
isolator shall provide electrical insulation below 5 MHz. The insulation shall withstand a dielectric strength
of 1,5 kV r.m.s., 50 Hz or 60 Hz, for 1 min.
Note
Translation to Norwegian (the Swedish text will also be accepted in Norway):
Utstyr som er koplet til beskyttelsesjord via nettplugg og/eller via annet jordtilkoplet utstyr –og er tilkoplet
et kabel-TV nett, kan forårsake brannfare. For å unngå dette skal det ved tilkopling av utstyret til kabel-TV
nettet installeres en galvanisk isolator mellom utstyret og kabel- TV nettet.
Translation to Swedish:
Utrustning som är kopplad till skyddsjord via jordat vägguttag och/eller via annan utrustning och samtidigt
är kopplad till kabel-TV nät kan i vissa fall medfőra risk főr brand. Főr att undvika detta skall vid anslutning
av utrustningen till kabel-TV nät galvanisk isolator finnas mellan utrustningen och kabel-TV nätet.
AC Power Shunts
AC power shunts may be provided with this equipment.
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.
Important
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Preface
AC Power Shunts

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.
Caution
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 instructions.
Shock Hazard - Housing/Enclosure of the unit must be reliably bonded to protective earth/ground conductor
prior to connecting the unit to a power source.
Do not touch internal conductor of F/COAX connector or coax cable while the node is energized and
disconnect power before removing cover because 90 V a.c. can be accessible.
Equipment connected to the protective earthing of the building installation through the mains connection
or through other equipment with a connection to protective earthing –and to a cable distribution system using
coaxial cable, may in some circumstances create a fire hazard. Connection to a cable distribution system has
therefore to be provided through a device providing electrical isolation below a certain frequency range
(galvanic isolator, see EN 60728-11).
In Norway, due to regulation for installations of cable distribution systems, and in Sweden, a galvanic
isolator shall provide electrical insulation below 5 MHz. The insulation shall withstand a dielectric strength
of 1,5 kV r.m.s., 50 Hz or 60 Hz, for 1 min.
Note
Translation to Norwegian (the Swedish text will also be accepted in Norway):
Utstyr som er koplet til beskyttelsesjord via nettplugg og/eller via annet jordtilkoplet utstyr –og er tilkoplet
et kabel-TV nett, kan forårsake brannfare. For å unngå dette skal det ved tilkopling av utstyret til kabel-TV
nettet installeres en galvanisk isolator mellom utstyret og kabel- TV nettet.
Translation to Swedish:
Utrustning som är kopplad till skyddsjord via jordat vägguttag och/eller via annan utrustning och samtidigt
är kopplad till kabel-TV nät kan i vissa fall medfőra risk főr brand. Főr att undvika detta skall vid anslutning
av utrustningen till kabel-TV nät galvanisk isolator finnas mellan utrustningen och kabel-TV nätet.
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Equipotential Bonding

General Servicing Precautions
Avoid electric shock! Opening or removing this equipment’s cover may expose you to dangerous voltages.
Warning
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.
Caution
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.
•Covers - Do not open the cover of this equipment and attempt service unless instructed to do so in the
instructions. Refer all servicing to qualified service personnel only.
•Moisture - Do not allow moisture to enter this equipment.
•Cleaning - Use a damp cloth for cleaning.
•Safety Checks - After service, assemble this equipment and perform safety checks to ensure it is safe
to use before putting it back into operation.
•Shock Hazard - Housing/Enclosure of the unit must be reliably bonded to protective earth/ground
conductor prior to connecting the unit to a power source.
•Do not touch internal conductor of F/COAX connector or coax cable while the node is energized
and disconnect power before removing cover because 90 V a.c. can be accessible.
•Equipment connected to the protective earthing of the building installation through the mains
connection or through other equipment with a connection to protective earthing –and to a cable
distribution system using coaxial cable, may in some circumstances create a fire hazard. Connection to
a cable distribution system has therefore to be provided through a device providing electrical isolation
below a certain frequency range (galvanic isolator, see EN 60728-11).
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General Servicing Precautions

In Norway, due to regulation for installations of cable distribution systems, and in Sweden, a galvanic
isolator shall provide electrical insulation below 5 MHz. The insulation shall withstand a dielectric strength
of 1,5 kV r.m.s., 50 Hz or 60 Hz, for 1 min.
Note
Translation to Norwegian (the Swedish text will also be accepted in Norway):
Utstyr som er koplet til beskyttelsesjord via nettplugg og/eller via annet jordtilkoplet utstyr –og er tilkoplet
et kabel-TV nett, kan forårsake brannfare. For å unngå dette skal det ved tilkopling av utstyret til kabel-TV
nettet installeres en galvanisk isolator mellom utstyret og kabel- TV nettet.
Translation to Swedish:
Utrustning som är kopplad till skyddsjord via jordat vägguttag och/eller via annan utrustning och samtidigt
är kopplad till kabel-TV nät kan i vissa fall medfőra risk főr brand. Főr att undvika detta skall vid anslutning
av utrustningen till kabel-TV nät galvanisk isolator finnas mellan utrustningen och kabel-TV nätet.
Electrostatic Discharge
Electrostatic discharge (ESD) results from the static electricity buildup on the human body and other objects.
This static discharge can degrade components and cause failures.
Take the following precautions against electrostatic discharge:
•Use an anti-static bench mat and a wrist strap or ankle strap designed to safely ground ESD potentials
through a resistive element.
•Keep components in their anti-static packaging until installed.
•Avoid touching electronic components when installing a module.
Batteries
This product may contain batteries. Special instructions apply regarding the safe use and disposal of batteries:
Safety
•Insert batteries correctly. There may be a risk of explosion if the batteries are incorrectly inserted.
•Do not attempt to recharge ‘disposable’or ‘non-reusable’batteries.
•Please follow instructions provided for charging ‘rechargeable’batteries.
•Replace batteries with the same or equivalent type recommended by manufacturer.
•Do not expose batteries to temperatures above 100°C (212°F).
Disposal
•The batteries may contain substances that could be harmful to the environment.
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Electrostatic Discharge

•Recycle or dispose of batteries in accordance with the battery manufacturer’s instructions and local/national
disposal and recycling regulations.
•The batteries may contain perchlorate, a known hazardous substance, so special handling and disposal
of this product might be necessary. For more information about perchlorate and best management
practices for perchlorate-containing substance, see http://www.dtsc.ca.gov/hazardouswaste/perchlorate.
Modifications
This equipment has been designed and tested to comply with applicable safety, laser safety, and EMC
regulations, codes, and standards to ensure safe operation in its intended environment. Refer to this equipment's
data sheet for details about regulatory compliance approvals.
Do not make modifications to this equipment. Any changes or modifications could void the user’s authority
to operate this equipment.
Modifications have the potential to degrade the level of protection built into this equipment, putting people
and property at risk of injury or damage. Those persons making any modifications expose themselves to the
penalties arising from proven non-compliance with regulatory requirements and to civil litigation for
compensation in respect of consequential damages or injury.
Accessories
Use only attachments or accessories specified by the manufacturer.
Electromagnetic Compatibility Regulatory Requirements
This equipment meets applicable electromagnetic compatibility (EMC) regulatory requirements. Refer to this
equipment's data sheet for details about regulatory compliance approvals. EMC performance is dependent
upon the use of correctly shielded cables of good quality for all external connections, except the power source,
when installing this equipment.
•Ensure compliance with cable/connector specifications and associated installation instructions where
given elsewhere in this manual.
EMC Compliance Statements
Where this equipment is subject to USA FCC and/or Industry Canada rules, the following statements apply:
•FCC Statement for Class A Equipment
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when this equipment is operated in a commercial environment.
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Modifications

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
users will be required to correct the interference at their own expense.
•Industry Canada - Industrie Canadiene Statement
This apparatus complies with Canadian ICES-003.
Cet appareil est confome à la norme NMB-003 du Canada.
•CENELEC/CISPR Statement with Respect to Class A Information Technology Equipment
This is a Class A equipment. In a domestic environment this equipment may cause radio interference in
which case the user may be required to take adequate measures.
Laser Safety
This equipment contains an infrared laser that transmits intensity-modulated light and emits invisible radiation.
Warning: Radiation
Warning
•Avoid personal injury! Use of controls, adjustments, or procedures other than those specified herein
may result in hazardous radiation exposure.
•Avoid personal injury! The laser light source on this equipment (if a transmitter) or the fiber cables
connected to this equipment emit invisible laser radiation. Avoid direct exposure to the laser light
source.
•Avoid personal injury! Viewing the laser output (if a transmitter) or fiber cable with optical
instruments (such as eye loupes, magnifiers, or microscopes) may pose an eye hazard.
•Do not apply power to this equipment if the fiber is unmated or unterminated.
•Do not stare into an unmated fiber or at any mirror-like surface that could reflect light emitted from an
unterminated fiber.
•Do not view an activated fiber with optical instruments (e.g., eye loupes, magnifiers, microscopes).
•Use safety-approved optical fiber cable to maintain compliance with applicable laser safety requirements.
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Laser Safety

Warning: Fiber Optic Cables
Avoid personal injury! Qualified service personnel may only perform the procedures in this manual. Wear
safety glasses and use extreme caution when handling fiber optic cables, particularly during splicing or
terminating operations. The thin glass fiber core at the center of the cable is fragile when exposed by the
removal of cladding and buffer material. It easily fragments into glass splinters. Using tweezers, place
splinters immediately in a sealed waste container and dispose of them safely in accordance with local
regulations.
Warning
Eye injury can occur - do not pull optical connector or look into the connector or the fiber cable while the
node is energized.
Warning
Safe Operation for Software Controlling Optical Transmission Equipment
If this manual discusses software, the software described is used to monitor and/or control ours and other
vendors’electrical and optical equipment designed to transmit video, voice, or data signals. Certain safety
precautions must be observed when operating equipment of this nature.
For equipment specific safety requirements, refer to the appropriate section of the equipment documentation.
For safe operation of this software, refer to the following warnings.
Warning
•Ensure that all optical connections are complete or terminated before using this equipment to remotely
control a laser device. An optical or laser device can pose a hazard to remotely located personnel
when operated without their knowledge.
•Allow only personnel trained in laser safety to operate this software. Otherwise, injuries to personnel
may occur.
•Restrict access of this software to authorized personnel only.
•Install this software in equipment that is located in a restricted access area.
Laser Warning Labels
One or more of the labels shown below are located on this product.
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Warning: Fiber Optic Cables

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Laser Warning Labels

Location of Labels on Equipment
The following illustrations display the location of warning labels on this equipment.
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Location of Labels on Equipment

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Location of Labels on Equipment