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
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
iii

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
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
iv
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
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
v
Contents

Cleaning Bulkheads 45
Verifying Equipment Operation 46
CHAPTER 6 Troubleshooting 47
OIB 47
Troubleshooting the node 48
APPENDIX A Glossary 51
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
vi
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.
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
vii

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).
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
viii
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.
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
ix
Preface
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.
Cisco GS7000 Super High Output Intelligent Node Installation and Operation Guide
x
Preface
Strand (Aerial) Installation