Cisco Catalyst PON Series Manuale

Cisco Catalyst PON Series Switches Hardware Installation Guide

First Published: 2020-11-08

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CONTENTS

Introduction to the Passive Optical Network 1

CHAPTER 1

Cisco Catalyst PON Series OLT Overview 2

Cisco Catalyst PON Series OLT Models 2

Front Panel 3

Rear Panel 4

Ports 4

Power Supply 5

LEDs 6

Cisco Catalyst PON Series ONT Overview 7

Cisco Catalyst PON Series ONT Models 8

Front Panel 8

Rear Panel 9

Ports 9

LEDs 10

Lock Slot 10

Cisco Catalyst PON Manager Overview 11

Installation 13

CHAPTER 2

Safety Warnings 13

Box Contents 16

Installation Guidelines 17

Installing an OLT 18

Mounting the OLT on a Table or Shelf 18

Attaching the Rack-Mounting Bracket and Mounting a OLT on a Rack 18

Installing SFP or SFP+ Modules 19

Cisco Catalyst PON Series Switches Hardware Installation Guide

Contents

Installing an SFP or SFP+ Module 20

Removing an SFP or SFP+ Module 20

Establishing the System Ground 21

Required Tools and Equipment 21

Connecting the System Ground 22

Connecting to the Power Source 23

Connecting to an AC Power Source 23

Connecting to a DC Power Source 24

Setting Up the OLT 25

Installing an ONT 26

Placing the ONT on a Table or Shelf 26

Installing the ONT on a Wall 26

Attaching the Rack-Mounting Bracket and Mounting an ONT on a Rack 27

Connecting to an AC Power Source 28

Setting Up an ONT 29

Installing the Cisco Catalyst PON Manager 29

Setting Up the Cisco Catalyst PON Manager 33

Starting the PON Manager Server 33

Creating a New User in the PON Manager Client 34

Removing and Replacing Field-Replaceable Units (FRUs) 39

CHAPTER 3

Removing and Replacing the Fan Module 39

Installation Guidelines 39

Removing the Fan Module 39

Installing a Fan Module 41

Removing and Replacing the Power Supply Module 41

Installation Guidelines 42

Removing and Installing Power Supply Blank Cover 43

Removing a Power Supply Blank Cover 43

Installing a Power Supply Blank Cover 43

Removing a Power Supply Module from an OLT 43

Inserting the Power Supply Module in an OLT 46

Troubleshooting 49

CHAPTER 4

Cisco Catalyst PON Series Switches Hardware Installation Guide

iii

Contents

Troubleshooting Common Issues 49

Bad or Damaged Cable 49

Ethernet and Fiber-Optic Cables 49

Link Status 50

10/100/1000 PoE+ Port Connections 50

Cisco Catalyst PON Series OLT Troubleshooting 50

SFP and SFP+ Module 50

Fan Module 51

Power Supply Module 51

Interface Indicator 51

Finding a Cisco Catalyst PON OLT Serial Number 51

Cisco Catalyst PON Series ONT Troubleshooting 52

Finding the Cisco Catalyst PON ONT Serial Number 52

Technical Specifications 53

APPENDIX A

Cisco Catalyst PON Series OLT Technical Specifications 53

Physical Specifications 53

Environmental Specifications 53

Power Requirements 54

Cisco Catalyst PON Series ONT Technical Specifications 54

Physical Specifications 54

Environmental Specifications 54

Power Requirements 55

Connector and Cable Specifications 57

APPENDIX B

Connector Specifications 57

10/100/1000 Ports (Including PoE) 57

SFP Module Connectors 57

Cables and Adapters 58

Transceiver Module Network Cables 58

Cable Pinouts 59

Console Port Adapter Pinouts 60

Cisco Catalyst PON Series Switches Hardware Installation Guide

Contents

CHAPTER 1

Introduction to the Passive Optical Network

A passive optical network (PON) or Gigabit Passive Optical Network (GPON) is a point-to-multipoint (P2MP)

network that uses a combination of active transmission equipments and passive cable components to provide

network connectivity to end user's devices. This network is suitable for building access networks such as

fiber-to-the-home (FTTH), or fiber-to-the-office (FTTO), or fiber-to-the-company (FTTC) for providing

internet access by running fiber optic cable directly from an internet service provider to a user's home or

business. The PON technology is based on the ITU-T G.984 standard.

PON transmits Ethernet, Asynchronous Transfer Mode (ATM), and Time Division Multiplexing (TDM)

traffic. It consists of mainly two active transmission equipments, Optical Line Terminal (OLT) and Optical

Network Terminal (ONT). One of the main characteristics of PON is the use of passive optical splitters in the

fiber distribution network, enabling a single feeding fiber from the service provider’s central office to serve

multiple homes and small businesses.

The network path between the terminals is known as Optical Device Network (ODN), which comprises passive

optical components, such as optical fibers and passive optical splitters. The ODN provides optical channels

that interconnect the OLT to the ONTs. The optical fiber cables cover a distance of 20km to 30km.

A single optical fiber from the OLT connects to a passive optical splitter that is located near an end user's

premises. The optical splitter divides optical power into nseparate paths to end user. The number of optical

paths can vary from 2 to 128. From the optical splitter, a single-mode fiber strand is connected to each end

user's devices. Data is broadcast in the downstream direction and transmitted in the TDMA mode based on

timeslots in the upstream direction.

Cisco Catalyst PON Series Switches Hardware Installation Guide

Figure 1: Front Panel of a CGP-OLT-8T

The data, voice, and video signals of an end-user devices are sent to ONTs. The signals are converted into

Ethernet packets and then transmitted over optical fibers to the OLT using the PON uplink ports on the ONTs.

Ethernet packets are forwarded to the upper-layer IP network using the uplink port on the OLT.

For more information, see the following sections:

•Cisco Catalyst PON Series OLT Overview, on page 2

•Cisco Catalyst PON Series ONT Overview, on page 7

•Cisco Catalyst PON Manager Overview, on page 11

Cisco Catalyst PON Series OLT Overview

The Cisco Catalyst PON Series OLT is an aggregation device that is located at a service provider's central

office of the PON network. The main functions of a Cisco Catalyst PON Series OLT are traffic scheduling,

buffer control, and bandwidth allocation. The Cisco Catalyst PON Series OLT manages the network traffic

that is in the form of video, data, and voice signals in a PON network, and sends them downstream to the

Cisco Catalyst PON Series ONTs on the network. The Cisco Catalyst PON Series OLT also receives the

signals from the Cisco Catalyst PON Series ONTs located at an end user's premises and sends them to their

destination over the internet.

A Cisco Catalyst PON Series OLT can support up to 128 Cisco Catalyst PON Series ONTs per port. A Cisco

Catalyst PON Series OLT provides 8/16xPON ports, 4xG combo ports and 2x10G small form-factor pluggable

(SFP+) ports for uplink. A Cisco Catalyst PON Series OLT carries abundant services and flexible network

mode over one optical network, and is especially suitable for networks such as enterprise LAN, video

application, and high-speed internet.

Cisco Catalyst PON Series OLT Models

The following table lists the Cisco Catalyst PON Series OLT models and their description.

Cisco Catalyst PON Series Switches Hardware Installation Guide

Introduction to the Passive Optical Network

Cisco Catalyst PON Series OLT Overview

Table 1: Cisco Catalyst PON Series OLT Models and Description

DescriptionModel

Cisco Catalyst PON Series OLT with 8xPON port, 4x1 G combo port, and 2x10 G

SFP+ module uplink slot.

CGP-OLT-8T

Cisco Catalyst PON Series OLT with 16xPON port, 4x1 G combo port, and 2x10

G SFP+ module uplink slot.

CGP-OLT-16T

Front Panel

This section describes the front-panel components of Cisco Catalyst PON Series OLT.

Figure 2: Front Panel of CGP-OLT-8T

System LEDs7PON ports1

Auxiliary port81 G combo ports2

Reserve alarm port910 G SFP+ ports3

Port LEDs10Reserve alarm port4

Grounding connector11Console port5

Power modules12Fan module6

Figure 3: Front Panel of CGP-OLT-16T

10 G SFP+ port5System LEDs1

Auxiliary port6Console port2

Cisco Catalyst PON Series Switches Hardware Installation Guide

Introduction to the Passive Optical Network

Front Panel

Port LEDs7PON ports3

--1 G combo ports4

Rear Panel

This section describes the rear-panel components of CGP-OLT-16T:

Figure 4: Rear Panel of CGP-OLT-16T

Grounding connector2AC or DC power connector1

Ports

PON Ports

The PON ports use multi-source agreement (MSA) type UPC or SC-PC fiber connector. The PON ports

support a bandwidth of 2.466 Gbps downstream and 1.244 Gbps upstream.

Console Port

The console port connects the Cisco Catalyst PON Series OLT to a PC running Microsoft Windows or to a

terminal server and uses the RJ-45 crossover cable. The RJ-45 console port connection uses the supplied

RJ-45-to-DB-9 female cable.

Auxiliary Port

The auxiliary port connects the Cisco Catalyst PON Series OLT to a host such as a Windows workstation or

a terminal server through the auxiliary port. The auxiliary out-of-band management port is a virtual routing

and forwarding (VRF) interface and uses an RJ-45 crossover cable.

1 G Combo Ports

A combo port is a combination of an SFP interface and an RJ-45 port. When the SFP interface is active, the

adjacent RJ-45 port is disabled. The 1 G ports use LC connectors for fiber-optic connections and RJ-45

connectors for copper connections.

10 G SFP+ Ports

The 10 G ports use LC connector cables for fiber-optic connections and RJ-45 connector cables for copper

connections. The SFP slots support only SFP+ modules. These SFP+ modules are field replaceable, and

provide uplink interfaces when installed in an SFP+ module slot.

Cisco Catalyst PON Series Switches Hardware Installation Guide

Introduction to the Passive Optical Network

Rear Panel

For more information on compatible Cisco SFP+ modules, see the Cisco Catalyst PON Series Switches Release

Notes.

Reserve Alarm Port

The reserve alarm port connects to external monitoring systems such as the Environment Monitor System.

This functionality is currently disabled.

Note

Power Supply

The Cisco Catalyst PON Series OLT chassis has redundant power supply slots that operate with one or two

power supply modules. The chassis supports field-replaceable AC-input and DC-input power supply modules.

Hybrid power supply plugs are not supported.

Note

AC Power Supply

The following table lists the power supply ratings.

Output Power (Watts)Input Voltage (VAC)

100220

100110

Cisco Catalyst PON Series Switches Hardware Installation Guide

Introduction to the Passive Optical Network

Power Supply

DC Power Supply

The following table lists the power supply ratings.

Output Power (Watts)Input Voltage (VAC)

100-36 to -72VDC (with extended range upto -75VDC)

Voltage differential between inputs is unlimited.

LEDs

You can use LEDs to monitor the activity and performance of Cisco Catalyst PON Series OLT.

Table 2: System LEDs

IndicationColorLED

Normal power from power supplyGreen (solid)PWR1 and PWR2

No power from power supplyOFF

OLT is running normally

Green (blinking)RUN

OLT is not running

OLT is running abnormally

OFF

Green (solid)

Auxiliary port is not connected

OFFAUX

Auxiliary port is connected, but not

transmitting data

Green (solid)

Auxiliary port is connected and is

transmitting data

Green (blinking)

Power supply is normal

Green (solid)OUT

No power supplyOFF

Cisco Catalyst PON Series Switches Hardware Installation Guide

Introduction to the Passive Optical Network

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