OTA101103 OptiX Metro 200 Hardware Description ISSUE1.10

7/31/2019 OTA101103 OptiX Metro 200 Hardware Description ISSUE1.10

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HUAWEI TECHNOLOGIES CO., LTD. All rights reserved

www.huawei.com

Internal

OptiX Metro 200 Hardware

Description


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HUAWEI TECHNOLOGIES CO., LTD. All rights reserved Page 1

References

OptiX Metro 200 User Manual


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Upon completion this course, you will be able to:

Know the network application of OptiX Metro 200.

Understand the hardware structure and features

of OptiX Metro 200.

Understand the functions of normally used units.


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Chapter 1 Network Application

Chapter 2 Hardware Structure

Chapter 3 Units Introduction

Chapter 4 Main Features of OptiX Metro 200


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Network Application

Network Application

STM-1 Ring

STM-4 Ring

STM-1 Ring

BSC BSC

BSC

MSC

E1

E1

E1

E1

E1

E1

BTS

BTS BTS BTSBTS

BTS BTS

BTS

E1

E1 E1

E1

OptiX T2000

Metro200

Metro200

155622H(Metro1000)EccEcc


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Network Application

The following network topologies are supported by Metro 200

Networking

Link Topology

Ring Topology


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Chapter 3 Unit Introduction

Chapter 4 Main Feature of OptiX Metro 200


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Hardware Structure

System Structure

Line

unit

Order

wire

unit

Timing

unit

Main

contr

ol unit

Tributary

unit

VC-4 VC-4

VC-4 VC-4

155Mbit/s 2.048Mbit/s

NMsystem

Asynchronous

transparentdata

2.048Mbit/s155Mbit/s

VC-4 cross-

connect matrix


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Hardware Structure

1. Grounding

Terminal

2. Indicators 3. Optical Interface 4. Reset Switch 5. Clock Input/Output

Interface

6. Boolean Value

Interface

7. ESD Wrist Strap

Jack

8. -48V Power Unit 9. Power Switch 10. Indicators for the

Optical Interfaces

11. NM Interface 12. Transparent Data

Interface (F2)

13. E1 Electrical

Interface

Interfaces

OptiX Metro 200


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Units Introduction

Receive and transmit 8E1(75/120) signals.

Provide automatic protection switching.

Provide inloop and outloop.

Process the VC-12 path overhead (POH) and monitor the path

of each service.

Tributary unit


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Units Introduction

Provide one or two S-1.1 STM-1 optical interfaces.

Detect and report various alarm signals and

performance events on the line. Process high order overhead

Form networks such as chain and ring when working

with cross-connect unit.

Provide inloop and outloop for prompt fault location..

Provide Automatic Laser Shutdown (ALS) function.

Line unit


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Units Introduction

Perform cross connection to the line and line signals, line

and tributary signals, and tributary and tributary signals.

Add/drop the tributary E1 signal and groom VC-4 signalsfreely.

Support network topologies such as point-to-point, chain and

ring.

Support configuring Network Element (NE) into Terminal

Multiplexer (TM) or Add/Drop Multiplexer (ADM).

Cross-connect unit


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Units Introduction

Extract/insert, switch and broadcast the overhead bytes, support

point-to-point, point-to-multipoint equipment interconnection.

Transform, process and save the performance data and hardware

alarm events received by the line unit, tributary unit, timing unit,orderwire unit, etc..

Facilitate the SDH NM system in managing NE boards.

Pass the control and management information to upstream or

downstream NEs.

Provide DCC for communication with remote NEs.

Monitor, maintain and manage the equipment in real time.

Access asynchronous serial data.

Main control & Orderwire unit


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Units Introduction

Provide synchronization clock for the system line unit and

tributary unit.

Lock the line and tributary timing source for system

synchronization.

Provide the system with five timing sources.

In maser/slave synchronization mode, the clock of NE node

generally has the following three working modes:

Locked mode

Holdover mode

Free-run mode

Timing unit


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Main Features of OptiX Metro 200

OptiX Metro 200 provides service access capabilities listed as

follow:

Access Capability

Service Type Maximum Access Capability

STM-1 2

E1 service 8

64kbit/s service 1


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OptiX Metro 200 support two different management mode:

OptiX iManager T2000

OptiX iManager T2000 performs operation, administration andmaintenance (OAM) over the OptiX Metro 200, realizing service

configuration and allocation, and ensuring reliable running of the

network.

Web-LCT

In the terminal computer with an Explorer of Release 5.0 or above,

input the IP address, you can configure services or query alarms of

the OptiX Metro 200, as well as other NMS operations.

Management Mode


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Network Protection

Path Protection

Two-fiber unidirectional path protection ring

Two-fiber bidirectional path protection ring


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-48V DC:

It provides two DC power supply ports, backing up each other.

Monitor the input voltage and generate alarms for over-voltage or

under-voltage.

220V AC:

Two internal power modules back up each other.

Provide alarms upon power module failure.

Power Supply Protection


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Services will be automatically configured once the NE is powered on;

Single optical interface:

configure the 1 ~ 8 tributary E1 services to the 1 ~ 8 STM-1

timeslots, bidirectional;

Dual optical interfaces:

configure the 1 ~ 8 tributary E1 services to the 1 ~ 8 STM-1

timeslots, unidirectional PP protected.

Service auto-configuration


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On the wall;

In the 19-inch cabinet;

In the 300mm-deep ETS cabinet;

In the 600mm-deep ETS cabinet.

Installation


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Summary

Network Application

Hardware Structure

Units Introduction



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OTA101103 OptiX Metro 200 Hardware Description ISSUE1.10

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