🏆 HCIE Level · Expert Certification

HCIE-Transmission Certification (H12-931)

Achieve expert-level mastery of OTN design, deployment, operations, and troubleshooting. This certification covers transmission network products, iMaster NCE-T, ASON, QoS, MS-OTN service configuration, optical network reconstruction, and comprehensive fault diagnosis on Huawei platforms.

OTN Technology ASON WDM / DWDM iMaster NCE-T MS-OTN Services Network Reconstruction HCIE Expert

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OTN Products & DeploymentHardware, boards, commissioning & data backup

MS-OTN Service ConfigurationOTN, SDH, EoO, EoS, MPLS-TP & OSU services

ASON & Network ReconstructionOptical/electrical ASON, capacity expansion, protection

Troubleshooting & O&MFault isolation, alarm analysis & bit error diagnosis

Questions

90 min

Duration

60%

Pass Score

HCIE

Expert Level

Market Trending

Transmission Network Experts Are Critical

5G rollout, cloud interconnect, and the migration from SDH to OTN are driving unprecedented demand for expert-certified transmission engineers who can design, operate, and troubleshoot high-capacity optical networks.

Hot

$XX B+

Global OTN Equipment Market Growth

The optical transport network equipment market continues rapid expansion, fuelled by 5G backhaul, hyperscale DC interconnect, and global broadband infrastructure programmes.

20,000+

Open Transmission Expert Roles

Carriers, cloud providers, and equipment vendors globally are actively seeking HCIE-Transmission-certified experts for network design, deployment, and O&M positions.

Hot

OTN/OSU

Next-Gen Transmission Standards

OSU (Optical Service Unit) and intelligent OTN are emerging as the dominant transport standards, requiring engineers skilled in their design, configuration, and troubleshooting.

+40%

Salary Premium for Expert Engineers

Transmission engineers with HCIE-level expertise command substantial salary premiums in telecom operators and equipment vendors, particularly for 5G backhaul and DCI projects.

Course Content

Complete H12-931 Curriculum

Click any module to expand and explore the topics covered in detail.

Transmission Network Products

3 Topics

Overview and Application Scenarios of Huawei Transmission Network Products

Cabinets and Subracks

Common Boards

Introduction to iMaster NCE-T

3 Topics

NCE-T System Overview

NCE-T Functions and Features

NCE-T Routine Operations and O&M Management

Deploying and Commissioning OTN Devices

5 Topics

Initiation Configuration

OSC Commissioning

Optical Power Commissioning

NE Commissioning

Data Backup

Transmission Network QoS

4 Topics

QoS Overview

QoS Key Technologies

QoS Application on a Transmission Network

HQoS

MS-OTN Service Configuration

6 Topics

OTN Service Configuration

SDH Service Configuration

EoO Service Configuration

EoS Service Configuration

MPLS-TP Service Configuration

OSU Service Configuration

NHP Technology

4 Topics

Introduction to NHP

OSU Application Scenarios

OSU Principles

OSU Features

ASON Principles and Applications

16 Topics

ASON Overview

ASON Composition and Protocols

ASON Functions and Features

ASON Application Scenarios

Enabling Optical-Layer ASON

Managing Optical-Layer Control Planes

Creating Optical-Layer Diamond ASON Services

Creating Optical-Layer Silver ASON Services

Creating Optical-Layer Copper ASON Services

Managing Optical-Layer ASON Services

Enabling Electrical-Layer ASON

Managing Electrical-Layer Control Planes

Creating Electrical-Layer Diamond ASON Services

Creating Electrical-Layer Silver ASON Services

Creating Electrical-Layer Copper ASON Services

Managing Electrical-Layer ASON Services

Optical Doctor System

16 Topics

Composition and Principles of the OD System

Networking Design and Configuration Rules of the OD System

OD System Configuration

Network O&M Using the OD System

Introduction to the FD System

FD System Networking Scenarios

Functions and Features of the FD System

Line Fiber Quality Detection Configuration

Network Design Elements

Network Design Process

DCN Planning

SDH-to-OTN Upgrade Solution Overview

SDH-to-OTN Upgrade Networking Schemes

SDH-to-OTN Upgrade Solution Hardware Support

SDH-to-OTN Upgrade Solution Implementation Process

SDH-to-OTN Upgrade Cases

OTN Network Reconstruction

31 Topics

Network Reconstruction Procedure

Adding a Direction

Adding an OLA Site

Reconstructing an OLA Site into an OADM Site

Reconstructing a Traditional OADM Node into a Colorless Node

Reconstructing a Traditional OADM Node into a Directionless Node

Adding a Single Wavelength for Capacity Expansion

Expanding the Wavelength Capacity

Optical-Layer Protection Reconstruction

Electrical-Layer Protection Reconstruction

Nested Protection

Coherent Transmission Technologies

Extended C-Band and Super C-Band Technologies

ULH Transmission Technologies

ULH Solutions

Deployment and Maintenance for the ULH Transmission System

OXC Enables Transmission Networks to Evolve to All-Optical Networks

Huawei OXC Solution

Application Scenarios of Huawei OXC

Turbo WDM Technology

Turbo WDM Hardware

Networking and Application

Introduction to the Clock Synchronization Network

Clock Synchronization Network Technologies

DCI Driving Forces and Challenges

Huawei DCI Solution

DCI Cases

Overview of Fiber Optic Sensing

Basic Principles of Distributed Fiber Optic Sensing

Typical Application Scenarios of Distributed Fiber Optic Sensing

Products

Comprehensive Troubleshooting Methods for Transmission Networks

11 Topics

Electrical-Layer Alarms

Optical-Layer Alarms

Fault Locating Principles and Methods

Troubleshooting Methods for Different Faults

Typical Cases

Optical Power Faults

Service Interruptions

Protection Faults

Communication Faults

Bit Error Faults

Interconnection Faults

Learning Objectives

What You Will Master

This expert certification equips you with comprehensive skills in OTN network design, MS-OTN service configuration, ASON deployment, optical network reconstruction, and advanced fault troubleshooting on Huawei transmission platforms.

Prerequisites

Individual with HCIP-Transmission Certification or equivalent skill set in optical transmission network design and operations.

Describe types of Huawei Transmission Network Products and application scenarios

Understand characteristics of commonly used boards, cabinets, and subracks

Describe the system structure, functions, and OAM operations of iMaster NCE-T

Perform OTN device deployment, commissioning, OSC setup, and optical power tuning

Configure MS-OTN services: OTN, SDH, EoO, EoS, MPLS-TP, and OSU service types

Understand OSU NHP technology principles, application scenarios, and features

Configure optical-layer and electrical-layer ASON services (Diamond, Silver, Copper)

Perform OTN network reconstruction including capacity expansion and protection changes

Understand coherent, C-band, ULH, OXC, and Turbo WDM advanced transmission technologies

Troubleshoot optical power faults, service interruptions, protection faults, and bit errors

FAQs

Frequently Asked Questions

What is the H12-931 HCIE-Transmission certification?

H12-931 is Huawei's expert-level certification for transmission network engineers. It validates expert knowledge in OTN products, iMaster NCE-T, QoS, MS-OTN service configuration, ASON, network reconstruction, and comprehensive troubleshooting.

What are the prerequisites for H12-931?

Candidates should hold HCIP-Transmission certification or possess equivalent skills in optical transmission network design, OTN service configuration, and fault analysis.

What topics are covered in H12-931?

The exam covers Huawei transmission products, iMaster NCE-T OAM, OTN device commissioning, QoS/HQoS, MS-OTN service types (OTN/SDH/EoO/EoS/MPLS-TP/OSU), NHP/OSU technology, ASON configuration, optical network reconstruction, and transmission troubleshooting.

What is the H12-931 exam format?

H12-931 consists of 80 questions with a 90-minute duration and a 60% passing score, delivered online through the Huawei Certification System in English and Chinese.

How do I download the H12-931 course brochure?

Click "Brochure" on this page, fill in your details, and the brochure downloads immediately. Our counsellors will contact you to discuss course schedules and enrolment.

Become a Certified Transmission Network Expert

Join Zetlan Technologies' H12-931 programme and master OTN design, MS-OTN services, ASON, optical network reconstruction, and expert troubleshooting. Earn your HCIE-Transmission certification and lead high-capacity optical network projects.