📶 HCIA Level · Associate Certification

HCIA-Transmission (H31-311)

Build foundational expertise in optical transmission networks with Huawei's HCIA-Transmission certification. Master SDH principles, WDM technologies, OTN fundamentals, Huawei transmission products, and network protection configurations trusted by telecom operators and service providers worldwide.

SDH Principles WDM Technology OTN Fundamentals Optical Networks Network Protection HCIA Associate Telecom Engineering

Enroll Now

SDH PrinciplesFrame structure, multiplexing, overheads & pointers

Transmission ProductsOptiXtrans E9600/E6600, boards & cabinets

WDM & OTN TechnologiesWDM transmission media, OTN frame structure & layers

Network ProtectionDevice-level & network-level protection schemes

Questions

90 min

Duration

60%

Pass Score

HCIA

Associate

Market Trending

Optical Transport Networks Power the Digital Economy

The global optical transport network market is expanding rapidly as telecom operators upgrade their infrastructure to support 5G, cloud services, and exponential data growth.

Hot

$45B+

Optical Transport Market by 2027

The global optical transport network market is projected to exceed $45 billion by 2027, driven by 5G rollouts, cloud data centre interconnects, and enterprise WAN upgrades.

15,000+

Transmission Engineering Roles

Huawei-certified transmission engineers are in demand at telecom operators, ISPs, and managed service providers upgrading SDH and WDM networks globally.

Hot

85%

Telcos Upgrading Optical Networks

Most telecom operators are actively upgrading to NG WDM and OTN infrastructure, creating sustained demand for transmission-certified engineers.

+28%

Salary Premium for Certified Engineers

Transmission engineers with Huawei HCIA certification command higher compensation compared to non-certified peers in telecom and network operations roles.

Course Content

Complete H31-311 Curriculum

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

Transmission Network Overview

3 Topics

Basic Concepts of Transmission Networks

Transmission Network Technologies

Huawei Transmission Network Solutions

SDH Principles

6 Topics

SDH Overview

SDH Frame Structure and Multiplexing Procedure

Overheads and Pointers

Logical Functional Modules

Application of SDH Trail Layers and Overheads

PCM Technology

Transmission Network Products

3 Topics

Product Overview (OptiXtrans E9600/E6600 & DC908)

Cabinets and Subracks

Boards and their functions

Introduction to NCE-T & Network Technologies

11 Topics

System Architecture of NCE-T

Basic Functions of NCE-T

Key Features of NCE-T

Ethernet Principles and Services

WDM System Overview and Transmission Media

Key Technologies of WDM

Network Layers and System Architecture

Site Types and Basic Networking Elements

OTN Overview and Frame Structure

OTN Interface Structures and Multiplexing

Evolution to Liquid OTN

Transmission Network Protection & Configuration

10 Topics

Basics of Transmission Network Protection

Device-Level Protection

Network-Level Protection

Equipment Commissioning

TDM Service Configuration

Ethernet Service Configuration

PCM Service Configuration

OTN Electrical-Layer Service Configuration

OptiXtrans DC908 Service Configuration

NG WDM Optical-Layer Protection Configuration

Learning Objectives

What You Will Master

This certification equips you with associate-level skills in optical transmission network principles, Huawei SDH and WDM products, OTN technologies, and practical service configuration for entry-level transmission engineering roles.

Prerequisites

Candidates should have a general knowledge of telecommunications and basic networking concepts before taking this certification.

Describe transmission network concepts and main transmission network technologies

Understand Huawei transmission network solutions and product positioning

Describe the SDH frame structure, multiplexing procedure, overhead bytes, and pointers

Understand the composition of SDH logical functional modules and PCM technology

Identify and describe Huawei OptiXtrans E9600/E6600 series boards and cabinet structure

Understand NCE-T architecture, functions, and key network management features

Describe Ethernet principles, service types, and WDM key technologies

Understand OTN interface structures, frame structure, and electrical-layer overheads

Configure TDM, Ethernet, PCM, and OTN electrical-layer services on transmission equipment

Understand and apply network protection schemes including device-level and network-level protection

Who Is This For

Designed for Transmission Network Engineers

H31-311 is ideal for engineers entering the optical transmission field who want to learn SDH, WDM, OTN fundamentals, and Huawei transmission product operations.

Transmission Engineers

Telecom Field Engineers

Network Operations Staff

ISPs & Telecom Operators

Engineering Graduates

HCIA-Transmission Seekers

FAQs

Frequently Asked Questions

What is the H31-311 HCIA-Transmission certification?

H31-311 is Huawei's associate-level certification for junior transmission engineers capable of deploying transport network devices, configuring basic services, and performing routine operation and maintenance on Huawei SDH and WDM equipment.

What are the prerequisites for H31-311?

Candidates should have a general knowledge of telecommunications. No specific prior certification is required, making this accessible for engineering graduates and professionals new to transmission networking.

What topics does the H31-311 exam cover?

The exam covers transmission network overview, SDH principles, Huawei transmission products, NCE-T network management, Ethernet and WDM technologies, OTN frame structure, network protection, and practical service configuration.

What are the exam format and passing requirements?

H31-311 consists of 60 questions, has a 90-minute duration, and requires a minimum passing score of 60%. It is delivered online through the Huawei Certification System.

How do I download the course brochure?

Click "Download Brochure" on this page, fill in your name, contact number, and email, and the brochure downloads instantly. Our team will follow up to answer any questions.

Get Started

Become an HCIA-Certified Transmission Engineer

Join Zetlan Technologies' H31-311 programme and master SDH principles, Huawei transmission products, WDM and OTN technologies, and practical network service configuration. Earn your HCIA-Transmission certification and launch your career in optical transport networks.

Enroll Now Call Us WhatsApp