OTN

Basic Knowledge of Transmission and Network Introduction

OTN Technology Principle

ZTE ZXONE 9700 NXG Product Introduction

ZTE ZXMP M721 Product Introduction

ZTE ZXONE 7000 Product Introduction

ZENIC ONE NMS Product Introduction

ZCSA：Candidates can obtain ZCSA certification after passing the Theory Exam.

ZCSA certificate is valid for 2 years.
Before the certificate expires, the certificate holder can pass the Theory Exam of the corresponding certification level to obtain the certificate again. The validity period of the recertification is the same as the original certificate.