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Table of Contents

Foreword ............................................................................................................................................................ I

Important Safeguards and Warnings ............................................................................................................. III

1 Structure ........................................................................................................................................................ 1

Introduction ................................................................................................................................................................................. 1

Features ......................................................................................................................................................................................... 1

Front Panel .................................................................................................................................................................................... 1

Rear Panel ..................................................................................................................................................................................... 3

2 Installation ..................................................................................................................................................... 4

VTH .................................................................................................................................................................................................. 4

VTO .................................................................................................................................................................................................. 4

3 Wiring ............................................................................................................................................................. 6

Preparations ................................................................................................................................................................................. 6

3.1.1 Port Connection Rules ................................................................................................................................................ 6

3.1.2 Cord Specification......................................................................................................................................................... 7

Wiring One VTO and One VTH ............................................................................................................................................... 7

Wiring Three VTOs and One VTH .......................................................................................................................................... 8

Wiring Two VTOs and Three VTHs ........................................................................................................................................ 9

4 Menu Operations ......................................................................................................................................... 10

Snapshots.................................................................................................................................................................................... 10

Time ............................................................................................................................................................................................... 12

Restoring to Default Settings .............................................................................................................................................. 12

Cybersecurity Recommendations ............................................................................................. 14