1.2.1 USG6530 ................................................................................................................................................................. 44

1.2.1.1 Device Overview .................................................................................................................................................. 44

1.2.1.2 Front Panel ............................................................................................................................................................ 46

1.2.1.3 Rear Panel ............................................................................................................................................................. 50

1.2.1.4 Power Supply System ........................................................................................................................................... 51

1.2.1.5 Heat Dissipation System ....................................................................................................................................... 56

1.2.1.6 Technical Specifications ....................................................................................................................................... 57

1.2.2 USG6550/6570 ........................................................................................................................................................ 59

1.2.2.1 Device Overview .................................................................................................................................................. 59

1.2.2.2 Front Panel ............................................................................................................................................................ 61

1.2.2.3 Rear Panel ............................................................................................................................................................. 65

1.2.2.4 Power Supply System ........................................................................................................................................... 66

1.2.2.5 Heat Dissipation System ....................................................................................................................................... 69

1.2.2.6 Technical Specifications ....................................................................................................................................... 69

1.3 USG6600 Product Series ............................................................................................................................................ 71

1.3.1 USG6620/6630 ........................................................................................................................................................ 72

1.3.1.1 Device Overview .................................................................................................................................................. 72

1.3.1.2 Front Panel ............................................................................................................................................................ 74

1.3.1.3 Rear Panel ............................................................................................................................................................. 78

1.3.1.4 Power Supply System ........................................................................................................................................... 79

1.3.1.5 Heat Dissipation System ....................................................................................................................................... 82

1.3.1.6 Technical Specifications ....................................................................................................................................... 82

1.3.2 USG6650/6660 ........................................................................................................................................................ 84

1.3.2.1 Device Overview .................................................................................................................................................. 85

1.3.2.2 Front Panel ............................................................................................................................................................ 88

1.3.2.3 Rear Panel ............................................................................................................................................................. 90

1.3.2.4 Power Supply System ........................................................................................................................................... 95

1.3.2.5 Heat Dissipation System ..................................................................................................................................... 100

1.3.2.6 Technical Specifications ..................................................................................................................................... 103

1.3.3 USG6670 ............................................................................................................................................................... 105

1.3.3.1 Device Overview ................................................................................................................................................ 105

1.3.3.2 Front Panel .......................................................................................................................................................... 108

1.3.3.3 Rear Panel ........................................................................................................................................................... 110

1.3.3.4 Power Supply System ......................................................................................................................................... 115

1.3.3.5 Heat Dissipation System ..................................................................................................................................... 120

1.3.3.6 Technical Specifications ..................................................................................................................................... 123

1.3.4 USG6680 ............................................................................................................................................................... 125

1.3.4.1 Device Overview ................................................................................................................................................ 125

1.3.4.2 Front Panel .......................................................................................................................................................... 128

1.3.4.3 Rear Panel ........................................................................................................................................................... 130

1.3.4.4 Power Supply System ......................................................................................................................................... 137

1.3.4.5 Heat Dissipation System ..................................................................................................................................... 141

Issue 03 (2015-01-26)

Huawei Proprietary and Confidential

Contents

vii

Table of Contents