Juniper ACX5048 User Manual

Chapter 4 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 37
AC Power Supply for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
DC Power Supply for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Part 2 Site Planning, Preparation, and Specifications
Chapter 5 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Site Preparation Checklist for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . 45
General Site Guidelines for an ACX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . 46
Site Electrical Wiring Guidelines for an ACX Series Routers . . . . . . . . . . . . . . . . . . 47
Distance Limitations for Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Radio Frequency Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Electromagnetic Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Environmental Requirements and Specifications for an ACX5000 Router . . . . . 48
Chassis Physical Specifications for an ACX5000 Router . . . . . . . . . . . . . . . . . . . 49
Rack Requirements for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Cabinet Requirements for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Clearance Requirements forAirflow and Hardware Maintenance for an ACX5000
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Chapter 6 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
AC Power Specifications for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . 53
AC Power Cord Specifications for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . 54
DC Power Specifications for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . 55
Chapter 7 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
USB Port Specifications for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Console Port Connector Pinouts for an ACX5000 Router . . . . . . . . . . . . . . . . . . . 58
Management Port Connector Pinouts for an ACX5000 Router . . . . . . . . . . . . . . 58
Interface Support for an ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Interface Specifications for SFP, SFP+, and QSFP+ Transceivers for an ACX5000
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Interface Specifications for SFP+ DAC Cables for an ACX5000 Router . . . . . . . . 77
Interface Specifications for QSFP+ DAC Breakout Cables for an ACX5000
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Interface Specifications for QSFP+ DAC Cables for an ACX5000 Router . . . . . . . 86
Chapter 8 Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Cable Specifications for QSFP+ and QSFP28 Transceivers . . . . . . . . . . . . . . . . . . 91
Cable Specifications for Console and Management Connections for an ACX5000
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Grounding Cable and Lug Specifications for an ACX5000 Router . . . . . . . . . . . . 93
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion in an
ACX5000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Signal Loss in Multimode and Single-Mode Fiber-Optic Cables . . . . . . . . . . 94
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 95
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . . . . . 95
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 96
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 96
Copyright © 2015, Juniper Networks, Inc.iv
ACX5048 and ACX5096 Universal Access Router

Juniper ACX5048 Specifications

General

Brand	Juniper
Model	ACX5048
Category	Network Router
Language	English