Juniper acx1000 User Manual page 4

ACX1000 and ACX1100 Universal Access Router
Chapter 4
Part 2
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
iv
Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 41
ACX1000 and ACX1100 Power Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Site Planning, Preparation, and Specifications
Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Site Preparation Checklist for ACX1000 and ACX1100 Routers . . . . . . . . . . . . . . . 45
General Site Guidelines for ACX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Site Preparation Checklist for ACX1000 and ACX1100 Routers . . . . . . . . . . . . . . . 47
ACX1000 and ACX1100 Router Environmental Specifications . . . . . . . . . . . . . . . 48
Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cabinet Requirements for ACX1000 and ACX1100 Routers . . . . . . . . . . . . . . . . . . 51
Rack Requirements for ACX1000 and ACX1100 Routers . . . . . . . . . . . . . . . . . . . . 52
Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Cooling System and Airflow in an ACX1000 and ACX1100 Router . . . . . . . . . . . . . 55
Clearance Requirements for Airflow and Hardware Maintenance on ACX1000
and ACX1100 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Planning Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
ACX1000 and ACX1100 Router Grounding Specifications . . . . . . . . . . . . . . . . . . . 57
Grounding Points Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
ACX1100 AC Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
ACX1100 AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
ACX1000 and ACX1100 DC Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Ports and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Alarm Contact Port Pinouts for ACX1000 and ACX1100 Routers . . . . . . . . . . . . . 63
External Clocking Ports Specifications on the ACX1000 and ACX1100 Router . . . 65
Console/Auxiliary Port Connector Pinout on ACX Series Routers . . . . . . . . . . . . . 65
Management Port Connector Pinout Information for ACX Series Routers . . . . . . 66
USB Port Specifications for an ACX Series Router . . . . . . . . . . . . . . . . . . . . . . . . . 66
Network Cable and Transceiver Overview for ACX Series, M Series, and MX Series
Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Supported Network Interface Standards by Transceiver for ACX Series, M Series,
MX Series, and T Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion . . . . 76
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 76
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 76
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . . . . . 77
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 77
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 78
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