Dell PowerConnect J-EX8216 Hardware Manual page 8

Dell PowerConnect J-Series J-EX8216 Ethernet Switch Hardware Guide
Chapter 3
Part 2
Chapter 4
Chapter 5
Chapter 6
Chapter 7
viii
48-port RJ-45 Line Card in a J-EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Line Card LEDs in a J-EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Network Port LEDs in a J-EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
AC Power Supply in a J-EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
AC Power Supply Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
N+1 Redundancy Configuration of AC Power Supplies . . . . . . . . . . . . . . . . . . 40
N+N Redundancy Configuration of AC Power Supplies . . . . . . . . . . . . . . . . . . 41
AC Power Supply LEDs in a J-EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Cooling System and Airflow in a J-EX8216 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 44
Midplane in a J-EX8216 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Component Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
USB Port Specifications for a J-EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Console Port Connector Pinout Information for a J-EX Series Switch . . . . . . . . . . 49
Management Port Connector Pinout Information for a J-EX8200 Switch . . . . . . 50
Optical Interface Support in J-EX8200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Grounding Cable and Lug Specifications for J-EX8200 Switches . . . . . . . . . . . . . 59
Planning for Switch Installation
Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Site Preparation Checklist for a J-EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 63
General Site Guidelines for J-EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Site Electrical Wiring Guidelines for J-EX Series Switches . . . . . . . . . . . . . . . . . . . 65
Environmental Requirements and Specifications for J-EX Series Switches . . . . . 66
Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Rack Requirements for a J-EX8216 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Cabinet Requirements and Specifications for a J-EX8216 Switch . . . . . . . . . . . . . 71
Clearance Requirements for Airflow and Hardware Maintenance for a J-EX8216
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Cable Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Cables Connecting the J-EX8200 Switch to Management Devices . . . . . . . . . . . . 77
Understanding J-EX8200 Switch Fiber-Optic Cable Signal Loss, Attenuation,
and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 78
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 78
Planning Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
AC Power Specifications for J-EX8200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Power Requirements for J-EX8216 Switch Components . . . . . . . . . . . . . . . . . . . . 82
AC Power Cord Specifications for a J-EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . 83
Calculating Power Requirements for a J-EX8216 Switch . . . . . . . . . . . . . . . . . . . . 85
Calculating the Power Consumption of Your J-EX8216 Switch
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Calculating the System Thermal Output for Your J-EX8216 Switch
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87