Manuali utente per Black Box LBH240A

Sommario

• SPECIFICATIONS (HEAVY-DUTY EDGE SWITCHES)

  1
• Technical Specifications

  1
• 1.2 Summary of models and descriptions

  10
• INTRODUCTION

  12
• Inspecting the Package and the Product

  12
• Product Description

  13
• Frame Buffering and Latency

  22
• Features and Benefits

  26
• Applications for Heavy-Duty LBHXXX Edge Switches

  29
• INSTALLATION

  37
• Locating the Edge Switch Unit

  37
• LH1505-RACK-1-9V and LH1505-RACK-2-9V

  40
• DIN-Rail mounting option

  41
• Power Requirements, Power Supply Types

  42
• Powering the LBHXXXA(E)-H and -P (DC internal)

  44
• 3.6 DC Power Terminals: “+”, “-”, gnd

  46
• LBHXXXA(E)-H and -P Series, DC-powered,

  47
• Connecting Ethernet Media

  48
• Connecting Twisted Pair

  50
• Connecting Fiber Optic ST-type, “twist-lock”

  50
• Connecting Fiber Optic SC-type, "Snap-In"

  51
• Connecting Single-Mode Fiber Optic

  52
• Power Budget Calculations

  53
• Connections to NICs

  55
• OPERATION

  56
• Dual-Speed Functionality, and Switching

  56
• Auto-cross (MDIX),

  58
• Dual LEDs, Front-panel and side-panel

  59
• 4.4 Hardware operated Alarm Contact

  60
• TROUBLESHOOTING

  61
• Before Calling for Assistance

  62
• When Calling for Assistance

  63
• Return Material Authorization (RMA) Procedure

  65