When Calling for Assistance. Black Box LBH184A, LBH181A, LBH081A, LBH082A, LBH084A, LBH182A
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Chapter 5: Troubleshooting
5.2 When Calling for Assistance
Please be prepared to provide the following information.
1. A complete description of the problem, including the following points: a. The nature and duration of the problem; b. Situations when the problem occurs; c. The components involved in the problem; d. Any particular application that, when used, appears to create the
problem;
2. An accurate list of Black Box product model(s) involved, with serial number(s). Include the date(s) that you purchased the products from your supplier.
3. It is useful to include other network equipment models and related hardware, including personal computers, workstations, terminals and printers; plus, the various network media types being used.
4. A record of changes that have been made to your network configuration prior to the occurrence of the problem. Any changes to system administration procedures should all be noted in this record.
All returns for repair must be accompanied by a Return Material
Authorization (RMA) number. To obtain an RMA number, please contact Black Box
Tech support.
Please have the following information readily available:
Name and phone number of your contact person.
Name of your company / institution
Serial Number (or Invoice Number)
Packing List Number (or Sales Order Number)
Date of installation
Failure symptoms, including a full description of the problem.
Black Box will carefully test and evaluate all returned products, will repair products that are under warranty at no charge, and will return the warrantyrepaired units to the sender with shipping charges prepaid (see Warranty
Information, Appendix A, for complete details). However, if the problem or condition causing the return cannot be duplicated by Black Box, the unit will be returned as:
No Problem Found.
Page 26 724-746-5500 | blackbox.com
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Table of contents
- 6 SPECIFICATIONS
- 6 Technical Specifications
- 8 Ordering Information
- 9 INTRODUCTION
- 9 Inspecting the Package and Product
- 9 Product Description - General
- 11 LBH18x chassis
- 11 LBH08x chassis
- 12 Fiber port, SC or LC Connector for Model LBH18x
- 12 Frame Buffering and Latency
- 14 Features and Benefits
- 15 Applications
- 17 INSTALLATION
- 17 Locating LBH08x/LBH18x Series Switches
- 17 Table Top or Shelf Mounting
- 17 Mounting Dimensions with metal brackets
- 20 DIN-Rail mounting option
- 20 Connecting Ethernet Media
- 21 Connecting Twisted Pair (RJ-45, CAT 3 or CAT 5)
- 21 Connecting Fiber Optic SC-type, “Snap-In
- 21 “Small Form factor (SFF)
- 21 Connecting Single-Mode Fiber Optic
- 22 Power Budget Calculations for LBH18x Fiber Media
- 22 Connections to NICs which support Auto-Negotiation
- 22 Powering the LBH08x/LBH18x
- 23 OPERATION
- 23 Dual-Speed Functionality, and Switching
- 24 Auto-negotiation and Speed-sensing
- 24 Auto-Cross (MDIX) and Auto-negotiation, for RJ-45 ports
- 24 LED Indicators
- 25 TROUBLESHOOTING
- 25 Before Calling for Assistance
- 26 When Calling for Assistance
- 26 Return Material Authorization (RMA) Procedure
- 27 Shipping and Packaging Information
- 27 APPENDIX A: WARRANTY INFORMATION
- 28 APPENDIX B: DC Power Input