Black Box LH408A-MSC - Manuals

Black Box LH408A-MSC – Manual in PDF format online.

Manuals:

Manual

Manual Black Box LH408A-MSC

Summary

Page 2 - BLACK BOX; Black Box; Trademarks; UL is a registered trademark of Underwriters Laboratories; Contacting Black Box Corporation; Please use the mailing address, phone and fax numbers listed below.; Black Box Corporation

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 1 Black Box Dual-Speed Personal MiniHub (fs)* With a 100Mb Fiber Port (fs) refers to all of the models in this LH408A Fiber-Series (R2) refers to all models in the LH408A Copper only units Installation and User Guide Tradema...

Page 5 - TABLE OF CONTENTS; HE SUFFIX

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 4 TABLE OF CONTENTS PAGE NOTE: T HE SUFFIX ( FS ) IS USED TO REFER TO ALL HUB MODELS IN THIS FIBER - SERIES 1.0 SPECIFICATIONS ..................................................................................... 5 1.1 Techn...

Page 6 - Technical Specifications; Partitioning: Enforced after 63 consecutive collisions; Network Standards

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 5 1.0 SPECIFICATIONS 1.1 Technical Specifications 100 or 10 Mbps on RJ-45 ports, auto-sensing for speed. LH408A-(fs) Dual-Speed Personal MiniHubs support two traffic domains, one at 100Mbps and one at 10 Mbps on RJ-45 ports ...

Page 7 - 00-250 vac at 50Hz for international models, which have

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 6 Operating Environment Ambient Temperature: 32 º F to 104 º F (0 º C to 40 º C) Storage Temperature: -5 º C to 160 º F (-20 º C to 70 º C) Ambient Relative Humidity: 10% to 95% (non-condensing) Power Supply (External ) Inpu...

Page 8 - Ordering Information, model numbers and descriptions; with a 100Mb Fiber Port; -port Dual-Speed Personal MiniHub with one full-duplex 100Mbps; MiniHubs with all copper ports

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 7 1.2 Ordering Information, model numbers and descriptions LH408A-(fs)* Dual-Speed Personal MiniHubs with a 100Mb Fiber Port * the (fs) suffix refers to all 6 models in the Personal MiniHub Fiber-Series LH408A-MSC: 8-port Du...

Page 9 - INTRODUCTION; This package should contain:

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 8 2.0 INTRODUCTION 2.1 Inspecting the Package and Product Examine the shipping container for obvious damage prior to installing this product; notify the carrier of any damage that you believe occurred during shipment or deli...

Page 10 - Product Description - General

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 9 2.2 Product Description - General The LH408A-(fs) Dual-Speed Personal MiniHubs offer the flexibility of 100Mbps switched fiber link upstream with the convenience of dual-speed 10/100 copper ports for workplace LAN connecti...

Page 11 - Fiber ST above, fiber SC at right; The DC power plug connector; LH408A-R2 chassis with all RJ-45 Copper ports; The LH408A-R2 chassis houses one

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 10 2.2.1 LH408A-(fs) chassis with fiber ST or SC (mm or sgl. mode) connector Fiber ST above, fiber SC at right The Black Box LH408A-(fs) chassis houses one main PC board. The power supply unit is external. The front side of ...

Page 12 - Up-link Port 1SW for Cascading

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 11 Link and Activity (LINK/ACT) LEDs indicating traffic, and speed (ON for 100Mbps). Switched ports 1SW and 2SW have full/half (F/H ON for full duplex) duplex indicators. The DC power plug connector or “jack” is in the left ...

Page 13 - 00Mbps Fiber port, ST or SC connector; Ports 1

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 12 2.4 100Mbps Fiber port, ST or SC connector 100Mbps Fiber port, ST-type mm or SC type (single-mode or multi-mode) The Fast Ethernet fiber switched port on the LH408A-(fs) is set to operate at fixed 100Mb speed for guarante...

Page 14 - Features and Benefits

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 13 2.5 Features and Benefits Supports 10 or 100Mbps network connections on RJ-45 ports # 3 to 8 LH408A-(fs) and LH408A-R2 Dual-Speed Personal MiniHubs combine two logical hubs -- one at 10 Mbps and one at 100Mbps -- in one p...

Page 15 - Applications; fiber

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 14 2.6 Applications The LH408A-(fs) and LH408A-R2 is designed to bring future-proof fiber connectivity and highly used copper connectivity to small user groups in offices, classrooms and labs. In this example, an LH408A-(fs)...

Page 16 - INSTALLATION; Proper attachment of; Mini Hub

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 15 3.0 INSTALLATION This chapter provides instructions for installing Black Box LH408A-(fs) and LH408A- R2 hubs. 3.1 Locating the LH408A-(fs) and LH408A-R2 Dual-Speed Hubs The location of an LH408A-(fs) and LH408A-R2 Dual-Sp...

Page 17 - Connecting Ethernet Media; that the auto-sensing function does not sense the cable type.

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 16 3.2 Connecting Ethernet Media The LH408A-R2 Dual-Speed Pearsonal Hub can be connected to two media types i.e 100BASE-TX and 10 BASE-T, however, the LH408A-(fs) Dual-Speed Personal MiniHub can be connected to the following...

Page 18 - Connecting Single-Mode Fiber Optic

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 17 1. Before connecting the fiber optic cable, remove the protective dust caps from the tips of the fiber connectors. Save these dust caps for future use. 2. Wipe clean the ends of the dual connectors with a soft cloth or li...

Page 19 - μμμμ; only; if the following; Connections to NICs which support Auto-Negotiation, RJ-45 ports

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 18 3.2.5 Power Budget Calculations for LH408A-(fs) Fiber Media Receiver Sensitivity and Transmitter Power are the parameters necessary to compute the power budget. To calculate the power budget of different fiber media insta...

Page 21 - OPERATION

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 20 4.0 OPERATION This chapter describes the function and operation of the LH408A-(fs) and LH408A-R2 hubs. 4.1 Dual-speed functionality, and switching An LH408A-(fs) and LH408A-R2 MiniHub provides two N-way switched ports (on...

Page 22 - FULL or HALF Duplex, manual selection for LH408A-R2 Models

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 21 An address-aging algorithm causes least-used addresses to fall out in favor of new frequently-used addresses. To reset the address buffer, cycle power down-and-up. 4.2 Auto-negotiation and speed-sensing All eight RJ-45 po...

Page 23 - Use with Media Converters; Whereas the LH408A-R2 the switched port 2 SW at “F” position supports

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 22 4.5 LED’s PWR : Illuminates GREEN, steady on when power applied. ERROR : Indicates the self-test at power up was not successful SPEED Per Port: ON = 100Mbps; OFF = 10 Mbps (when LINK is made) LINK/ACT : Per port, steady O...

Page 24 - TROUBLESHOOTING; If you have difficulty installing or operating, refer to; Chapters 3; and

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 23 5.0 TROUBLESHOOTING All Black Box Ethernet products are designed to provide reliability and consistently high performance in all network environments. The installation of a Dual-Speed Personal MiniHub is a simple procedur...

Page 25 - When Calling for Assistance; The nature and duration of the problem.; Shipping and Packaging Information; If you need to transport or ship your Dual-Speed Personal MiniHub:

BLACK BOX  Dual-Speed Personal MiniHub Installation and User Guide (05/04) 24 5.2 When Calling for Assistance If you determine that your Dual-Speed Personal MiniHub is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts. Contact Black Box by phone at (7...