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UP LINK
DECEMBER 2000
LE2690A
9-Port Personal MiniHub
CUSTOMER Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
SUPPORT FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com
PORT 9
PWR
LINK
9-Port Personal MiniHub
RX
LINK
1 8
PORT 2 3 4 6 7
5
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FCC AND CDC/MDC STATEMENTS FEDERAL COMMUNICATIONS COMMISSION and CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENT Class B Digital Device. a B a a ¥ ¥ ¥ a ¥ Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. a B This digital apparatus does not exceed the Class B limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of the
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9-PORT PERSONAL MINIHUB NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD y y y n e y o o a a l o l a a o l a o o u . a o aparato. el en indique se como operaci n, de instructivo el en descrito tipo del s lo poder de fuente una connectado ser deber el ctrico aparato El 11. calor producen que amplificadores) (incluyendo aparatos otros estufas calor, de registros radiadores, como calor de fuentes de alcance del fuera situado ser deber el ctrico equipo El 10.
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NOM STATEMENT, TRADEMARKS y a l o a y a u o l e u o o a a l o o o o u s CE Approval TRADEMARKS USED IN THIS MANUAL a USA. Velcro of trademark registered is Velcro approved. CE is unit This da ada. sido ha cubierta tirado sido ha aparato El E: desempe o; su en cambio un muestra normalmente operar no parece aparato El D: lluvia; expuesto sido ha aparato El C: aparato; del dentro derramado sido ha l quido ca do han Objectos B: da ado; sido ha contacto poder de cable El A: cuando: provisto ser deber
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9-PORT PERSONAL MINIHUB Contents Chapter Page 1 3 3 4 5 7 7 7 14 .............................................................. Packaging and Shipping 5.3 14 ................................................................. Supplier Your Calling 5.2 13 ........................................................................... Check to Things 5.1 13 ................................................................................. Troubleshooting 5. 11 ............................................
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CHAPTER 1: Specifications 1. Specifications Compliance — A B Standard — Interface — Data Rate — Partitioning — Reconnection — t Maximum Segment Length — m m User Controls — Indicators — Connectors — Leads/Signals Supported — — — 1 respectively Receive and +, Receive —, Transmit +, Transmit operation): crossed for (set port rear On respectively; Transmit and +, Transmit —, Receive +, Receive port: rear the operation) straight-through for set (when and ports front On 6; and 3, 2, 1, Pins rear-mo
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9-PORT PERSONAL MINIHUB Power — 1 Enclosure — Cooling Method — Operating Temperature — F 0 ( o t Storage Temperature — F Humidity — Size — x x x x Weight — 1 2 2 kg) (0.9 lb. supply: power plus Net kg); (0.5 lb. Net: cm) 11.2 12.7 (1.9 4.4"D 5"W 0.8"H noncondensing 95% to 10 C) 60ß to (—20 140ß to —4 C) 50ß 122ß to 32 Convection steel High-strength maximum watts 10 Consumption: amp; VDC, 12 Output: Hz; 60 VAC, 120 Input: supply: power wallmount From
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CHAPTER 2: Introduction 2. Introduction 2.1 General Overview a a a a a a Section 3.3 a a a a ¤ a 3 802.3 IEEE the with comply fully MiniHubs Personal segments. cable 10BASE-T full-length over devices network other or workstations nine to up of connection support ports RJ-45 MiniHub s Personal 9-Port The strip. power or receptacle wall AC available an into plugs conveniently supply power external The minimal. and neat is space wiring that so plane same the in are connectors wiring the of All cab
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9-PORT PERSONAL MINIHUB LEDs Front- panel ports Rear-Panel Port Power Up-Link Jack Switch 2.2 Features and Benefits ¥ Interconnectability with Existing Ethernet Networks a ¥ Interoperability with Other Ethernet Devices 4 network. Ethernet standard any into integrated be to MiniHubs Personal allows This operation. CSMA/CD Mbps 10 for specifications 802.3 IEEE with compliant fully is Each devices. network compliant Ethernet- other with interoperable completely are MiniHubs Personal port. rear Mini
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CHAPTER 2: Introduction ¥ Installation Versatility ¥ Robust Netork Operation A ¥ Simple Network Diagnosis and Maintenance with LEDs a a ¥ Low-cost Standalone 10BASE-T Connectivity a a a a ¥ High-Quality Construction B 2.3 Applications x = = 5 page). next the of top the at illustration the (see devices networked other for ports new eight added have you minutes, In are: you there and transformer, supply s power the in plug jack, power MiniHub s the into supply power external MiniHub s the of co
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9-PORT PERSONAL MINIHUB To Existing Network a = a 6 hub. another to up-link an not port, user is port rear MiniHub s the that so position, = = or straight-through the to switch Up-Link the set application, this In segments. all on supported are segments Ethernet full-length and used, is wiring 10BASE-T only where available are ports user RJ-45 nine to Up below. shown as system, multi-user personal local network to standalone used be also may MiniHubs Personal 9-Port
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CHAPTER 3: Installation 3. Installation 3.1 Before You Install: Inspecting the Complete Package ¥ ¥ ¥ 3 ¥ ¥ Sections 5.2 and 5.3 . 3.2 The Installation Procedure a 6 3.2.1 MOUNTING THE MINIHUB Tabletop- or Shelf-Mounting a A 7 operating. is unit the while occur can cooling convection that so unit the around area open an Keep workplace. lab or office an in damage accidental from it protect will Hub Personal the of case steel rugged The read. to easy and view plain in be will indicators status LE
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UP LINK 9-PORT PERSONAL MINIHUB Wall (or Vertical-Surface) Mounting a a a a a a PWR PORT 9 LINK Bracket Bracket RX LINK PORT12 3 4 5 6 7 8 3.2.2 POWERING UP THE HUB 8 segments. cable Ethernet attaching begin to ready are you Now up. light should LED PWR green The away. less or meters) (2 feet six is that receptacle AC an into transformer supply s power the Plug panel. rear MiniHub s Personal the on jack power matching the into cord power DC supply s power external included the plug MiniHub, Pe
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CHAPTER 3: Installation 3.2.3 CONNECTING TWISTED-PAIR SEGMENTS TO THE FRONT-PANEL PORTS a a a 3.2.4 USING THE REAR-PANEL PORT AND THE UP-LINK SWITCH a a = a x = = A x = = a a = a x = = a = 9 locally. available is bandwidth full and inoperative is segment uplink the situation, this In position. = = the to switch Up-Link the moving by MiniHub Personal 9-Port the on devices and users the isolate logically can you network), larger to port the from runs (cable uplinked physically is po
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9-PORT PERSONAL MINIHUB 3.3 Cascading x a = = a NOTE If you run cable between the rear ports of two 9-Port Personal Mini-Hubs, as shown with the upper two units in the illustration below, set the x Up-Link switch of only one of the units to the “= =” position—the other unit’s switch must remain set to the “= ==” position for the link to work properly. 10 network. same the on users two between path any in repeaters or hubs four than more place shouldn t you standards, Ethernet by defined rule
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CHAPTER 4: Operation 4. Operation 4.1 LED Indicators Power On (PWR) LED: Link Status (LINK) LEDs: a a NOTE When the rear port is physically uplinked (cabled) to another hub, the LINK LED will normally be ON when the Up-Link switch is set to the x “= =” position. If you isolate the MiniHub for full-bandwidth local operation by moving the Up-Link switch to the “= ==” position, the LINK LED will be OFF because the up-link is logically disabled. Receive Packets (RX) LEDs: 4.2 Operating Features Par
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9-PORT PERSONAL MINIHUB Prenmble Regeneration: a Collisions: a a a a Fragment Extension: a 12 bits. 96 least at is destination its toward on sent packet the of size the that so fragment ) (a bits 96 than less of packet data received to bits add automatically will MiniHubs Personal 9-Port The ports. other to pattern jam generates it detected, is port one from signal collision When condition. collision create to port each on generated is pattern jam ports, multiple on simultaneously detected is c
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CHAPTER 5: Troubleshooting 5. Troubleshooting Section 5.1 Section 5.2 . 5.1 Things to Check a Chapters 3 and 4 . a a a 5 Section 5.2 . 13 See support. technical for supplier your contact persists, problem the If 5. properly. functioning are cables associated its and Hub Personal the away, goes problem the If below. Step to go not, If away. goes problem the not or whether Verify device. known-good with device problem the replace you that recommended we MiniHub, Personal 9-Port the than other dev
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9-PORT PERSONAL MINIHUB 5.2 Calling Your Supplier do not attempt to alter or repair it. a a ¥ ¥ ¥ ¥ 5.3 Shipping and Packaging ¥ ¥ f I a 14 number. (RMA) Authorization Materials Return get to supplier your contact return, or repair for MiniHub the ship you Before it. with received you everything include MiniHub, the returning you re If supply. power its include repair, for MiniHub the shipping you re container. original the use you that recommend We carefully. it Package MiniHub: Personal 9-Port
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NOTES
