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For Installation in the middle of a 10BASE2 Segment

For Installation at the end of a 10BASE2 Segment

10BASE2 Cable
(Thin Ethernet)

BNC “T”
Connector

10BASE2 Cable
(Thin Ethernet)

10BASE2 Cable
(Thin Ethernet)

BNC “T”
Connector

Connect to coax
port on BOCAHUB-
16 Plus

Connect to coax
port on BOCAHUB-
16 Plus

50-ohm coaxial
terminator

Network Configuration

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Содержание BOCAHUB-16 Plus BEN220

Страница 1: ...1 Boca s Family of Ethernet Products BOCAHUB 16 Plus Installation Guide PRODUCT CODE BEN220 TM...

Страница 2: ...2 BOCAHUB 16Plus...

Страница 3: ...3 Boca s Family of Ethernet Products BOCAHUB 16 Plus...

Страница 4: ...100Base TX 10Base T Ethernet Adapter BE100 10 BOCALANcard TP Ethernet Adapter BEN110 with RJ 45 BNC connector BEN120 BOCALANcard 2000 TP Ethernet Adapter BE2000 T with RJ 45 BNC connector BE2000 2 NE...

Страница 5: ...IT you should check your DOS manual or seek assistance from you local computer dealer to install the product How to get Technical Assistance The dealer that you purchased this product or your computer...

Страница 6: ...o senior level technicians The number is 900 555 4900 You will be charged 2 00 per minute The charges will appear on your next phone bill Damaged or Missing Items We use many world class quality assur...

Страница 7: ...rk 26 3 7 Cascaded Network with Routers 27 3 8 Expanded Network 28 Section Four Cabling Characteristics 30 4 1 Cable Type 30 4 2 10BASE T Pin Assignments 31 4 3 Crossover Function 32 4 4 Straight Thro...

Страница 8: ...E 802 3 standards Its highly integrated dual chip solution constantly monitors signal quality ensuring increased network reliability The compact case fits conveniently on the corner of a desk and mult...

Страница 9: ...t with IEEE 802 3 specifications Easy installation and setup Supports automatic partitioning the logical disabling of ports that experience an excessive number of collisions Automatic re connection oc...

Страница 10: ...If any single network port senses the start of a valid packet on its receive lines then the BOCAHUB 16 Plus will re transmit the received data to all other enabled network ports Signal Regeneration Wh...

Страница 11: ...ioned the data received from that port will not be repeated However any other data on the network will be re transmitted on that port If the collisions that cause the partitioning cease the port will...

Страница 12: ...active for a short period of time The device connected to the port will respond in the same manner The Link Status of ports 1 16 can be viewed on the LEDs of the BOCAHUB 16 Plus when the LNK PRT switc...

Страница 13: ...any of the BOCAHUB 16 Plus ports A steady activity LED indicates a busy network COL This red LED lights whenever two or more ports are receiving data at the same time i e collision In this situation t...

Страница 14: ...When set to PRT partition LEDs 1 16 AUI and BNC will be on if the port is functioning normally and OFF if the port is partitioned NOTE the BNC LED might be off partitioned if it is not connected or t...

Страница 15: ...s connector is used to interface with 10BASE5 thick Ethernet coaxial cable 10BASE2 thin Ethernet coaxial cable 10BASE T or 10BASE FL or Fiber Optic Inter repeater Link FOIRL segments with an appropria...

Страница 16: ...r Supply 1 Connect the appropriate end of the power cord to the back of the BOCAHUB 16 Plus marked PWR and insert the remaining end to any conveniently accessible wall outlet Installation Guide Boca s...

Страница 17: ...17 2 Check the front panel LEDs If the power PWR LED is not ON turn to Section Five Troubleshooting Installation...

Страница 18: ...r ports to connect to other hubs or workstations This connection uses an RJ 45 8 pin connector When connecting to workstations a straight through connector is used When connecting to other hubs a cros...

Страница 19: ...19 RJ45 10 pin or 8 pin see Section Four for pinouts Network Configuration...

Страница 20: ...Ethernet network The 10BASE2 connection must be to RG58 A U or C U 50 ohm coaxial cable The ends of the cable segment must have 50 ohm terminators installed Up to 30 connections taps can be made to a...

Страница 21: ...the end of a 10BASE2 Segment 10BASE2 Cable Thin Ethernet BNC T Connector 10BASE2 Cable Thin Ethernet 10BASE2 Cable Thin Ethernet BNC T Connector Connect to coax port on BOCAHUB 16 Plus Connect to coa...

Страница 22: ...h interfaces with a 10BASE5 thick Ethernet network The AUI port is normally used to connect to 10BASE5 but can also be used to interface with other types of networks such as 10BASE2 10BASE T or FOIRL...

Страница 23: ...23 10BASE5 Thick Ethernet Backbone Transceiver AUI cable BOCAHUB 16 PLUS Network Configuration...

Страница 24: ...nt types of topologies can co exist in one network using the BOCAHUB 16 Plus Following are some sample network arrangements using multiple topologies Note When cascading concentrators there should be...

Страница 25: ...25 3 5 SINGLE WORKGROUP CONFIGURATION 10BASE T Segments NOTE File server can plug into any port on the BOCAHUB 16 Plus Network Configuration...

Страница 26: ...26 BOCAHUB 16Plus 3 6 CASCADED NETWORK CONFIGURATION NOTE File server can plug into any port on the BOCAHUB 16 Plus Server Server...

Страница 27: ...27 3 7 CASCADED NETWORK CONFIGURATION USING ROUTERS see your network operating system documentation for information on routers Server Server Network Configuration...

Страница 28: ...D NETWORK CONFIGURATION USING ROUTERS see your network operating system documentation for information on routers Server BACKBONE 10BASE5 10BASE2 50 ohm Terminator 50 ohm Terminator 10BASE2 thin Ethern...

Страница 29: ...29 Server BACKBONE 10BASE5 10BASE2 50 ohm Terminator 10BASE2 thin Ethernet Segment maximum 30 stations 50 ohm Terminator Network Configuration...

Страница 30: ...Thin Thick STP Coaxial Coaxial Type Unshielded 50 ohm 50 ohm Shielded Twisted pair coax coax Twisted pair 22 26 AWG RG58 RG11 0 4 0 6 mm A U or A U or 2 pairs C U C U Male coaxial tap DB 15 with Conne...

Страница 31: ...ins 3 and 6 are for receiving data See chart below RJ 45 Assignment RJ 45 Assignment 1 Tx 1 Rx 2 Tx 2 Rx 3 Rx 3 Tx 6 Rx 6 Tx The and signs are used to represent the polarity of the two wires that make...

Страница 32: ...lify installation when cascading concentrators This switch is labelled X and located on the front of the BOCAHUB 16 Plus below the Boca Research logo When a twisted pair port labelled with an X is con...

Страница 33: ...J 45 Concentrator Device Concentrator Device X 1 Rx 1 Tx 2 Rx 2 Tx 2 Rx 2 Tx 3 Rx 3 Tx 3 Tx 3 Rx 4 Tx 4 Rx 6 Tx 6 Rx 7 Tx 7 Rx 4 5 Crossover Wiring If both ports are labelled X or neither port is labe...

Страница 34: ...LARITY If a receive data pair has the and signals unintentionally reversed the BOCAHUB 16 Plus automatically detects and adjusts this reversal so the data path will function properly 8 pin RJ45 Connec...

Страница 35: ...esting the installation and the diagnosing of problems There are 16 LINK PARTITION LEDs one Power LED one Collision LED one Activity LED one AUI LED and one BNC LED 14 15 16 9 10 BNC 6 8 7 4 5 1 2 3 L...

Страница 36: ...he AUI and BNC port LED is OFF during normal operation the LED will be ON only for PARTITION STATUS no LINK STATUS is used When set to PARTITION the LED will be ON continuously for a given port IF the...

Страница 37: ...lision If this light stays ON toggle the LNK PRT switch to PRT for PARTITION to isolate which device is causing the collision One GREEN activity LED to indicate network activity LED functionality is s...

Страница 38: ...llision has been detected BOCAHUB 16 Plus is receiving data from two or more devices at the same time The BOCAHUB 16 Plus is receiving data from one or more ports The BOCAHUB 16 Plus is not receiving...

Страница 39: ...sure the wall outlet has power Try another AC power adapter that you know works If the Power LED still fails to come ON the BOCAHUB 16 Plus may be faulty Call Technical Support IF THE LINK LEDs DO NO...

Страница 40: ...d pair Connectors 16 10BASE T ports using RJ 45 unshielded twisted pair maximum cable length 328 100m 1 10BASE2 port with BNC connector maximum cable length 600 185m 1 AUI port with DB 15 connector ma...

Страница 41: ...equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of t...

Страница 42: ...bps with settings of N 8 1 If you have a modem the BBS may be helpful especially during off hours if you have a question about product settings or compatibility or if you wish to download driver soft...

Страница 43: ...n the hours of 8 00 a m and 6 30 p m EST Monday through Friday at 407 241 8088 A technical support specialist will be available to discuss the problem s you are experiencing If factory service is requ...

Страница 44: ...ify which parts are defective but will not replace such parts until specific written authorization is received from you The cost of parts and labor involved in making such repairs will be billed to yo...

Страница 45: ...will not be accepted Please use the address below for all correspondence Boca Research Inc RMA Department RMA _________ 1601 Clint Moore Road Boca Raton FL 33487 2841 6 If the repairs performed on you...

Страница 46: ...the returned merchandise Products which require Limited Warranty service during the warranty period should be delivered to BRI at the address in the Appendix Servicing Your Boca Product with proof of...

Страница 47: ...rors or omissions contained in this document The information in this manual is subject to change without notice Revisions to the product s in this manual may occur at any time without notice Trademark...

Страница 48: ...ly designated to send and receive messages AUI Connector Attachment Unit Interface 15 pin D connector for use with external transceivers such as 10BASE5 or fiber optics Backbone Cable on which two or...

Страница 49: ...or non dedicated where user applications can co exist while the network is available Hub A concentrator or repeater in a star topology at which node connections meet Jabber This occurs when there are...

Страница 50: ...ver A computer that provides shared resources such as files and printers to the network Star Topology A network topology in which nodes are connected to a common device such as hub or concentrator T C...

Страница 51: ...s 27 COLLISION 13 Collision Handling 11 Connecting the Power Supply 16 Connecting to Networks 18 Contents of Your Package 16 Crossover Function 32 Crossover RJ 45 Pin Assignments 33 Crossover Wiring 3...

Страница 52: ...rsal 12 34 Power Connector 15 POWER 13 R Rear Panel Connectors 15 Repeater Function 10 Return Merchandise Authorization 43 S Servicing Your Boca Product 42 45 Signal Polarity 34 Signal Regeneration 10...

Страница 53: ...53...

Страница 54: ...54 BOCAHUB 16Plus...

Страница 55: ...55...

Страница 56: ...56 BOCAHUB 16Plus Manual Part 9414 Rev 3 1...

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