Eight Segment Bridge - Transition Networks
Contents
1. RX e eco O O Link TX EIGHT SEGMENT BRIDGE 1 13 SEG MENT 1 RJ 45 STATUS INDICATORS WhenSegment 1 is connected through the RJ 45 connector the Segment 1 status LEDs indicate RJ 45 connection status SEG MENT 2 SEG MENT 6 RJ 45 STATUS INDICATORS When Segment 2 through Segment 6 RJ 45 are connected the Segment status LEDs indicate RJ 45 connection status com SwitchMaster Eight Segment Bridge Fa a Segment 6 eno ee eo ee um eu egment2 Segment3 Segment 4 Power Status RX e coL O O LINK TX LINK TX SwitchM aster SwitchM asterFL 1 INTRODUCTION 1 3 The SwitchMasterFL Eight Segment Bridge The SwitchM asterFL Eight Segment Bridge provides six 6 pairs of fiber transmit TX and receive RX data connectors a DB9 serial port connector LED status indicators and a reset switch Connectors Six 6 sets of fiber TX and RX connectors and a DB9 serial port connector are provided at the front of the SwitchM asterFL Eight Segment Bridge ur SwitchMaster FL xsotz Ta ss ght Segment Bridge Reset o o o ol TTI 600 1 09 100 1 00 1 00 Serial Two additional spaces are provided at the front of the SwitchM asterFL Eight Segment Bridge for installation of2. Source 3 Destination 3 Destination 1 a Destination 2 EIGHT SEGMENT BRIDGE 1 5 Learn Addresses When a data packet is received by the bridge the source identifier and LAN are copied from the packet header and stored in the address cache Then when later packets are received the bridge compares the destination identifier of the received packet with cache addresses Ifa match is found the bridge knows the destination LAN and sends the data packet out only on the known destination LAN A possible sequence of events is 1 Source 1 sends data packet intended for destination 1 Bridge copies data packet 1 with source identifier and LAN into cache then waits Source 2 sends data packet intended for destination 2 Bridge copies data packet 2 with source identifier and LAN into cache then waits Source 3 sends data packet intended for destination 3 Bridge copies data packet 3 with source identifier and LAN into cache then knows destination 3 as source 1 Bridge sends data packet 1 for unknown destination 1 over all LANs except LAN from which data packet 1 was received Bridge sends data packet 2 for unknown destination 2 over all LANs except LAN from which data packet 2 was received Bridge sends data packet 3 for destination 3 also source 1 over destination 3 source 1 LAN 10 Destination 1 receives
3. gom som Serial AUI Segment 1 Segment 2 SwitchM aster SwitchM asterFL 5 MAINTENANCE To assist in SwitchM aster Bridge maintenance this section provides e e SwitchMaster Bridge Fault Isolation Table Directions for enabling SwitchM aster Bridge recovery by resetting the SwitchM aster Bridge Directions for replacing SwitchM aster Bridge fuse Directions for installing field upgrades by downloading software updates or installing X Slot cards NOTE Recovery of a failed SwitchM aster Bridge may require the assistance of TRANSITION Networks Technical Support EIGHT SEGMENT BRIDGE 5 1 5 1 SwitchMaster Bridge Fault Isolation Table Use Table 5 1 for troubleshooting the SwitchM aster Bridge Table 5 1 presents a list of faults and probable causes presented in the order of increasing probability with suggested remedial action To use Table 5 1 locate the problem in the FAULT column In the PRO BABLE CAUSE box next to the fault find one or more probable cause s associated with the fault Examine each probable cause in turn beginning at the top When the probable cause is identified take the associated corrective action in the CORRECTIVE ACTION column FAULT PRO BABLE CAU SE UnitPOWER LED not illuminated Link LED not illuminated on 10BaseT port Disconnected power cord Improperly installed fuse Fuse failure Power supply failure Di
4. EIGHT SEGMENT BRIDGE 1 3 According to the IEEE 802 1d specification bridges must Store and Forward Store and Forward Learn Addresses Age Addresses Participate in Spanning Tree A data packet sent out on a LAN s received by the bridge which stores the data packet exactly as received Later when there is no traffic on the LAN the bridge sends the data packet out either on the destination LAN or on all LANs other than the LAN on which the data packet was received A possible sequence of events is 1 Source 1 sends data packet intended for destination 1 Bridge copies data packet 1 and waits Source 2 sends data packet intended for destination 2 Bridge copies data packet 2 and waits Source 3 sends data packet intended for destination 3 on same LAN Destination 3 receives data packet 3 Bridge discards filters data packet 3 Bridge sends data packet 1 for unknown destination 1 over all LANs except LAN from which data packet was received Bridge sends data packet 2 for unknown destination 2 over all LANs except LAN from which data packet 2 was received 10 Destination 1 receives data packet 1 11 Destination 2 receives data packet 2 1 4 SwitchM aster SwitchM asterFL 1 INTRODUCTION Source 1 Source 2 Bridge Packet 1 Packet 1 4
5. 6000 Flash Test Serial Port Test Dynamic RAM Test Dynamic RAM Test Static RAM Test Static RAM Test Dual Port Test Dual Port Test Ethernet Port 1 Test EIGHT SEGMENT BRIDGE 4 3 MODE Ethernet Port 2 Test 06000 COSO Ethernet Port 3 Test 0000 DOO Ethernet Port 4 Test 00090 CHO OO Ethernet Port 5 Test 0000 0000 Ethernet Port 6 Test 00090 OOOO Ethernet Port 7 Test 0000 DOO Ethernet Port 8 Test 00090 Phase 1 Software Loading SwitchM aster Bridge phase 1 operation loads configuration software The default is loading configuration software from the SwitchM aster EEPROM Optionally during phase 1 operation configuration software can be loaded from a network server using the bootp function During power on at some pointin the reset the top row of Status LEDs flashes continuously while the bottom row of Status LEDs are steadily illuminated indicating that the SwitchM aster Bridge software can be interrupted by an optional user input During this period at the attached terminal press the space bar to load the configuration software from the attached terminal or other network server Phase 2 Normal O peration SwitchM aster Bridge phase 2 operation is the normal operating mode During phase 2 operation configuration software can be displayed and or modified at an attached ASCII terminal 4 4 SwitchM aster SwitchM asterFL 4 OPERATION Monitoring Segm
6. X Slot cards NOTE A power connector is provided at the back of the SwitchM asterFL Bridge Switches The reset switch reinitializes the SwitchM asterFL Eight Segment Bridge aus SwitchMaster FL xSot2 xe a Eight Segment Bridge mS ee 0090 ae RK TX dea A A Segment1 RX TX re RX TX DO tre 200 1500 a Segment2 x Segment3 6 RR 200 i 06 szamar t w Segment5 Serial Reset EIG HT SEG MENT BRIDGE 1 15 Indicators SWITCHMASTER POWER INDICATOR When the SwitchM asterFL Eight Segment Bridge is powered the Power indicator is illuminated uo SwitchMaster FL ie xSot1 Eight Segment Bridge ARIA y stir ojo Sale Serial Rk X 200 Segment 1 00 Segment 1 me RX TX RX TX 1 00 0 00 00 33 Segment3 Segment 4 SWITCHMASTER STATUS INDICATORS When the SwitchM asterFL Eight Segment Bridge is functioning normally the eight Status indicators cycle in a steady roll 0000 0000 Status Pa R K m RX X n X K m RX m RX uno noo 5 00 1 00 i 00 1 00 00 Serial x Segment 1 nt 2 Segment Segment 4 Segment 5 Segment 6 NOTE During power on the eight Status indicators cycle through a predefined diagnostic pattern SEG MENT 1 SEG MENT 6 STATUS INDICATORS When Segmen
7. 12 Installing X Slot Card in SwitchMaster Bridge 5 15 Appendix A Technical Specifications 0ccccceeeeeeeeeeeaneees A 1 Appendix B Cable Specifications 0oocoooooooo nenn nn nenn B 1 Appendix C Segment Distance 0c c cece eee eee ees C 1 Appendix D Approved European Power Cord Set 0oocooooooco o o D 1 Appendix E Policy and Procedure iii E 1 SwitchM aster SwitchM asterFL Preface This guide is intended for the system or network administrator responsible for installing configuring using and maintaining a Transition N etworks SwitchM aster Eight Segment Bridge A working knowledge of local area network LAN operations including familiarity with communications protocols used on interconnected LANs is assumed EIGHT SEGMENT BRIDGE 1 INTRODUCTION The SwitchM aster Eight Segment Bridge is a multi segment Ethernet bridge that provides six RJ 45 ports with one alternate AUI connector with installation space fortwo additional X Slot multi media connections sen SwitchMaster xSot2 ian Eight Segment Bridge EEE ceeds tye JS fcc JB JS IBA L Sete L AUI Segment 1 segment 2 Segment3 Segment 4 Segment 5 Segment 6 The SwitchM asterFL Eight Segment Bridge is a multi segment Ethernet bridge that provides six 6 pairs of fiber transmit TX and receive RX data connecto
8. Jack Pin Assignments RJ 45 Plug Pin Assignments RJ 45 Jack Straight Through Cable at RJ 45 Plug Switch Terminal RJ 45 Male RJ 45 Male ta a its va 1 Dic ati e TE E 2 A NN 3 Da waa Aa 6 Crossover Cable at RJ 45 Plug Switch to Switch Terminal to Terminal RJ 45 Male RJ 45 Male Do fect Atle LARA aa 3 DN Ge e A Dion 6 O ahead Stacy EE te 1 0 och anche apse an A cheek le 2 To connect RJ 45 port 1 Locate correct cable with male RJ 45 connector at both ends 2 Attach male RJ 45 cable connector to female RJ 45 port on SwitchM aster Bridge 3 Attach other male RJ 45 cable connector to female RJ 45 port on terminal hub or other SwitchM aster Bridge EIGHT SEGMENT BRIDGE 3 5 Connecting to Network through AUI The AUI is connected to a transceiver which is connected to the network The AU port on Segment 1 and or on the optional Full Duplex Ethernet X Slot card is always enabled NOTE On the Segment 1 connection and also on the Full Duplex Ethernet X Slot Card only one LAN port EITHER the AUI port OR the RJ 45 can be used When connecting a transceiver to the SwitchM aster Bridge the transceiver must be configured as when connecting to a hub or to a repeater with SQE OFF 3 6 SwitchM aster SwitchM asterFL 3 INSTALLATION 3 4 Connecting to Power To connect the SwitchM aster Bridge to power 1 AtSwitchMaster Bridge back locate the power receptacle and
9. are connected the Segment status LED s indicate RJ 45 connection status vom SwitchMaster xsir2 eg Eight Segment Bridge mi E JEL JE ES li m pen Segment2 Segment3 Segment4 gen Segment 6 Serial RX 0 coL O O Link TX RX ee coL O LINK TX When a SwitchMaster RJ 45 is actively connected to normal mode Ethernet the Segment RJ 45 LEDs indicate the following TX illuminated during TRANSMIT Rx illuminated during RECEIVE COL illuminated during COLLISION LINK illuminated when LINK connection is active When a SwitchM aster RJ 45 is actively connected to full duplex Ethernet the Segment RJ 45 LEDs indicate the following TX illuminated during TRANSMIT Rx illuminated during RECEIVE COL NOT ILLUMINATED disabled LINK illuminated when LINK connection is active 4 6 SwitchM aster SwitchM asterFL 4 OPERATION Monitoring X Slot Card Status Indicators Full Duplex Ethernet The Full Duplex Ethernet X Slot Card Status indicators are the same as Segment 1 Status indicators When a SwitchMaster AU I is actively connected to normal mode half duplex Ethernet the Segment LEDs indicate the following AUI conditions Tx illuminated during TRAN SM IT Rx illuminated during RECEIVE COL illuminated during COLLISION LINK NOT ILLUMINATED disabled When a SwitchM aster AU I is actively connect
10. associated fuse CAUTION Fuse must be installed at correct setting for power source voltage before connecting to AC voltage Failure to observe this caution could result in equipment damage 2 Verify that the fuse is installed at the correct setting for power source voltage NOTE Installed fuse rating orientation is indicated by reading in lower right corner of fuse holder 110 120 Orientation 220 240 Orientation A 062 022 A 071 011 110 120 220 240 Fuse Holder Fuse Holder If not installed at correct setting e Carefully open fuse receptacle using small flat blade screwdriver e Rotate fuse 1802 to correct rating orientation e Install fuse holder in correct rating orientation e Close fuse receptacle 3 Plug female unit end of power cord into SwitchM aster Bridge power receptacle 4 Plug male outlet end of power cord into correct voltage AC wall socket 5 AtSwitchMaster Bridge front verify that the POWER LED is illuminated W hen the SwitchM aster Bridge is powered Status LEDs at the SwitchM aster Bridge front cycle during internal SwitchM aster Bridge diagnostic testing The Status LEDs cycle in a steady roll when the SwitchM aster Bridge is fully operational EIGHT SEGMENT BRIDGE 3 7 4 OPERATION Operating the SwitchM aster Eight Segment Bridge may require e PowerOn Power Off e Monitoring SwitchM aster Bridge O peration 4 1 Power On Power O ff The SwitchM aste
11. cover EIGHT SEGMENT BRIDGE 5 11 APPENDIX Appendix A Technical Specifications Network Standards Ethernet IEEE 802 3 10BaseT 10Base2 10BaseFL and 10Base5 Cable Type 22 24 or 26 AWG twisted shielded pair cable level 3 or higher Universal Power Supply Input Range AC Input TE PN 3344 3344 3347 3348 3349 O perating Environment Temperature Humidity Altitude Dimensions Height 1 625 4cm Requirement 120 volts 60 hertz 100 volts 50 60 hertz 230 volts 50 hertz 240 volts 50 hertz 240 volts 50 hertz 32 to 122 F 0 to 50 C 10 to 90 non condensing 0 to 10 000 feet Width 19 48cm 85 to 265 VAC at 47 to 63 Hz Rated at 40 watts maximum Location U SA Canada M exico Japan Europe Australia United Kingdom Depth 8 20cm EIGHT SEGMENT BRIDGE A 1 APPENDIX Appendix B Cable Specifications A Null Modem Cable Specifications The table below shows the pin assignments for the DB9 cable Function Mnemonic Carrier Detect CD Receive Data RXD Transmit D ata TXD Data Terminal Ready DTR Signal Ground GND Data Set Ready DSR Request To Send RTS Clear To Send CTS Ring Indicator RI 25 Pin RS 2352 Null Modem Cable Chassis Ground 1 1 Chassis Ground Transmit Data 2 3 Receive Data Receive Data 3 2 Transmit Data Request To Send 4 7 C 4 Request To Send Clear To Send 5 5 Clear To Send Data Set Ready 6 20 Data Terminal Ready Carrier Detect
12. data packet 1 11 Destination 2 receives data packet 2 12 Destination 3 receives data packet 3 1 6 SwitchM aster SwitchM asterFL 1 INTRODUCTION D Source 1 Destination 2 Source 2 G Bridge Packet 1 Packet 1 4 Address Cache source source source source source Source 3 Destination 1 a Destination 2 EIGHT SEGMENT BRIDGE 1 7 Age Addresses When a data source identifier is copied from a packet header into the address cache the bridge compares the destination identifier of the received packet with cache addresses If a match is found the bridge knows the destination LAN and sends the data packet only on the known destination LAN LANs which neither send nor receive data packets for a defined period of time are aged or eliminated from cache memory A possible sequence of events as shown is Li Source 1 sends data packet intended for destination 1 Bridge copies data packet 1 with source identifier and LAN into cache Bridge deletes oldest source identifier 2 and LAN from cache then waits Source 2 sends data packet intended for destination 2 Bridge copies data packet 2 with newest so
13. 5 J 6 Data Set Ready Data Terminal Ready 20 5 Carrier Detect Signal Ground yoo 7 Signal Ground B 10Base5 Cable Specifications The AUI cable must be IEEE approved Attach one end of the cable to a DTE port and the other end to a DCE port or transceiver Note The total length of a cable segment must be less than 50 meters 150 feet C 10BaseFL Cable Specifications The IEEE 802 3 standard for fiber optic segments are listed below e 62 5 125um multimode fiber recommended e 100 140 um multimode fiber 85 um multimode fiber e 50 125 um multimode fiber EIGHT SEGMENT BRIDGE B 1 D 10BaseT Cable Specifications The following describes the specifications when twisted pair is used Either shielded or unshielded twisted pair can be used The physical characteristics must meet or exceed those set forth by the IEEE 802 3 10BaseT specifications Generally Level 3 wire or bet ter is recommended The cable must have a minimum of 2 pairs of twisted 26 to 22 AWG wire Note Do not use flat or silver satin wire Gauge 26 to 22 AWG Attenuation Less than 11 5 dB 5 10 MHz Differential Characteristic 85 110 Q E 10 MHz Impedance Maximum Distance 100 Meters 330 Feet E RJ 45 Pin Specifications Individual wires that make up a straight through twisted pair modular cable are shown below Each pair has designated pin connections on an RJ 45 modular connector There are only two active pairs in a 10BaseT network p
14. FL 1 INTRODUCTION Indicators SWITCHMASTER POWER INDICATOR When the SwitchM aster Eight Segment Bridge is powered the Power indicator is illuminated TRAN on SwitchMaster xsiot2 XSlott en Eight Segment Bridge e gid sat T DIS u gen gem q saor oe LINK Keim Status Serial l AUI Segment 1 Segment2 Segment3 Segment4 Segment5 Segment6 SWITCH MASTER STATUS INDICATO RS When the SwitchM aster Eight Segment Bridge is functioning normally the eight Status indicators cycle in a steady roll SwitchMaster xa xs 7 Eight Segment Bridge E fa S e e een eco eoo deco SS J eou eoum sem eu vom qe um Serial AUI Segment 1 Segment2 Segment3 Segment4 Segments Segment 6 NOTE During power on the eight Status indicators cycle through a predefined diagnostic pattern SEG MENT 1 AUI STATUS INDICATORS WhenSegment 1 is connected through the AUI connector the Segment 1 status LEDs indicate AU I network activity TRAN a SwitchMaster XSlot2 Xiot1 networks Eight Segment Bridge y id Reset 0000 E 6 Sl Soco Peco Seca deco Seco Ceca o coos UF Su A gem seu ou 90 so gen Status Pont Serial AUI ry Sedp Segment2 Segment3 Segment4 Segment 5 Segment 6
15. LOYEES AGENTS OR REPRESENTATIVES B Limitations and Exclusions If the customer believes any goods sold by TN are defective and within the warranty period the fol lowing general procedure will be followed 1 Locate the serial number and delivery date of the item s 2 Notify TN within the warranty period 3 TN will promptly issue a return authorization form for the goods 4 Upon receiving the form the customer will promptly return the item s at customers own expense shipped prepaid to the distributor from which it was purchased or directly to TN TN will only accept goods for return if the following conditions have been met 1 A return form is obtained from TN 2 The freight charges have been prepaid by the customer 3 Goods are re packed in their original packaging If under warranty TN shall at its option 1 repair the goods free of charge 2 replace the goods free of charge or 3 accept the return of the item s and credit the current price to the reseller within 90 days of purchase or 4 if the goods are not under warranty will repair the item s at a minimum charge of USD 200 two hundred U S dollars per item THIS IS THE EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY IN NO EVENT SHALL TRANSITION NETWORKS BE LIABLE FOR SPECIAL INDIRECT INCIDENTAL OR CONSEQUEN TIAL DAMAGES OF ANY KIND WHETHER FOR BREACH OF ANY CONDITION OF SALE FOR NEGLIGENCE ON THE BASIS OF STRICT LIABILITY CONTRACT OR OTHERWISE AND IRRE S
16. PECTIVE OF WHETHER TN ISINFORMED BY CUSTOMER OF THE POSSIBILITY OF SUCH DAMAGES IN ADVANCE OF THIS SALE EIGHT SEGMENT BRIDGE E 1 The sole purpose of this remedy shall be provided the customer with the replacement or repair of non conforming goods in the manner described in this W arranty statement This exclusive remedy shall not be deemed to have failed of its essential purpose so long as TN is willing and able to repair or replace the defective item s or refund the purchase price TN reserves the right to inspect products claimed to be defective under warranty either at the cus tomer s location or at TN s plant TN assumes no liability for liability charges incidental to the adjustment service repairing removal or replacement of the product or other costs or the expense of repairs made outside of its factory except when made with TN ss prior written consent Additionally Transition Networks reserves the right to charge for all testing and shipping incurred if after testing a return is classified as No Problem Found TN s total liability in connection with the products and their installation to all persons and from all causes in the aggregate whether in contract tort or strict liability shall not exceed the amount paid to TN for the product directly related to the alleged damage However in no event shall TN have any liability to a customer or any third party for products manufactures according to the cus tomer s speci
17. STATIC Bridge Status LED displays whether illuminated or not illuminated indicate critical SwitchM aster Bridge error for which Transition Engineering Technical Support should be contacted At power on or reset the SwitchM aster Eight Segment Bridge cycles through three distinct operational phases The operational phase and the transitions between operational phases are monitored by the Bridge Status LEDs Patterns observable in the Bridge Status LEDs include Power on diagnostic test patterns phase 0 Software loading pattern phase 1 Operation pattern phase 2 Phase Transitions The SwitchM aster Bridge Status LEDs flash for twenty seconds indicating transition from phase 0 to phase 1 and then from phase 1 to phase 2 4 2 SwitchM aster SwitchM asterFL 4 OPERATION Phase 0 Power On Diagnostic Tests At power on the Status LEDs cycle through diagnostic test patterns as internal SwitchM aster Bridge software tests Flash serial port dynamic RAM static RAM dual port memory and each of the Ethernet ports During each of the diagnostic tests the four Bridge Status LEDs at the top of the Status LEDs cycle in a steady right to left pattern to indicate test progress The pattern of the four LEDs at the bottom of the Status LEDs indicates the hardware being tested 0000 0000 0000 090000 0000 00600 0000 00600 0000 006000 0000 06000 0000 0000 0000 00090 0000
18. SwitchM aster or SwitchM asterFL Eight Segment Bridge MSB E6 X2 or MSB EFL6 X2 7341 D For assistance in installing using or maintaining the TRANSITION Networks SwitchM aster Eight Segment Bridge contact TRANSITION Networks Technical Support at 800 260 1312 or contact your local distributor CAUTION RJ connectors are NOT INTENDED FOR CONNECTION TO THE PUBLIC TELEPHONE NETWORK Failure to observe this caution could result in damage to the public telephone network Der Anschluss dieses Ger tes an ein offentlickes Telekommunikationsnetz in den EG Mitgliedstaaten verst sst gegen die jeweligen einzelstaatlichen Gesetze zur Anwendung der Richtlinie 91 263 EWG zur Angleichung der Rechtsvorschriften der Mitgliedstaaten ber Telekommunikationsendeinrichtungen einschliesslich der gegenseitigen Anerkennung ihrer Konformitat Compliance Information UL Listed C UL Listed Canada CISPR EN 55022 Class A FCC Regulations This equipment has been tested and found to comply with the limits for a class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this
19. and to learn new addresses Contact TN Technical Support 1 800 260 1312 Table 5 1 Fault Isolation in the SwitchM aster Bridge NOTE The DB9 serial port on the SwitchM aster Bridge is a DTE device If the DB9 serial port cable will be attached directly between two DTE devices use a null modem cable If the cable will be attached to a 9600 baud modem use a straight through DB9 cable See Appendix B EIGHT SEGMENT BRIDGE 5 3 5 2 SwitchMaster Bridge Recovery Procedures Recovery procedures for the SwitchM aster Bridge include e Resetting the SwitchM aster Bridge e Verifying and optionally modifying Bridge Port Settings Resetting the SwitchMaster Bridge At power on or reset the Status LEDs cycle through diagnostic test patterns as internal SwitchM aster Bridge software tests Flash serial port dynamic RAM static RAM dual port memory and each of the Ethernet ports After the diagnostic test patterns the Status LEDs display a pattern in which four LEDs remain illuminated while four LEDs flash continuously to indicate that the SwitchM aster Bridge is waiting for optional user interrupt Then the Status LEDs cycle in a steady roll to indicate that the SwitchM aster Bridge is fully operational Reset the SwitchM aster Bridge in any of the following ways e Press the reset button on the SwitchMaster Bridge usero N SwitchMaster xsiot2 Eight Segment Bridge isd 3 d
20. ansmitter to dynamically identify one root bridge for each network and one designated LAN bridge for each LAN on the network EIGHT SEGMENT BRIDGE 1 11 1 2 The SwitchMaster Eight Segment Bridge The SwitchM aster Eight Segment Bridge provides six RJ 45 port connectors with one alternate AU I connector a DB9 serial port connector LED status indicators and a reset switch Connectors Six 6 RJ 45 connectors a DB9 serial port connector and an AUI port connector are provided at the front of the SwitchM aster Eight Segment Bridge TRAN X Slot 2 XSlot1 un e un ent4 Segment 5 Segment 6 Roset une 3 S a Seca deco Solo e eee ak al LI LNK eeuk eeu x s nus rial noc Segment2 Segment3 Sel Serial Two additional spaces are provided at the front of the SwitchM aster Eight Segment Bridge for installation of X Slot cards NOTE A power connector is provided at the back of the SwitchM aster Bridge Switches The reset switch reinitializes the SwitchM aster Eight Segment Bridge TRAN oa SwitchMaster XSiot2 XSlot 1 Segment 6 RE JEE JESL JES wi wi e om AUI Segment 1 Segment2 Segment3 Segment4 Segment 5 SwitchM aster SwitchM aster
21. d connectors Connecting to 10BaseT at RJ 45 Connectors CAUTION The RJ 45 connectors on the SwitchMaster Bridge are NOT INTENDED FOR CONNECTION TO THE PUBLIC TELEPHONE NETWORK Failure to observe this caution could result in damage to the public telephone network 10BaseT Cable Configurations Identify the 10BaseT network cabling requirements before connecting the cables 10BaseT cables for the SwitchMaster Bridge to terminal must be configured as straight through 10BaseT cables for the SwitchM aster Bridge to switch or hub must be configured as crossover Ethernet Network Transceiver 9 ox a sa Js DO 0 0 DI Bl Crossover Cable Crossover Cable Straight Through Cable Crossover Cable Crossover Cable Hub a Hub Hub Hub Hub IT i ll Hub al nni Cable Straight Through Cable a na IL 1 3 4 SwitchM aster SwitchM asterFL 3 INSTALLATION Straight Through Crossover Pin Specifications Straight through and crossover configurations are made at the RJ 45 connector The two active pairs in a 10BaseT network are pins 1 amp 2 and pins 3 6 Use only dedicated wire pairs such as blue white amp white blue orange white white orange for the active pins 123456 78 i i Nip RJ 45
22. e SwitchM aster Bridge e Unpack the SwitchM aster Bridge e Install in rack or on table e Connect to network e Connect to power Direction is provided in the pages that follow 3 1 Unpacking the SwitchMaster Bridge Use the following packing contents lists to verify the shipment Item Part Number SwitchM aster Bridge M SB E6 X2 or M SB E6 E2 Power Cord 3344 3347 3348 3349 or 3523 depending upon power configuration in country where installed User s Guide 7341 Additionally the SwitchM aster Bridge packing contents may include the following Item Part Number Full Duplex Ethernet X Slot Card FDE XSLOT 100BaseTX X Slot Card 100BTX XSLOT EIGHT SEGMENT BRIDGE 3 1 3 2 Installing in Rack or on Table Depending upon site conditions the SwitchM aster Bridge can be installed in a standard 19 inch rack or on an open shelf or table Standard 19 Inch Rack Installation NOTE SwitchM aster Bridges are shipped with attached brackets for standard 19 inch rack installation Rackmount screws and clip nuts are NOT provided with the SwitchM aster Bridges To install the SwitchM aster Bridge in a standard 19 inch rack 1 Locate four 4 screws and clip nuts if necessary for each SwitchM aster Bridge to be installed 2 Carefully align the SwitchM aster Bridge between the 19 inch rack mounting rails at the installation position 3 Install two screws through right front bracket and
23. e a copy of the original invoice or packing list if possible to expedite processing e Only the customer end user may send the items s to TN e TN will contact the customer after the item s have been received inspected and a cost esti mate of the repair determined e The repair charges may be billed with customer s approval though the distributor or on a prepaid or C O D basis directly to the customer The charges will include the cost of ship ping The return authorization numbers are valid only for 90 days from the date issued e e e e e e E 2 SwitchM aster SwitchM asterFL
24. ed to full duplex Ethernet the Segment AUI LEDs indicate the following TX illuminated during TRANSMIT Rx NOT ILLUMINATED disabled COL NOT ILLUMINATED disabled LINK NOT ILLUMINATED disabled NOTE When neither the AUI port nor the RJ 45 port is used the Segment 1 LEDs indicate the following TX illuminated during any network activity Rx NOT ILLUMINATED disabled COL NOT ILLUMINATED disabled LINK NOT ILLUMINATED disabled RX 0090000 o D O coL i II ae O LINK hey TX AUI sa SwitchMaster Eight Segment Bridge p CSS Sco Bel Bel sc IREL AUI Segment 1 Segment 2 Segment 3 Segment4 Segment 5 Segment 6 EIGHT SEGMENT BRIDGE 4 7 Monitoring X Slot Card Status Indicators continued 100BaseTX Ethernet When a SwitchM aster 100BaseT X Slot card is installed at either of the two X Slot locations the Segment LEDs indicate the following conditions TX illuminated during TRANSMIT Rx illuminated during RECEIVE LINK illuminated when connection over 100BaseT media is good RX e coL LINK TX AUI om SwitchMaster Eight Segment Bridge X Slot 1 SL JS ES Segment3 Segment4 Segments Segment6 st eses OO ee tea Seco s o bl
25. ent Status LED s SEGMENT 1 AUI STATUSINDICATO RS W henSegment 1 is connected through the AUI connector the Segment 1 status LEDs indicate AU I network activity a SwitchMaster Eight Segment Bridge qe ge o i qe 11 Serial Segment 2 Segment 3 Segment4 Segment5 Segment6 RX e coL O LINK TX When a SwitchMaster AU I is actively connected to normal mode half duplex Ethernet the Segment LEDs indicate the following AUI conditions TX illuminated during TRAN SMIT Rx illuminated during RECEIVE COL illuminated during COLLISION LINK NOT ILLUMINATED disabled When a SwitchM aster AUI is actively connected to full duplex Ethernet the Segment AUI LEDs indicate the following TX illuminated during TRANSMIT Rx NOT ILLUMINATED disabled COL NOT ILLUMINATED disabled LINK NOT ILLUMINATED disabled NOTE When neither the Segment 1AUI port nor the Segment 1 RJ 45 port is used the Segment 1 LEDs indicate the following TX illuminated during any network activity Rx NOT ILLUMINATED disabled COL NOT ILLUMINATED disabled LINK NOT ILLUMINATED disabled EIGHT SEGMENT BRIDGE 4 5 SEG MENT 1 RJ 45 STATUS INDICATORS W henSegment 1 is connected through the RJ 45 connector the Segment 1 status LEDs indicate RJ 45 connection status SEG MENT 2 SEG MENT 6 RJ 45 STATUS INDICATORS When Segment 2 through Segment 6 RJ 45
26. equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at the user s own expense Canadian Regulations This digital apparatus does not exceed the Class A limits for radio noise for digital apparatus set out on the radio interference regulations of the Canadian Department of Communications European Regulations Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Copyright Restrictions 1995 1997 TRANSITION Networks All rights reserved No part of this work may be reproduced or used in any form or by any means graphic electronic or mechanical without written permission from TRANSITION Networks Trademark Notice All registered trademarks and trademarks are the property of their respective owners Table of Contents PrefaCe socias a a Lara ne iii 1 INTRODUCTION ri i rr 1 1 1 1 About Bridges ie niai a a sale eee eee a E a S 1 2 Store and Forward iea ne a k k ete 1 4 Learn Addresses ti za ara ars 1 6 Age Addresses ici ae ee ai 1 8 Participate in Spanning Tree 1 10 1 2 The SwitchMaster Eight Segment Bridge 0 0 1 12 1 3 SwitchM asterFL Eight Segment Bridges 0000o 00 0 0 1 16 1 3 SwitchMaster Bridge X Slot CardS 00oooooocoommmms 1 18 Full Duplex Ethernet X S
27. es ia ca 2 t 2 euk LA eun oe LINK euk oe unk som 7 aul Segment 1 Segment2 segment 3 Segment 4 Segment 5 Segment e Disconnect then reconnect power cord to the SwitchM aster Bridge 5 4 SwitchM aster SwitchM asterFL 5 MAINTENANCE 5 3 Replacement Procedures WARNING SwitchMaster Units contain no user serviceable parts Except for the installation or replacement of X Slot Cards DO NOT UNDER ANY CIRCUMSTANCES open and attempt to repair SwitchMaster equipment Failure to observe this warning could result in electrical shock and personal injury NOTE Failure to observe the above warning will immediately void any warranty Replacing SwitchMaster Bridge Fuses To replace a SwitchMaster Unit fuse 1 Disconnect outlet end of power cord from AC wall socket 2 Disconnect the power cord from the SwitchM aster Unit power receptacle 3 Carefully open fuse receptacle using small flat blade screwdriver CAUTION Replace fuse only with same size and rating Failure to observe this caution could result in equipment damage NOTE Installed fuse rating orientation is indicated by reading in lower right corner of fuse holder 110 120 Orientation 220 240 Orientation A 062 022 A 021 011 110 120 220 240 Fuse Holder Fuse Holder 4 Install replacement fuse holder in correct rating orientatio
28. fications C Return Procedure The customer must follow this procedure for the return of defective items 1 Locate the serial number s of the item s to be returned 2 Determine the date the item s was received 3 Contact Transition N etworks Technical Support to determine if the problem can be corrected on site If not and the product is covered by warranty then Call the distributor directly or contact TN Request a Return Material Authorization RMA Ship the item prepaid in original packaging to Transition Networks at the above address Include the RMA number on the outside of the carton and or on the Packing List Include a copy of the RMA form Include a copy of the original invoice or packing list if possible to expedite processing The item s may be shipped by the customer or the distributor Transition Networks will repair or replace the unit at TN s discretion and cover the cost of the return freight to the distributor or to the customer whichever requested the RMA number If the item s was received more than five years ago or if the item s is no longer covered by war ranty for other reasons then e Call the distributor or contact TN Request a Material Repair Authorization number M RA e Ship the item s prepaid in the original packaging to Transition Networks at the above address Include the MRA number on the outside of the carton add or on the Packing List Include a copy of the MRA form e Includ
29. gment 2 Segment3 Segment4 Segment5 Segment 6 Power To ASCII Terminal values baud 9600 stop bits 1 data bits 8 parity NONE Using methods appropriate to the attached PC and terminal verify that the serial port parameters of the attached terminal match the SwitchM aster Bridge port parameter values If necessary modify the attached terminal port parameter values and reset the SwitchM aster Bridge See 5 2 1 SwitchM aster SwitchM asterFL 5 MAINTENANCE Bringing Up the SwitchM aster Bridge Download Software To bring up the SwitchM aster Bridge download software 1 Use a small screwdriver bent paper clip or other small device to reset the SwitchM aster Bridge by depressing the internal reset switch A SwitchMaster xsm2 x Eight Segment Bridge Tsz IR Hz mi mi wi F 1 Segment 2 Segment3 Segment4 Segment5 Segment6 The Status Indicators cycle through initial diagnostic patterns then the upper four status LEDs flash continuously to indicate that the SwitchM aster Bridge software is ready to accept user input 2 While the upper Status LEDs are flashing continuously at the attached ASCII terminal press the lt space gt key The X MODEM FILEDOWNLOAD MENU comes up NOTE If there is no keyboard entry wh
30. ile the upper Status LEDs are yor Transition Engineering Inc c 1994 1995 SwitchMaster 8 Port Switching System Console Port Activated X MODEM FILE DOWNLOAD MENU gt Continue Bootup Process gt Change BAUD rate gt Standby For a Modem Connection Download BOOTP code using XMODEM CRC gt Download BOOTP code using XMODEM gt Download TE OS code using XMODEM CRC gt Download TE OS code using XMODEM gt Reset SwitchMaster YHDOBWNE OO II II Vv ENTER CMD gt e flashing continuously the SwitchM aster Bridge continues onto normal Phase 2 operation EIGHT SEGMENT BRIDGE 5 7 Transferring TE O S bin software To transfer the TE O S bin software 1 Load the TRANSITION Networks software update disk into the ASCII terminal PC Using methods appropriate to the attached terminal download the bootp bin code from the TRANSITION Networks software update into the reserved SwitchM aster Bridge memory Atthe X MODEM FILEDOWNLOAD MENU display on the attached ASCII terminal depending upon the protocols installed on the terminal ASCII terminal PC select one of the menu options 5 Download TE OS code using X_MODEM CRC 6 Download TE OS code using X_MODEM by typing and entering the number 5 or the number 6 The SwitchM aster Bridge reserves memory for downloading the update software Using methods appropriate to the attached terminal d
31. ins 1 amp 2 and 3 amp 6 Use only dedicated wire pairs such as blue white white blue orange white white orange etc Hub Terminal RJ 45 Male RJ 45 Male A eae eer eztet 1 20 2 3 3 6 ee eee eee 6 The following are the pins for a crossover cable to cascade hubs or connect transceiver to transceiver Hub to Hub Terminal to Terminal RJ 45 Male RJ 45 Male l 3 Zo 6 Ar 1 6 2 F 10Base2 Cable Specifications The IEEE 802 3 standard for a thin coax segment is listed below e Maximum distance of 185 meters 610 feet at 50 ohms SwitchM aster SwitchM asterFL APPENDIX Appendix C Segment Distance The IEEE 802 3 CSMA CD specification has defined standards which are differentiated by the oper ating link the type of signaling the type of media and distances supported The following chart highlights the characteristics of the major standards 10BaseT 10Base2 10Base5 FOIRL 10BaseFB 10BaseFL 10BaseFP O perating rate 10 10 10 10 10 10 10 Mbps Signaling baseband baseband baseband baseband baseband baseband baseband Max Segment 100 185 500 1000 2000 2000 500 Length M eters 328 ft 607 ft 1640 ft 3280 ft 6560 ft 6560 ft 1640 ft MAU s 2 30 100 2 2 2 2 Segment Medium unshielded 50 ohm 50 ohm fiber fiber fiber fiber twisted pair coaxial coaxial optic optic optic optic thinnet thicknet Topology star bus bus star star
32. lot Card 1 18 100BaseT X Slot Card 1 19 2 SITE PLANNING cece eee eee eee eee eens 2 1 2 1 Site Considerati0NS 00oooocoocoornra 2 1 2 2 Ethernet Network Considerati0NS 00ocococcoococc ra 2 1 3 INSTALLATION 2 cece cece cece eee eee eens 3 1 3 1 Unpacking the SwitchMaster Bridge 000oooooooommomo 3 1 3 2 Installing in Rack or on Table Liri 3 2 Standard 19 Inch Rack Installation 3 2 Table Top Installation 3 3 3 3 Connecting to Network occoococcccoccca nun nun 3 4 Connecting to 10BaseT at RJ 45 Connectors 3 4 Optionally Connecting the AUI LL 3 6 3 4 Connecting to Power ccc cece cece eee eee nennen nenn 3 7 4 OPERATION eect a eee eee eee 4 1 4 1 Power On Power Off ccc cece eee o 4 1 4 2 Monitoring SwitchMaster Bridge Operation 0 4 2 Monitoring Bridge Status LEDs during Operation 4 2 Monitoring Segment Status LEDS 0 0 00 cece eae 4 5 5 MAINTENANCE cece cece e cece eens 5 1 EIGHT SEGMENT BRIDGE 5 1 SwitchMaster BridgeFault Isolation Table 0 00 0 01 5 2 5 2 Recovery Procedures orriren rr 5 4 5 3 SwitchMaster Bridge Replacement Procedures 5 11 Replacing SwitchM aster Bridge FUSES o o o ooo 5 11 5 4 SwitchMaster Field Upgrades 0ocoocoococcncn or 5 12 Downloading Updated Software o oo o ooooooooo 5
33. n 5 Close fuse receptacle 6 Connect power cord to SwitchM aster Unit power receptacle 7 Connect outlet end of the power cord to the AC wall socket 8 Verify that POWER LED at the front of the SwitchM aster Unit is illuminated EIGHT SEGMENT BRIDGE 5 5 5 4 SwitchMaster Bridge Field U pgrades SwitchM aster Bridge field upgrades include Software Upgrades Downloading U pdated Software To download updated software e Connect SwitchM aster Bridge to PC with ASCII terminal Bring up the SwitchM aster Bridge download software e Transfer TE O S bin files Connecting to PC with ASCII Terminal NOTE The DB9 serial port on the SwitchM aster is a DTE device If the DB9 serial port cable will be attached directly between two DTE devices use a null modem cable If the cable will be attached to a 9600 baud modem use a straight through D B9 cable To connect to PC with ASCII terminal 1 Locate the correct DB9 serial port cable with female DB9 connector 2 Attach the DB9 serial port female cable connector to the male DB9 serial port connector on the SwitchM aster 3 Attach the other end of the DB9 serial port cable directly or indirectly through a modem to an ASCII terminal or terminal emulator NOTE The SwitchM aster is shipped with standard serial port parameter vo SwitchMaster xsona xset Eight Segment Bridge 9 I e G con e J gou qe Som gen oe um qe jal AUI Segment 1 Se
34. nd stores data packets from all stations on attached LANs then forwards the data packets to all other stations on all other attached LANs Because the bridge forwards data packets from one LAN to another stations on the sending LAN can communicate with receiving stations on other LANs merging the LANs into one functional LAN Because the bridge stores received data packets transmission of data packets from one LAN to another is not controlled by the sending or receiving LAN functionally separating the LANs A bridge is an ISO OSI Model Layer 2 Data Link relay The ISO OSI Data Link layer transmits data packets from a source across a link to a peer destination The data link layer transmits data across the link by interfacing with the physical layer the transmission line and connectors at each end of the link LAYER 7 LAYER 7 LAYER 6 LAYER 6 LAYER 5 LAYER 5 LAYER 4 LAYER 4 Network Network LAYER 3 A A LAYER 3 y BRIDGE CONNECTION vo Data Link lt gt Data Link LAYER 2 A A LAYER 2 M Y Physical Physical LAYER 1 LAYER 1 1 2 SwitchM aster SwitchM asterFL 1 INTRODUCTION Smaller faster LAN 1 Large slow LAN BRIDGE 1 Smaller faster LAN 2 BRIDGE 2 Smaller faster LAN 3 Remote unattached LAN BRIDGE 3 Attached LAN
35. nt A Five Year Warranty Transition Networks Inc TN warrants for a period of five years that TN products with the exception of power supplies and fans that TN warrants for two years will be free from defects in materials and workmanship and will be in conformity with TN s specifications TN s warranty on products manufactured by or assembled for TN in accordance with a customers specifications is a five year warranty that the goods conform to such specifications The warranty is invalidated if the goods have been subject to alterations misuse accident Acts of God e g damage by floods lightning strikes Etc tampering improper maintenance improper installation or abuse If the user is unsure about the proper means of installing or using the equip ment contact TN s free Technical Support or Network Design Services which can be reached by Telephone 1 800 LAN WANS or 612 941 7600 Fax 612 941 2322 E mail techsupport transition com Internet http www transition com THE ABOVE WARRANTY IS EXCLUSIVE AND EXTENDS ONLY TO PRODUCTS ASSEMBLED BY TRANSITION NETWORKS INC TO THE EXTENT PERMITTED BY LAW TN DOESNOT MAKE AND DISCLAIMS ALL OTHER WARRANTIES EXCEPT TITLE EXPRESSED OR IMPLIED INCLU D ING BUT NOT LIMITED TO ANY WARRANTY OF DESCRIPTION MERCHANTIBILITY FITN ESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT AND ANY WARRANTY BASED UPON PRIOR WRITTEN OR ORAL REPRESEN TATIONS REGARDING SUCH PRODUCTS MADE BY TN ITS EMP
36. onnection status When the AUI is connected the Full Duplex Ethernet X Slot Card status LEDs indicate AUI network activity When the connection over the media is good the LINK status LED is illuminated W hen the link is transmitting data the TX transmit status LED is illuminated W hen the link is receiving data the RX receive status LED is illuminated EIGHT SEGMENT BRIDGE 1 17 100BaseT X Slot Card The 100BaseT Slot Card which provides connection to 100BaseT media is installed at either of the two SwitchMaster Bridge X Slot locations RX e LINK O TX to SwitchMaster xst a Eight Segment Bridge b cea I CE wi mi JEL J T mi 1 som AUI Segment 1 oun e Segment 2 Segment3 Segment4 Segment5 Segment6 Connectors One 1 RJ 45 connector is provided at the front of the installed 100BaseT X Slot Card Indicators When the RJ 45 is connected and the SwitchM aster is powered the 100BaseT X Slot Card status LEDs indicate the RJ 45 connection status W hen the connection over 100BaseT media is good the 100BaseT X Slot Card LINK status LED is illuminated When the 100BaseT link is transmitting data the TX transmit status LED is illuminated When the 100BaseT link is receiving data the RX receive status LED is illuminated 1 18 SwitchM aster SwitchM aste
37. ownload the TE O S bin code from the TRANSITION Networks software update disk into the reserved SwitchM aster Bridge memory To continue to normal Phase 2 operation at the X MODEM FILE DOWNLOAD MENU display on the attached ASCII terminal select the menu option 0 Continue Bootup Process by typing and entering the number 0 NOTE If the files load successfully the system continues to Phase 2 operation 5 8 SwitchM aster SwitchM asterFL 5 MAINTENANCE Installing X Slot Card in SwitchMaster Unit WARNING DISCONNECT POWER CORD from SwitchMaster Unit before installing the X Slot card Failure to observe this warning could result in personal injury or death from electrical shock WARNING AVOID CONTACT WITH PO WER SU PPLY during X Slot card installation Failure to observe this warning could result in personal injury from electrical shock caused by capacitive discharge CAUTION Wear a grounding device and observe electrostatic discharge precautions when installing the X Slot card Attach free end of grounding device to any bare metal on SwitchMaster Unit chassis Failure to observe this caution could result in circuit board failure Tools Medium Phillips screwdriver To install the X Slot card 1 Place SwitchM aster Unit on table or other stable surface 2 Using medium Phillips screwdriver remove twelve 12 screws that secure cover to SwitchM aster Unit Se 3 Slide cover appro
38. r Eight Segment Bridge is powered ON when the power cord is connected between the SwitchM aster Bridge and an AC outlet during installation NOTE When the SwitchM aster Eight Segment Bridge is powered the POWER LED on the SwitchMaster Bridge is illuminated The SwitchM aster Eight Segment Bridge is powered OFF when the power cord is disconnected from the SwitchM aster Bridge and or from the AC outlet SwitchMaster XSlot2 X Siot1 g ae Eight Segment Bridge lo IAS co ZE de cot n ca EN IBA ER qe gou 9 0 um qe eu ge um AUI Segment 1 Segment2 Segment3 Segment4 Segment5 Segment6 EIGHT SEGMENT BRIDGE 4 1 4 2 Monitoring SwitchMaster Bridge O peration SwitchM aster Eight Segment Bridge operation is monitored by observing Bridge Status and Segment Status LEDs on the SwitchMaster Bridge front panel Monitoring Bridge Status LEDs during O peration SwitchM aster Bridge Status LEDs are located on the SwitchM aster Bridge front panel us Ton witchMaster xsior2 xs Y Eight Segment Bridge pu amp OS SL ESC i Som q seus T Segment2 Segment3 Segment4 Segment5 Segment6 NOTE When the SwitchM aster Eight Segment Bridge is functioning normally the eight Status indicators cycle in a steady roll
39. rFL 2 SITEPLANNING Site planning for the SwitchM aster Eight Segment Bridge requires consideration both of site conditions and of the Ethernet IEEE 802 3 standards to which the SwitchM aster Bridge conforms 2 1 Site Considerations The site for the SwitchM aster Bridge must provide the following AC power outlet for each SwitchM aster Bridge Unit e Adequate ventilation e Standard environmental conditions e Isolation from electrical noise including radio transmitters and broadbank amplifiers motors high power electrical lines or fluorescent light fixtures Additionally e The twisted pair cables should not run in the same conduit with power line cables Phone lines should be separated from data cables Flat or silver satin wires should not be used 2 2 Ethernet Network Considerations NOTE A segment is the cable connection including connectors between cable interfaces in an Ethernet LAN For 10BaseT and mixed media networks containing 10BaseT segments Repeater sets are required for all segment interconnections A Media Access Unit MAU is part of the repeater set and counts toward the maximum number of transceiver devices on a segment The transmission path between any data source and destination can consist of no more than five segments EIGHT SEGMENT BRIDGE 2 1 3 INSTALLATION The SwitchM aster Eight Segment Bridge can be installed as a passive plug and play device To install th
40. rs with installation space for two additional X Slot multi media connections EST ER SwitchMaster FL sss PS Eight Segment Bridge st RK TX 7 RX TX mc Siz bee 1 00 200 1 20 segmenti Segment2 nina Satus Serial As shipped either the SwitchM aster or the SwitchM asterFL Eight Segment Bridge is a fully functional bridge that can be used for connecting and or for isolating Ethernet networks Bridge ports can be set individually to full or half duplex The optional X Slot cards if installed provide either an AUI transceiver network connection or an RJ 45 connection to 10BaseT and or an RJ 45 connection to 100BaseTX EIGHT SEGMENT BRIDGE 1 1 1 1 About Bridges A bridge is a network device that can be used to merge two or more Local Area Networks LANs into a single functional LAN or alternatively to separate a single LAN into two or more functional LANs The bridge is used to merge two or more LANs into a single functional LAN for e increasing reliable distances between stations particularly in Ethernet environments connecting different media types The bridge is used to separate one LAN into two or more functional LANs for e increasing available bandwidth by decreasing station contention e decreasing delays caused by multiple stations e isolating LAN failures These contradictory objectives are achieved because the bridge receives a
41. sconnected RJ45 cable RJ45 cable failure Cable failure open short Incorrect RJ45 cable installed Invalid cable pin outs Workstation or server NIC failure RJ45 connection failure CORRECTIVE ACTION Connect power cord For 110 120V use fuse should read 110 120V in upright position for 210 240V use fuse should read 210 240V in upright position Replace fuse See 5 3 1 Contact TN Technical Support 1 800 260 1312 Connect RJ45 cable Replace RJ45 cable Check cable assembly or tester or swap cable with known good cable See 3 5 2 for straight through crossover specifications See 3 5 2 for cable pin outs Check NIC configuration setup with manufacturer Contact TN Technical Support SwitchM aster SwitchM asterFL 5 MAINTENANCE FAULT Steady green LED illuminated in a Unit with no physical device present Repeater requires reset PRO BABLE CAU SE CORRECTIVE ACTION Reset SwitchM aster Bridge See 5 2 2 No console connection allowed by softw are Initialization failure Incorrect console cable installed Reset SwitchM aster Bridge See 5 2 2 Correct cable See NOTE below User cannot see rest of network Repeater requires reset Node is aging Loud fan noise Fan failure Reset SwitchM aster Bridge See 5 2 2 SwitchM aster Bridge requires 5 minutes to age addresses
42. star star Notes 4 Repeaters 5 Repeaters 5 Repeaters Backbone Backbone Backbone When viewing this chart remember that 10Base5 and 10Base2 use bus topology where multiple devices tap into a segment 10BaseT and the various 10BaseF implementations use star topologies where individual devices connect to a repeater or hub via a single cable or segment The various topologies can be interconnected within a single network EIGHT SEGMENT BRIDGE C 1 APPENDIX Appendix D Approved European Power Cord Set Embossed Alternative W ire Harmonization Color Codes Approval O rganization Marking Blk Red Ylw Belgium Comite Electrotechnique Beige CEBEC CEBEC HAR 10 30 10 Verband Deutscher Elektrotechniker VDE e V Prufstelle VDE HAR 30 10 10 Technique de l Electricite UTE UTE HAR 30 30 10 Institute del Marchio Q ualita IEMMEQU HAR 10 30 50 British Approvals Service For Electric Cables BASEC HAR BASEC HAR 10 10 30 N V tot Keuring van Electro technische M atarialien KEM A KEM A KEU R HAR 10 30 30 Svenska Elecktriska SM EKO SMEKO HAR 10 10 50 O sterreichnischer Verband ful Electrotechnik OVE OVE HAR 30 10 50 Danmark Elektriske Materielkontroll DEMKO DEMKO HAR 30 10 30 Institute for Industrial Research and Standards IIRS IRS HAR 30 30 50 Norges Elektriske Materielkontroll NEMKO NEMKO HAR 10 10 70 National Standards Authority of Ireland NSAI NSAI HAR 30 30 50 EIGHT SEGMENT BRIDGE D 1 APPENDIX Warranty Stateme
43. t 2 through Segment 6 RJ 45 are connected the Segment status LED s indicate RJ 45 connection status ML ren SwitchMaster FL xSot2 xam dE Eight Segment Bridge 00 ame jment4 5 00 Same ment 3 pen O 3322 OLS Serial w RK sim Segment 2 Rm K me RX 00 00 Segment5 Segment6 SwitchM aster SwitchM asterFL 1 INTRODUCTION 1 4 SwitchMaster Bridge X Slot Cards X Slot Cards allow the SwitchM aster Bridge to provide additional segments including wide area network WAN connections NOTE X Slot cards can be installed in the field Full Duplex Ethernet X Slot Card The Full Duplex Ethernet X Slot Card which provides the functionality of a redundant Segment 1 is installed at either of the two SwitchM aster Bridge X Slot locations SOSE RX 009000 O e eco g 2 LINK TX X Slot1 o e PATER tt Ed e ee eeu unk e e em e um ac Some Status Serial AUI Segment 1 Segment 2 Segment3 Segment4 Segment5 Segment 6 Connectors One 1 RJ 45 connector and one 1 AUI port connector are provided at the front of the installed Full Duplex Ethernet X Slot Card Indicators When the RJ 45 is connected and the SwitchM aster is powered the Full Duplex Ethernet X Slot Card status LEDs indicate the RJ 45 c
44. two screws through left front bracket using clip nuts if necessary Juooooooeoo N NC pane ea SwitchMaster un Eight Segment Bridge e Doooooad 3 2 SwitchM aster SwitchM asterFL 3 INSTALLATION Table Top Installation NOTE SwitchM aster Bridges are shipped with a separate unattached set of adhesive backed rubber feet for table top installation CAUTION The rubber feet MU ST BE INSTALLED on the SwitchMaster Bridge if a SwitchMaster Bridge is installed on a table top or other flat surface Failure to observe this caution could cause the SwitchM aster Bridge to overheat resulting in data transmission failure and or equipment damage To install the SwitchM aster Bridge on table or other flat surface 1 Carefully turn SwitchM aster Bridge to side and install four 4 rubber feet e Remove protective paper from adhesive surface of rubber foot Position rubber foot at bottom corner of SwitchM aster Bridge Secure rubber foot to SwitchM aster Bridge Repeat for remaining rubber feet 2 Return SwitchM aster Bridge to upright position NOTE The mounting brackets that come installed on the SwitchM aster Bridge can be removed and saved for later use EIGHT SEGMENT BRIDGE 3 3 3 3 Connecting to Network Network connections are made at RJ 45 connectors e AUI connectors optional X Slot Car
45. urce identifier and LAN into cache Bridge sends data packet 1 for unknown destination 1 over all LANs except LAN from which data packet 1 was received Bridge sends data packet 2 for unknown destination 2 over all LANs except LAN from which data packet 2 was received Destination 1 receives data packet 1 Destination 2 receives data packet 2 1 8 SwitchM aster SwitchM asterFL 1 INTRODUCTION a Source 1 Ba Source 2 G Packet 1 2 Bridge Packet 1 5 Address Cache source source source source Source 3 Destination 1 I Destination 2 EIGHT SEGMENT BRIDGE 1 9 Participate In Spanning Tree The spanning tree algorithm is intended to prevent LAN failure caused by the unintended generation of infinite broadcast loops Infinite Loops Since bridges forward data packets across all LANs except the LAN from which the data packet is received and since bridges are transparent to all other bridges when multiple bridges connect multiple LANs infinite loops can be generated by situations such as the following 10 11 12 13 Source 1 sends data packet intended for destination 1 on LAN 1 Bridge 1 and Bridge 2 copy data packet 1 with LAN 1 identifier into cache Randoml
46. ximately one inch toward back of SwitchM aster Unit to disengage cover from SwitchM aster U nit 4 Lift cover from SwitchM aster Unit and set aside EIGHT SEGMENT BRIDGE 5 9 5 From SwitchMaster Unit inside front remove knockout plate from SwitchM aster Unit by holding screwdriver against knockout plate and striking firmly until knockout plate falls onto the table or other flat surface and free of the SwitchM aster U nit Knockout Plate 6 Locate internal X Slot card mounting bracket installed at SwitchM aster Unit inside front Internal X Slot Card Mounting Bracket X Slot Card M ounting Bracket Slots NOTE The X Slot card attaches to two 2 slots on the internal X Slot card mounting bracket and to two 2 96 pin connectors located on the SwitchM aster circuit board inside the SwitchM aster Unit 5 10 SwitchM aster SwitchM asterFL 5 MAINTENANCE 7 Carefully align the X Slot card mounting tabs with the internal X Slot card mounting bracket slots 8 Slide the X Slot card mounting tabs into the internal X Slot Card mounting bracket slots X Slot Card Mounting Tabs Internal X Slot Card DA M ounting Bracket Slots Pesi 9 Carefully press X Slot card onto the two 2 96 pin connectors on the SwitchM aster circuit board 96 pin connector 10 Replace SwitchM aster Unit cover 11 Replace twelve 12 screws that secure SwitchM aster U nit
47. y Bridge 1 responds before Bridge 2 Bridge 1 sends data packet 1 out onto LAN 2 Destination 1 receives data packet 1 Bridge 2 sends data packet 1 on LAN 2 Bridge 2 receives data packet 1 on LAN 2 and copies data packet 1 with LAN 2 identifier into cache Bridge 1 receives data packet 1on LAN 2 and copies data packet 1 with LAN 2 identifier into cache Bridge 2 sends data packet 1 on LAN 1 Bridge 1 sends data packet 1 on LAN 1 Bridge 2 receives data packet 1 on LAN 1 and copies data packet 1 with LAN 1 identifier into cache Bridge 1 receives data packet lon LAN 1 and copies data packet 1 with LAN 1 identifier into cache Bridge 1 sends data packet 1 out on LAN 2 Bridge 2 sends data packet 1 on LAN 2 AND SO ON 1 10 SwitchM aster SwitchM asterFL 1 INTRODUCTION LAN 1 A BE Source 1 Bridge 2 Packet 1 Bridge 1 Packet 1 2 1 Address source 1 2 o Address Cache che LAN 1 LAN 2 LAN 1 source 1 LAN 2 ource 4 Destination 1 LAN 2 The Spanning Tree Algorithm The Spanning Tree algorithm avoids the generation of infinite loops by dynamically defining one and only one direct logical path between any two bridged LANs The spanning tree algorithm uses the fields root identifier cost to root tr
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