Manuals / Black Box / Computer Equipment / Server

Black Box 5000 manual Typical Distributed-Star Application

Models: 5000

1 268

Download 268 pages 63.91 Kb

Page 35

CHAPTER 3: Network Design and Topologies

DISTRIBUTED STAR

If two Multiserver star networks are connected, the topology can be described as a distributed star. Figure 3-10 shows two star networks connected to form a distributed star.

FEEDER MUX

MULTISERVER

1000

MULTISERVER

5000

FEEDER MUX

MULTISERVER

1000

MULTISERVER

1000

MULTISERVER

1000

FEEDER MUX

FEEDER MUX

Figure 3-10. Typical Distributed-Star Application.

33

Image 35

Black Box 5000 manual Typical Distributed-Star Application

Contents

Multiserver Multiserver Trademarks Table of Contents Table of Contents Getting Started Bench Configuration and TestingTesting Asynchronous Data Channels Link ConfigurationUsing Modems with the Interconnect Link Switching Configuration Data-Channel ConfigurationAdministration Diagnostics Appendix a Worksheets LCD/KeypadAppendix C Defaults Appendix B Cabling DiagramsAppendix F Device Applications Appendix E IndicatorsAppendix D Messages Multiserver 5000 Base Unit SpecificationsPerformance Specifications Physical SpecificationsSync Channel Characteristics Multiserver Async Channel CharacteristicsMX215C Configuration DCE SpeedExpansion Modules MS5 Expansion Module Sync/Async MS1 Expansion Module-Async OnlyMS1 Voice/Fax Cards General SpecificationsAnalog Specifications Digital Specifications Signaling SpecificationsMS RLB Module MS1 56K CSU/DSU ModuleConverter/DCE MS1 NMS ModuleMS1 V.35 Converter/DCE LAN IntroductionModule Feeder MuxesLCN300A MS1 56K CSU/DSU Module MT150C CommPakExpansion Modules MS1 Voice/Fax CardDocumentation MS1 NMS Module MX227CMS1 V.35 Converter/DCE MX226 11 MS1 Rackmount Kit RM220Bold Manual Text ConventionsMultiserver Initial Considerations Network Design and TopologiesSyntax for Node Numbers and IDs Default Node Numbers and Node IDsWorksheets for the Network Nodes and HubsLocal Hub Group Examples of Network Designs Point-to-Point Switching TopologyTypical Point-to-Point, Dual Link with Load Balancing Typical String Network Typical Star Application 10. Typical Distributed-Star Application Check Contents Base-Unit InstallationBehind it CommPak Cartridge Installation and RemovalPower Up the Unit LCD DisplayLCD/Keypad Information if you wish to stop Checking the CCM IndicatorsChannel numbers are assigned to all the ports on CCM Indicator LEDsModule and Channel Nomenclature CCM Board. The front-panel of the unit is to the left Module Stacking Order Module InstallationModule-Location Switch Settings Inter-module stacking connectors Inter-Module Stacking ConnectorsBlank Back Panel Disassembly ProceduresRemove the cover after taking out four fastening screws Remove any blank panels CEM, VOICE/FAX CARD, or CSU/DSU Module 11. Installing the CCM Installation ProceduresPorts 13. Reinstalling spacers 15. The front and back of the cover Converters Optional Equipment Module InstallationMultiserver Base Unit Location Connecting an Ascii TerminalAsync Terminal Settings Getting StartedCommand Facility Main Menu appears Command FacilityDisconnect message is displayed There is no default password. Just press crPress cr. At the Enter Class prompt, enter $CMD Key Reset DefaultsBegin by pressing cr Name the Local NodeSwitch S1 on the NMS Module Installing and Configuring the Link Quick SetupSwitching Control Switching Controls Force Connect ALL Overview Bench Configuration and TestingBench Configuration and Testing Using CSU/DSUs with the Interconnect Link Bench Configuration and Testing Sync Data Channel Bench Configuration for a Sync Data ChannelAsync terminal Port A6 Asynchronous Terminal Settings Testing Asynchronous Data ChannelsLocal Multiserver THICKNET, 10BASE-T, and Fiber Testing the RLB ModuleForce Connect Voice/Fax ChannelsAssign a Port for Each Link Link ConfigurationTypes of Links Avoid Node DuplicationMultiserver 5000 CCM Default Port Configurations Port ConfigurationInterconnect Link Screen will display the following prompt Enter the node ID. Press cr Next, select option 3 from the remote Command Facility menuMux Link Enter NODE-ID # ### X.21 Link Select option 5 on the Port Configuration MenuX.21 Link Parameters Option Default DescriptionSame number as before See -2, X.21 Link Link Configuration DescriptionReview Link Configuration An example might be NEWYORK/A4 Data-Channel ConfigurationFollowing protocol menu will appear Configure the port for syncSynchronous Channels Option Description Sync Protocol OptionsDLC Sync Channel Characteristics Used for Each Sync ProtocolOption Protocol Default Description Sync Channel CharacteristicsDLC To DTE DLC None Data-Channel Configuration Synchronous Clocking Configuration Description of UseDTE DCE Asynchronous Channels Async Channel Channel Characteristics Asynchronous Channel Characteristics DC1 10. Multiserver Bit Conversion Autobaud RatesAsync Channel Channel Features Asynchronous-Channel Switching Parameters, EIA 11. Asynchronous Channel Features100 12. Asynchronous Channel Extended Features Copy Channel Parameters Review Data-Channel Configuration 104 Connecting Data Channels Cables Data-Channel ConfigurationSwitching Control Switching ConfigurationSwitching Control 107 108 All Prompt From the Command Facility Main Menu, selectDisconnecting ranges, see .3, Force Connecting a Range Force-Connecting a RangePorts Synchronous ConnectionsInformation Asynchronous ConnectionsClasses, for class 113 Matching Capability for Asynchronous Channels Menu options is discussed in Table Asychronous-Channel Switching ParametersAsynchronous Channels, and -11, Asynchronous Channel Switching Parameters117 Local and Remote Hub Groups Classes119 Enter the primary class name selected. Press cr User is connected to the classClass Configuration 122 123 Connect Protocol Details Initiated by device Device initiates Disconnect SequenceCall Completion Receiving port Port Contention/QueueingConfigure the port for DTR and assign it to the class 10.11 X.21 Switching Considerations128 Async Channel Reset AdministrationEach type of reset is described in Table Menu-flow diagram for LCD/Keypad resetsReset Options Options of this menu are detailed in -2on the following Command ModeCommand Mode menu will appear Selection of loopback tests. See .3, Async Channel Loopback Command ModeAdministration Configuring the Command FacilityCommand Facility Configuration 137 138 139 If the port or range selected is all async, the system MessagesEnter the node ID and channel number or range of channels Special Message Characters Dialog Messages Max Option Default Char Description143 Three menu options are detailed in -6, which is on the next Network SecurityPassword Menu Status/Statistics Status/Statistics147 148 149 150 151 152 153 Option Description Link AdministrationChannel Administration Link Configuration , forClasses, for more information Switching AdministrationQueue. See Section 156 There are four test options available DiagnosticsSelf-Test Terminate Test158 When this option is selected, the following menu appears System Diagnostics in the Command Facility160 Enter the channel to be tested. Press cr Sync Channel LoopbackFollowing menu will appear After the test is initiated, the Command FacilityTerminal will be returned to the Command Facility This test causes all of the LED indicator lights toIntegral CSU/DSU Testing the Network164 General LCD/Keypad Information LCD/Keypad166 Menu Tree Multiserver LCD/Keyboard Menu Flow ChartLCD Banner Display Banner Message DisplayMenu Functions AdministrationReset Review System Message LogThis menu offers the following options 170Press the EXEcute key again and the Multiserver will reset DiagnosticsInput Level Monitors the level of the incoming This menu offers the following test options173 Prom # ConfigurationAppendix a Worksheets Worksheet for Planning Node Numbers and Node IDs Remote Synchronous Protocol and Channel Worksheet 179 Asynchronous Channel Characteristics Worksheet OFF Asynchronous Channel Features Worksheet 183 Asynchronous Channel Extended Features Worksheet Record of Asynchronous Classes Switching Parameters Worksheet Command Facility Parameters Worksheet Display Messages Worksheet Voice/Fax Parameters Worksheet Record of Passwords Appendix B Cabling Diagrams Cabling for the CCM and 6-Channel CEMs 193 194 195 196 197 Cabling for the 12-Channel CEM 199 200 201 Cabling for the 12-Channel CEM with Line Drivers 203 Cabling for the MS1 56K CSU/DSU Module Cabling for the NMS Module Cabling for Converters 207 208 209 Cabling for Use with Tandem Figure B-13. Tandem Cable DiagramPort Configuration Appendix C DefaultsSystem Administration Multiserver and Feeder Mux Default Node Numbers and IDsDialog Messages Command Facility ParametersExtended Features Asynchronous Channel ConfigurationChannel Characteristics Channel FeaturesDLC Ascii Bisync and Ebcdic BisyncSync-Pad Synchronous Channel ConfigurationMicom Voice SyncFast Packet OPX Interface Voice/Fax ModuleKTS Interface InterfaceVoice/Fax Node Parameters Voice/Fax Switching ParametersLog Printer Port Command PortNMS Module Screen Display Messages Appendix D MessagesScreen Display Messages Message 224 Screen Display Messages 226 227 228 229 230 231 232 Message Message Type Explanation Node ID n/channel number c Class name or Matrix if matrix switching is usedLCD Messages LCD Messages 236 LCD Messages 238 Definition Off Flashing Appendix E IndicatorsTable E-2. CCM Indicator LEDs 241 LED 243 244 Tandem Appendix F Device ApplicationsType of Terminal Table F-1. Spool ModeFigure G-1. Clip nut assembly for rack Appendix G Rackmount Installation248 Appendix H Additional Infomation Upgrade Information250 Appendix H Additional Information Glossary Glossary 254 Configuration switch group See switch group255 EBCDIC, Extended Binary Coded Decimal 256FDX See full-duplex ISU, integrated service unit An integral interface258 259 PTT, Post, Telephone, and Telegraph 260Single frequency See tone-signalling Slow busy signal SF, single frequency See tone signaling262 263 Multiserver LCD/Keyboard Menu Flow Chart Menu Flow Diagram Park Drive Lawrence, PA 15055-1018 724-746-5500 Fax