Telenetics 2185 manual Multimaster Multidrop Application Example

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Telenetics 2185

Multimaster Multidrop Application Example

In this application, 2185s are used to provide a link between remote users and two mainframes, with the second mainframe serving as the backup for the first. Figure 3-11 shows this application.

SCH. 4

Figure 3-11. Multimaster Multidrop Application

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Contents Telenetics Proprietary Material Page Page Contents Ordering Information Data Interface FeaturesIntroduction Synchronous Data Retiming Buffer Subchannel ContentionMain Channel Broadcast Applications Anti-StreamingPort-Sharing Mode Port-Sharing ApplicationModem-Sharing Mode Modem-Sharing ApplicationCo-Located Terminals CascadingLocal Cascading Application Remote Cascading Application Specifications SpecificationsTelenetics Customer Responsibilities Site Selection and PreparationUnpacking Packing MaterialsEquipment Supplied Damage/Material ShortagesInstallation Procedure Equipment AssemblyInstallation Tools Required Mechanical InstallationRear Panel Assembly Straight-Through Cable Interface Telenetics Operating Controls Indicators Front View Door ClosedInside Front Panel Enabling/Disabling Subchannels Function SwitchesFunction Switch One Function Switch Two Summary Function Switch TwoData Rate Selection Using Switch Segments 1-6 to Switch Segment 2-1 Contention Mode Switch Segment 2-4 Anti-Streaming Enable/Disable Clock Routing ConfigurationsSwitch Segment 2-7 Main Channel RTS/DCD Strapping External Clock Reference with Main Channel DTE External Clock Reference with Main Channel DCE Internal Clock Reference with Main Channel DTE Internal Clock Reference with Main Channel DCE Subchannel 1 DCE Clock Reference with Main Channel DTE Subchannel 1 DCE Clock Reference with Main Channel DCE LED Indicators Configuration ExamplesFunction Switch Three DTE/DCE OptioningDigital Bridging Application Example Digital Bridging Application Switch One Switch TwoLeased-Line Backup Application Example Switch Three10 Leased-Line Backup Application Switch One 10. Switch Two 11. Switch ThreeMultimaster Multidrop Application Example 11. Multimaster Multidrop Application12. Switch One Settings 2185 a 15. Switch One Settings 2185 B 13. Switch Two Settings 2185 a14. Switch Three Settings 2185 a 16. Switch Two Settings 2185 B 17. Switch Three Settings 2185 BMain Power Connection 18. LED Status Indicator Functions12 Power Connection POWER-DOWN Procedure OperationMaintenance Philosophy Preventive MaintenanceCorrective Maintenance Recovery from Anti-Streaming Alarm ConditionGeneral Packing Information Installations in the USAReturning Defective Equipment for Repair Installations Outside the USA or Canada Telenetics Ordering Information Telenetics Ordering InformationTelenetics Glossary Glossary-2 Glossary-3 Glossary-4 Index INDEX-2 INDEX-3 INDEX-4