Telenetics 2185 LED Indicators, Configuration Examples, Function Switch Three, DTE/DCE Optioning

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Telenetics 2185

Function Switch Three

Function switch three is a six-segment DIP switch used to configure the data interfaces for each channel.

Set to Up (DTE) if the channel is connected to a DTE-type device such as a CPU port or a terminal (this configures the 2185 interface as Data Circuit-terminating Equipment - DCE).

Set down (DCE) if the channel is connected to a DCE-type device such as a modem (this configures the 2185 interface as Data Terminal Equip- ment - DTE).

Table 3-5. DTE/DCE Optioning

Position	Sw3-1	Sw3-2	Sw3-3	Sw3-4	Sw3-5	Sw3-6

Up	Main Ch.	Sch. 1	Sch. 2	Sch. 3	Sch. 4	Sch. 5
	DTE	DTE	DTE	DTE	DTE	DTE

Down	Main Ch.	Sch. 1	Sch. 2	Sch. 3	Sch. 4	Sch. 5
	DCE	DCE	DCE	DCE	DCE	DCE

LED INDICATORS

Table 3-6 lists the functions of the LED status indicators. Under normal operating conditions, none of the alarm indicators is illuminated. Refer to the section entitled Recovery From Anti-Streaming Alarm Condition in Chapter 4 - Maintenance for the procedure to handle alarms.

CONFIGURATION EXAMPLES

The following examples show how you might option your 2185 for a variety of configurations. These examples are provided to demonstrate the versatility of the 2185. Your specific application, and thus product configuration, may differ from those described here. For an explanation of the various switches, refer to the function switch descriptions in the previous sections.

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Contents Telenetics Proprietary Material Page Page Contents Ordering Information Features IntroductionData Interface Subchannel Contention Main Channel BroadcastSynchronous Data Retiming Buffer 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 Function Switches Function Switch OneEnabling/Disabling Subchannels Function Switch Two Data Rate Selection Using Switch Segments 1-6 toFunction Switch Two Summary 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 13. Switch Two Settings 2185 a 14. Switch Three Settings 2185 a15. Switch One Settings 2185 B 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 ConditionInstallations in the USA Returning Defective Equipment for RepairGeneral Packing Information 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