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HP SB manual Rear Panel, External Switch Module Connections

Models: SB

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Table 6: Status LEDs

LED	Description

REM	Indicates that the GPIB or RS232 interface is in Remote mode. All front-panel
	keys except Local are locked out.

LOCK	Indicates that the SB switch is in Local Lockout mode. This mode prevents the
	Local key from returning the SB switch to Local mode.

ADDR	Indicates that the GPIB interface is in talk or listen state

SRQ	Indicates that the interrupt logic of the SB switch has generated a service request
	interrupt on the GPIB interface

Rear Panel

The back of the switch is shown in Figure 8.

Figure 8: Back of the Switch

External Switch Module Connections

External Switch Module without TTL Input Controls

The setup for a switch without transistor-to-transistor logic (TTL) is shown in Figure 9.

Operating and Maintenance Instructions – 16

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HP SB manual Rear Panel, External Switch Module Connections, External Switch Module without TTL Input Controls

Contents

User’s Manual SB Series Fiberoptic SwitchPage Contents Programming Guide SD000153 Rev. J May Safety Information Safety Information, Instructions, and SymbolsSafety Instructions Before Initializing and Operating the UnitOperating the Unit Safety Safety Symbols SymbolProceeding CE Compliance ComplianceGeneral Information and Specifications Single-Common SB-C Switch ConfigurationGeneral Information Single Step Dual Common SB-E Switch Configuration Dual-Common SB-D Switch ConfigurationKey Features Dual-Common Blocking SB-F Switch ConfigurationStandard Accessories Optional AccessoriesParameter Typical Maximum SpecificationsElectrical PhysicalEnvironmental Before Initializing and Operating the Unit Getting StartedInitial Inspection Operating EnvironmentStoring and Shipping Cleaning Connectors Connector Cleaning connector type can vary Installing the SwitchFront Panel Operating and Maintenance InstructionsOperating Keys Key DescriptionExternal Switch Module Connections External Switch Module without TTL Input ControlsRear Panel Sample Driver Application Electrical Equivalent of Driver External Switch Module with TTL Input ControlsUsing and Selecting a Channel Powering Up the SwitchSetting the Gpib Address Setting the Interface Command Set for SC and SX SwitchesControlling the Drivers Controlling the Switch Locally Controlling the Switch Remotely by Gpib InterfaceControlling the Switch Remotely by RS232 Interface Calibrating the Switch Maintaining the SwitchPrint #1, CLOSE? Input #1,A$ Print A$ END Operating and Maintenance Instructions Gpib Pin Assignment Programming GuideGpib Interface Functions RS232 Interface SpecificationsRS232 Pin Assignment Mnemonic FunctionName Symbol Pin Number Signal Direction Operation and Query CommandsCommand Parser Rules RS232 Driver Pin AssignmentReset Operation CommandsClose Set Optical Channel XDR i k Driver ControlQuery Commands Last Number Error Error NumberDrivers LearnStatus Reporting and Service Request Control Condition RegisterStatus Register Gpib Programming Examples SRQ Mask RegisterSRQ Mask Register Bit Serial Polling the Status Register Sending CommandsGenerating a Service Request Interrupt RS232 Programming ExamplesLearn Query LRN? Setting the Interface Command Set Querying StatusReading the Status Register SX Series Switch Command Set SC Series Switch Command Set SCXXX-0XXX ModelsSyntax Function Bit MessageRQS Busy Normal BAD Data Unit Failure