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Interface Functions
The capability of a device connected to the bus is specied by its interface functions. These functions
provide the means for a device to receive, process, and send messages over the bus. The interface
functions are listed in the chart below:
Interface Function Subset Description
Source Handshake SH1 Complete Source handshake capability
Acceptor Handshake AH1 Complete Acceptor handshake capability
Talker T6 Talker functions (unaddress if MLA)
Listener L4 Listener functions (unaddress if MTA)
Service Request SR1 Complete Service request capability
Remote Local RL0 No remote/local capability
Parallel Poll PP0 No parallel poll capability
Device Clear DC1 Complete Device clear capability
Device Trigger DT0 No device trigger capability
Controller C0 No controller capability
Electrical Interface E2 Three-state drivers
Interface Function Description
Controllable Items Test and Reset control.
Setting of test parameters for tests.
Reading of instrument status and test results.
Data Codes ASCII
Delimiter NL (+ EOI)
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