Expand Management Programming Manual
 INTRODUCTION
 Required Management Functions
 REQUIRED MANAGEMENT FUNCTIONS
 To manage the objects that make up the EXPAND subsystem, you must
 be provided with the capability to do the following:
 • Define certain characteristics, or attributes, of lines,
 paths, and processes.
 • Find out the current values of the attributes of lines, paths,
 and processes.
 • Obtain information about the current paths from other systems
 to a selected system.
 • Determine the current states of lines and paths.
 • Initiate the operation of lines and paths.
 • Terminate the operation of lines and paths.
 • Change the system resources used by processes.
 • Obtain information about the product names and release ver-
 sions of various components of the subsystem.
 • Obtain statistics about the execution history of lines and
 paths, the communication between two systems, or the network
 traffic passing through a given system.
 • Reinitialize the counters used to save statistics for lines
 and paths.
 • Trace the actions of various components of the subsystem.
 RELATIONSHIP WITH OTHER SUBSYSTEMS
 EXPAND line handlers can communicate over X.25 virtual circuits,
 and EXPAND lines can coincide with Fiber Optic Extension (FOX)
 links, so an EXPAND network can be affected by the actions
 of the X25AM subsystem and the FOX subsystem. The management
 programming interfaces to these subsystems are described in
 the 
X25AM Management Programming Manual
 and the 
FOX Management
Programming Manual
, respectively.
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