Expand Management Programming Manual
 ELEMENTS OF SPI MESSAGES FOR THE EXPAND SUBSYSTEM
 Other Tokens
 A table of all the token codes defined by the EXPAND subsystem
 (token codes with names of the form ZEXP-TKN-
name
) can be found
 in Appendix B.
 Token Types
 The token types used by the EXPAND subsystem are represented
 by symbolic names of the form 
subsys
-TYP-
name
, where 
subsys
 is a four-character subsystem abbreviation and 
name
 identifies
 the token type. For example, the token type ZSPI-TYP-CHAR8
 represents a string of eight ASCII characters. The EXPAND
 subsystem does not define any private token types; that is, no
 token types have names of the form ZEXP-TYP-
name
.
 Throughout this manual, when a simple token is described, its
 token type is given.
 Predefined Value Names
 The predefined values used by the EXPAND subsystem are repre-
 sented by symbolic names of the form 
subsys
-VAL-
name
, where
subsys
 is a four-character subsystem abbreviation and 
name
 identifies the predefined value. For example, the predefined
 value ZEXP-VAL-RS232 represents the RS-232 hardware interface.
 Extensible Structured Tokens
 Extensible structured tokens--tokens whose values are extensible
 structures--are identified by token maps. The token maps for
 the extensible structured tokens used by the EXPAND subsystem
 are represented by symbolic names of the form 
subsys
-MAP-
name
,
 where 
subsys
 is a four-character subsystem abbreviation and 
name
 identifies the token map. For example, the token map ZEXP-
 MAP-STATS-PATH identifies an extensible structured token that
 contains all the statistical information for one path.
 All EXPAND commands can contain extensible structured tokens.
 The responses to the following EXPAND commands can also contain
 extensible structured tokens:
 INFO STATISTICS
 PROBE STATUS
 RESETSTATS
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