92 Glossary 890 USE 103 00
frame descriptor
)+-( -""(,-(&).-+,. +,-+.-.+-"-%#'$,
-+',&#--(++#/- +&,-())+()+#-)+#(+#-2*..,
+&,+#)-(+,('-#' +&)+&-+, +&,--.,
')(#'-+,
Global Input
-2)( -#').-+#/2'(.,#'!+()-
-+', +,(,.,#'!+()'(' #!.+-(+#/.)-(
4#-0(+,( %(%').-- +(&"( .)-(,(.+
'(,.)-(&1#&.&-(-%( 0(+,'(&#'!- +(&
",(.+'('#'1#'-(.)-(#!"- #%, (+%#/+2
#'-(,)+--,-#'-#(',#'-"+#/#'!'(
Global Output
-2)( -(.-).-,'-2'(.,#'!+()--+', +,
(,.,#'!+()'(' #!.+-(,'.)-(4#-
0(+,( %(%.-).--0"#"#,!%(%%2+(,--(%%
-#/'(,('-"'-0(+$,-#'-#(''(,'(' #!.+
-()-(+#!'(+#'(&#'!- +(&,)# #,(.+'(,
HDLC
#!"4%/%-#'$('-+(%")+-( -"/#-"-)+ (+&,
-")+(-((%, (+ #'#'!-"!#''#'!''( +&
,2'"+('#3#'!-" +&-0','+'+#/+)+(/##'!
++(+"$#'!' #'#'!-")(+-#('( -"+#/
#' (+&-#('-"-#,-("$2-"
host computer
(&).-+0"#"('-+(%,(-"+(&).-+,'/#,''
#'.,-+#%)+(,,0#-"'-0(+$#'!-""(,-(&).-+,)# #,-"
.++'-+*.#+&'-, (+-"()+-#('( +&(-'(,'#,-"
,-#'-#(' (+,.&&+2-+)(+-,(.--")+ (+&'( -"
)+(,,
IEC
'-+'-#('%%-+#%(&&#,,#('
IEEE
',-#-.-( %-+#%'%-+('#,'!#'+,
ISO
'-+'-#('%-'+,+!'#3-#('