Glossary and Abbreviations
QQQ_¢_Q¬GL-30 ¤Fs¤mFsnnn
light-emitting diode (LED)
Fha4pm=¤4p=F¦a4F^"zp=¤4FdaV^§^Fm¦pd"VFa"zzdaF=zp¦a=F"¦a¤"d
am=a4"apmpO^FpzF"apm"d"¤pO^"=§"F4phzpmFm:^FF¤dpOh"amFm"m4FF:^F
"d"h"¤pO4a4¤az"4c:"m=^F"4a¦"apmpOFdFz^pmFOF"¤F
lightwave transceiver
"=§"F^"zp¦a=F"mamFO"4FpOa*F_pza44"*dFOphzp4a4¤az"4c"m=s4pm¦FF
4a4¤az"4caV^§"¦F"m4Fa¦F4pm¦FFdF4a4"daVm"dpdaV^aVm"d"m=¦a4F¦F"
line
"mhaapmz"^*F§FFm"4phh¤ma4"apm©Fhp§a4^amV©Fh"m="¦pa4F
Fham"dpp^FFham"d
line appearance
FF"zzF""m4F
line buildout
FdF4"*dFp¤z¤"Fm¤"apmaVFmF"dd©F¤aF=pOF¤azhFm*F4"¤Fs4a4¤a
F¤aF^Fd"z"mpdpFsQJ¢¢Q=
line port
"=§"F^"zp¦a=F^F"44Fzpamp"4phh¤ma4"apm©FhOpF"4^4a4¤a"p4a"F=
§a^"FdFz^pmFp=""Fham"d
link
"mhaF_F4Fa¦F4^"mmFd^"4pmmF4§p©Fh
link-access procedure on the D-channel (LAPD)
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"mOF*F§FFm§p=F¦a4F:"m=Fp"m=Odp§4pmpdpmh¤dazdFdpVa4"ddamca¤F=
OpaVm"damV"m=dp§_zFF=z"4cF=""|¢Q"m=hp=F}pm^FaVm"damV|_}4^"mmFd"m=Op
hp=F_=""4phh¤ma4"apmpm"*F"F|_}4^"mmFd
LINL
p4"dam=aF4mFaV^*pdamc
local area network (LAN)
mF§pcamV""mVFhFm=FaVmF=Op"dahaF=VFpV"z^a4"d"F"FmF"dd©:"adahaF=am
"mVFp"h"¨ah¤hpO¢hadF"m=zp¦a=F^aV^_zFF=4"aFF¦a4F§a^dp§Fp"F
phhpm4pmOaV¤"apmam4d¤=F="a©4^"am:"|am4d¤=amV4a4¤a_§a4^F=}:amV:"m=*¤
logical link
^F4phh¤ma4"apmz"^*F§FFm"zp4Fp"m="Fham"d
loop-start trunk
¤mcpm§^a4^:"OFF"*da^amV"4pmmF4apm§a^"=a"m§a4^amV©FhOp"mp¤VpamV
4"dd:^F©Fh§"aOp"aVm"dpm^FdppzOphF=*©^F¤mcdF"=*FOpFFm=amV^F=aVa
pO^F4"ddF=m¤h*F
LSU
p4"dp"VF¤ma
LWC
F"¦Fp="ddamV