Table 9.4 - Some abbreviations
used in data cabling
|
|||
ACR |
Attenuation-to crosstalk
ratio |
||
ANSI |
American National Standards
Institute |
||
ATR |
Attenuation-to crosstalk
ratio |
||
AWG |
American wire gauge |
||
BD |
Building distributor | ||
BFOC |
Bayonet fibre optic connector |
||
CD |
Campus distributor |
||
CDDI |
Copper distributed data
interface |
||
CP |
Consolidation point |
||
CPE | Consumer premises equipment | ||
CSA |
Canadian Standards Association |
||
dB |
Decibel |
||
DP |
Demarcation point |
||
EIA |
Electronic Industries Alliance |
||
ELFEXT |
Equal level far-end crosstalk |
||
EMC |
Electromagnetic compatibility |
||
EMI |
Electromagnetic interference |
||
EMR |
Electromagnetic radiation |
||
ER |
Equipment room |
||
ESD |
Electrostatic discharge
damage |
||
FCC |
Federal Communications
Commission |
||
FD |
Floor distributor |
||
FEXT |
Far-end crosstalk |
||
FRNC |
Flame-retardant non-corrosive |
||
FTP |
Foil twisted-pair |
||
HC |
Horizontal cross-connect |
||
IC | Intermediate cross-connect |
||
IDC |
Insulation displacement
connection |
||
IEC | International electrotechnical
commission |
||
ISD |
Integrated services digital
network |
||
ISO | International standards
organisation |
||
KTS |
Key telephone system |
||
LAN |
Local area network |
||
LCL |
Longitudinal conversion loss | ||
LEC |
Local exchange carrier |
||
LED |
Light emitting diode |
||
LFH |
Low fire hazard |
||
LSOH |
Low smoke zero halogen |
||
MC | Main cross-connect |
||
NEMA |
National Electrical Manufacturers
Association |
||
NEXT |
Near-end crosstalk | ||
NFPA |
National Fire Protection
Association |
||
NVP | Nominal phase velocity of propagation | ||
PBX |
Private branch exchange |
||
PE |
Polyethylene | ||
PIMF |
Pair in metal foil | ||
PP |
Patch panel |
||
PVC |
Polyvinyl chloride |
||
RF |
Radio frequency | ||
RMS |
Rack mount space | ||
SC |
Subscriber connector |
||
ScTP | Screened twisted-pair |
||
STP-A |
Shielded twisted-pair | ||
S/FTP |
Foil and braid twisted-pair |
||
STP |
Shielded twisted-pair |
||
TC |
Telecommunications closet |
||
TDM |
Time division multiplexing |
||
TIA |
Telecommunications Industry
Association |
||
TO |
Telecommunications outlet |
||
TP |
Transition point |
||
UPS |
Uninterruptible power supply | ||
UTP | Unshielded twisted-pair |
||
WA |
Work area | ||
WAN |
Wide area network | ||
WDM |
Wave division multiplexing |
||
X |
Cross-connect |
||
Extracted from The Electricians Guide Fifth Edition
by John Whitfield
Published by EPA Press Click Here to order your Copy.