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통신 > 회선 교환장비 및 제공업체 | ACD
| BER | bis
| bit stuffing | BRI
| cable
head-end | carrier | channel
| circuit
| cloud | CO
| co-location | CTI
| customer premises equipment | D-channel
| dedicated line |
demarc | DID
| digital signal X | digital
switch | Direct Inward Dialing
| DS0, DS1.....DS4 | DSLAM
| E1, E2, E3... | erlang
(unit of telephone traffic) |
fax | FDDI
| FDM |
frame | frequency-division
multiplexing | FSK | Gbps
| gigaflop | half-duplex
| headend |
ILEC | incumbent
local exchange carrier | Intelligent
Network | interexchange carrier
| international callback | isochronous
| IXC | jitter
| LATA | leased
line | LEC | local
exchange carrier | Location Routing
Number | loopback | LRN
| narrowband | network
operations center | NOC | OSS
| PRI | probe
| protocol | quadbit
| RBOC | regional
Bell operating company | repeater
| RJ-11, RJ-45, etc. |
roaming service | RS-232C
| S/N | SDH
| Service Level Agreement | signal
| signal-to-noise ratio | simplex
| SLA | SNR
| splitter
| SS7
| SSP | SVC
| switch | switched
virtual circuit | T-1, T-3,
etc. | TAPI | TDM
| telco | terabit
| ter/terbo | time-division
multiplexing | transit
| trunk | universal
network | virtual circuit
| |