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MX250 Hardware Manual
FE1
fractional E1
FT1
fractional T1
FXO
foreign exchange office (analog subscriber side interface)
FXS
foreign exchange subscriber (analog exchange side interface)
GND
ground
h
hour(s)
HDLC
high level datalink control
HDB3
high density bipolar 3 zero substitution
Hz
Hertz
IEC
International electrotechnical commission
IEEE
Institute of electrical and electronic engineers
in
inch
IP
Internet protocol
IPv4
Internet protocol version 4
IPv6
Internet protocol version 6
ISDN
integrated services digital network
ISO
International Organization for Standardization
ISP
Internet service provider
ITTS
ITU Telecommunications Standardization Sector (formerly the CCITT)
ITU
International Telecommunication Union
K
1024
k
kilo (1000)
KB
kilo-byte (1024 bytes)
kb/s
kilo-bits per second
kHz
kilo-Hertz
km
kilometer
kW
kilo-Watt
LAN
local area network
LED
light emitting diode
LOF
loss of frame
LOS
loss of signal
LRE
long reach Ethernet
LS
loop start
LSB
least significant bit
m
meter
Summary of Contents for MX250
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