Installation guide
Glossary
GL-17
Cisco 6260 Hardware Installation Guide
OL-2365-02
IMA
inverse multiplexing over ATM. A standard protocol defined by the ATM Forum in 1997.
IMA control
protocol cell
See ICP cell.
IMA group
Physical links grouped to form a higher-bandwidth logical link the rate of which is approximately the
sum of the individual link rates.
industrial
temperature
See ITEMP.
Institute of Electrical
and Electronics
Engineers
See IEEE.
Integrated Services
Digital Network
See ISDN.
intermixing
Installation of line cards with different modulation types into a single DSLAM. Intermixing rules are
determined by spectral frequency overlap considerations, chassis type, and line card modulation type.
International
Organization for
Standardization
See ISO.
International
Telecommunication
Union
Telecommunication
Standardization
Sector
See ITU-T.
inverse multiplexing
Process whereby physical links are grouped to form a higher-bandwidth logical link whose rate is
approximately the sum of the individual link rates.
inverse mutliplexing
over ATM
See IMA.
ISDN
Integrated Services Digital Network. Communication protocol offered by telephone companies that
permits telephone networks to carry data, voice, and other source traffic.
ISDN digital
subscriber line
See IDSL.
ISO
International Organization for Standardization. A voluntary, nontreaty organization founded in 1946
that is responsible for creating international standards in many areas, including computers
and communications.
ITEMP
industrial temperature.
ITU-C
See xTU-C.