Adtran 1200070L1 Uživatelský manuál stáhnout pdf (Strana 173)

Glosssary

61200.070L1-1 Express XL/XLT User Manual 157

U-interface

A twisted pair subscriber loop that connects the NT1 reference point to the

ISDN network, as defined in the I.411 Recommendation. This interface pro-

vides Basic Rate Access with an operating frequency of 160 kbps and an infor-

mation rate of 144 kbps. Under U.S. regulations, this also marks the line of

demarcation between customer-owned equipment and the public network.

ZIP

Zone Information Protocol. The AppleTalk session-layer protocol used to

maintain and discover the internet-wide mapping of network number ranges

to zone names.

Zombie Routes

Routes that have been identified by the router to be deleted. They remain in

the router’s route table for a specified amount of time with an infinite metric

so that all other routers will learn of this router’s intention to delete them.

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