Telco jargon for 'continually' connected. A leased line modem is
Nailed-up. ADSL is considered Nailed-up. ISDN may or may not be
Nailed-up. When ISDN is Nailed-up is it considered
(Dial-up modems are not considered 'Nailed-up').
"NEBS is the most common set of safety, spatial and environmental design
guidelines applied to telecommunications equipment in the USA".
NEBS compliance is required for all equipment installed in Telephone
Company Equipments. NEBS specifications is controlled by
Telcordia Technologies Most
equipment must meet both the following:
- GR-63 NEBS Requirements: Physical
- GR-1089, Electromagnetic
Compatibility and Electrical Safety - Generic Criteria for Network
NIC (Network Interface Card) --
Usually, the card that installs into a personal computer that allows the
PC a route to a network. An Ethernet card is considered a type of NIC.
NOC (Network Operations
Center)-- The physical location that is
responsible for maintaining the network equipment. A NOC contains the
equipment that supplies the services to the customer.
NID (Network Interface Device)
-- A hardware device that is attached at
the customer premises that is the demarcation of ownership of wires and
equipment. Normally the Access provider or Telco owns the equipment to
the NID at which point the ownership transfers to the facilities owner.
Generally, any single access point (or computer)
that is connected to a network. See Also: Network , Internet , Intranet