Verilink AS2000: The Basics (880-502981-001) Product Manual Uživatelský manuál stáhnout pdf (Strana 154)

Acronyms and Definitions

Glossary-34 Verilink Access System 2000: Basics

near-end This refers to a circuit element that

is accessed locally (that is, does

not require the facility data link).

See also far-end.

network An interconnected group of nodes

linked by transmission lines (or

circuits).

network density Option used to ensure sufficient

pulse density. Applicable only to

alternate mark inversion

(AMI)

line coding. In

B8ZS

, the

net density should be set to

“none”.

network initiated loopback A diagnostic test in which an

NSP

establishes a line loopback at the

end-user’s CSU. Used to check the

integrity of the NSP line.

network interface (NI) The demarcation point between

network and customer installed

equipment.

network management system (NMS) A tool for configuring network

devices and monitoring network

performance, typically an

Simple

Network Management Protocol

(SNMP)

-based tool.

network port The physical connector on an

application module, providing

network connectivity.

network service provider (NSP) Usually a telephone company that

provides the network lines and

equipment.

Network-to-Network Interface (NNI) In frame relay networks, the

standardized procedure for users

and networks to provision PVCs

end-to-end

NI See

network interface (NI)

NIM Node Interface Module. Rear

connector interface module (CIM)

for a Node Controller Module (NCM

2000).

NMS See

network management

system (NMS)

and

Node

Manager

NNI See

Network-to-Network

Interface (NNI)

no flow control ASCII terminal setting in which

neither RTS nor X-on/X-off is being

used to throttle the flow of data.

This setting is required for use

with all Verilink Craft interfaces.

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