Paradyne 317x E1 manual block allocation method

Models: 317x E1

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block allocation method

ACCULINK 317x E1 DSU/CSU

bit

Binary digit. The smallest unit of information, representing a choice between a one

 

or a zero (sometimes called mark or space).

block allocation method

A method of allocating DS0 channels as a group rather than individually.

BNC

Bayonet-Neill-Concelman. A bayonet-type connector for coaxial cables.

bps

Bits per second. Indicates the speed at which bits are transmitted across a data

 

connection.

BPV

Bipolar Violation. In a bipolar signal, a ªoneº (mark, pulse) which has the same

 

polarity as its predecessor.

byte

A small group of bits (usually 8) that is handled as a unit of data.

CCITT

The International Consultative Committee for Telegraphy and Telephony. A

 

committee established to recommend communication standards and policies.

CD

Carrier Detect. The received line signal detector. V.24 circuit 109.

cell site

A facility that provides the equipment needed to establish wireless communication

 

links.

CEPT

The European Conference of Postal and Telegraph Authorities. A European

 

standards organization.

channel

An independent data path.

channel allocation

Assigning specific DS0 channels in the E1 DSU/CSU to specific interfaces

 

(Network, DTE Drop/Insert, etc.).

CHAP

Challenge Authentication Protocol.

character

A letter, figure, number, punctuation, or other symbol.

CID branch

Customer Identification branch or the E1 DSU/CSU menu tree.

client

A device that receives a specific service, such as database management, from a

 

server.

CLOCK IN interface

The external clock interface on the E1 DSU/CSU.

ClrReg branch

Clear Performance Registers branch of the E1 DSU/CSU menu tree.

Cnfig branch

Configuration branch of the E1 DSU/CSU menu tree.

coaxial cable

A transmission cable consisting of a conducting outer tube which encloses and is

 

insulated from an inner conducting core.

coding

A technique used to accommodate the ones density requirements of E1 lines.

COMCODE

A code used when ordering parts.

COM port

The communications port on the E1 DSU/CSU.

community name

An identification used by SNMP to grant an SNMP server access rights to a MIB.

configuration

The arrangement of a system or network as defined by the characteristics of its

 

functional units.

configuration option

Device firmware that establishes specific operating parameters for the device.

 

Sometimes referred to as straps.

CPU fail

Central Processing Unit failure. A Self-Test Health message indicating a failure in

 

the device's central processing unit.

CRC

Cyclic Redundancy Check. A mathematical method of confirming the integrity of

 

received digital data.

CRC4

CRC using four check bits.

CRC5

CRC using five check bits.

Glossary-2

December 1996

3170-A2-GB20-20

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Paradyne 317x E1 manual block allocation method