User`s guide
GL-1
5100-A2-GB22-00
December 1996
Glossary
Central Office.
Customer Premises.
Customer Premises Equipment. Terminal equipment supplied by either the customer or
some other supplier, which is connected to the telecommunications network.
Central Processing Unit.
Cyclic Redundancy Check. A commonly used method of error detection.
Digital Subscriber Loop. The non-loaded, local-loop copper connection between the
customer and the first node within the network.
A data signaling rate common outside the United States. A wideband interface operating at
2.048 Mbps defined by CCITT standards G.703 and G.704.
High-bit-rate Digital Subscriber Loop. Provides high bandwidth, bi-directional transmission
over copper wire for both T1 and E1 services.
Worldwide interconnected networks that predominantly use the TCP/IP protocol.
Local Area Network. A network that spans a small geographic area (e.g., a building).
Light Emitting Diodes. Indicators on a device that usually show the status of a component.
LEDs may have three states: blinking, on or off.
Media Access Control address. Virtual address that identifies a CP card for the central
office system.
Plain Old Telephone Service.
Rate Adaptive Digital Subscriber Loop.
Transmission Control Protocol/Internet Protocol. The predominant protocol in the
worldwide Internet.
A data signaling rate common in the United States. A term for a digital carrier facility used
to transmit a DS1 formatted signal of 1.544 Mbps.
CO
CP
CPE
CPU
CRC
DSL
E1
HDSL
Internet
LAN
LEDs
MAC Address
POTS
RADSL
TCP/IP
T1