ADM — Add drop multiplexer

ADSL — Asymmetric digital subscriber line

A1S — Alarm indication signal

ATU-Ç — ADSL Termina] unit-central office

AfS — Automatic protection switching

ATU-R — ADSL Terminal unit-Remote office

CAP — Carrier amplitude and phase modulation

CiDSL — Consumer installable DSL

DCC — Data communication channel

DCS — Digital cross connect

DMT — Discrete multitone modulation

DS — Digital stream (signal)

DSL — Digital subscriber line

DWDM — Dense wavelength division multiplexing

DXC — Digital cross connect

EDFA — Erbium doped fiber amplifier

ETSI — European telecommunication standards institute

FCS — Frame check sequence

FDM — Frequency division multiplexing

FOTS — Fiber optic transmission system

HDSL — High bit rate digital subscriber line

IETF — Internet engineering task force

MDSL — Multirate DSL

OAM & P — Operation, Administrations, Maintenance and provisioning

OC-1 — Optical carrier level-1

OPTIS — Overlapped phase trellis-code interlocked spectrum

OWAD — Optical wavelength add/drop

OXC — Optical cross connect

PDH — Plesiochronous digital hierarchy

PPL — Passive photonic loop

PPP — Point to point protocol

QAM — Quadrature amplitude modulation

RADSL — Rate adaptive DSL

RDI — Remote deflect indication

SDH — Synchronous digital hierarchy

SDM — Space division multiplexing

SDSL — Symmetric digital subscriber line

SOH — Section over head

SONET — Synchronous optical network

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DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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