ITU G.325:1988
ITU G.325:1988 General Characteristics Recommended For Systems Providing 12 Telephone Carrier Circuits On A Symmetric Cable Pair [(12+12) Systems]
Table of Contents
1Frequencyspectrumtransmittedtoline2Line-regulatingpilots
3Hypotheticalreferencecircuitfor(12+12)
symmetric-pairsystem
4Designobjectivesforcircuitnoise
5Erroronthereconstitutedfrequency
6Directlineinterconnection
7Interconnectioninamainstation
8Essentialclausesforamodelspecification