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g703sum.txt
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1994-11-03
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INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : G.703
Title : Physical/electrical characteristics of hierarchical digital
interfaces
Study Group : XV - Transmission Systems and Equipment
Version : Revised
Date of adoption : 1991
Notes :
The purpose of Recommendation G.703 is to give the interface
specifications necessary to enable the interconnection of digital
network components (digital sections, multiplex equipments, exchanges)
to for an international digital link.
Recommendation G.703 sets out the principles applicable to the
interfaces at 64, 1 544, 6 312, 8 448, 32 604, 34 368, 97 728, 139,
264 and 155 520 kbit/s as well as to the 2 048 kHz synchronisation
interface.
To order the complete text of this Recommendation, please use the
Order Form for ITU-T Recommendations. An electronic version of this
form is available on ITUDOC (Winword: UPI=ITU-5265; ASCII: UPI=ITU-2488).