ITU-T - M.555
Bringing International Digital Blocks, Paths and Sections into Service - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp
inactive, Most Current
| Organization: | ITU-T |
| Publication Date: | 1 January 1989 |
| Status: | inactive |
| Page Count: | 5 |
Document History
M.555
January 1, 1989
Bringing International Digital Blocks, Paths and Sections into Service - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp
A description is not available for this item.