ITU-T I.431
Primary rate user-network interface – Layer 1 specification Amendment 1
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Organization: | ITU-T |
Publication Date: | 1 June 1997 |
Status: | active |
Page Count: | 6 |
Document History

ITU-T I.431
June 1, 1997
Primary rate user-network interface – Layer 1 specification Amendment 1
A description is not available for this item.

March 1, 1993
PRIMARY RATE USER-NETWORK INTERFACE – LAYER 1 SPECIFICATION
A description is not available for this item.