Published Date: 11/01/1988

ELECTRICAL CHARACTERISTICS FOR SINGLE-CURRENT INTERCHANGE CIRCUITS USING OPTOCOUPLERS

$6

Published Date: 11/01/1988

REPÉRAGE DANS LES SYSTÈMES SUR PAIRES COAXIALES

$6

Published Date: 01/01/1993

Arrangements to Be Made for Controlling the Telephone Services between Two Countries

$6

Published Date: 10/01/2018

The structure of the testing of heterogeneous Internet of things gateways in a laboratory environment

$7.8

Published Date: 04/01/1999

$27

Published Date: 01/01/1992

Published Date: 01/01/1985

$19.5

Published Date: 03/01/2000

$20.4

Published Date: 01/01/1991

$7.5

Published Date: 01/01/1991

$28.5

ITU-T V.53 PDF

LIMITS FOR THE MAINTENANCE OF TELEPHONE-TYPE CIRCUITS USED FOR DATA TRANSMISSION