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ITU There are 5137 products.
ITU-T Q.152
ITU-T Q.152 End-of-pulsing conditions; Register arrangements concerning ST (end of pulsing) signal
$10.75 $25.00 -57%In StockITU-T Q.474
ITU-T Q.474 Termination of interregister signalling; Use of group B signals
$10.75 $25.00 -57%In StockITU-T F Supplement 1 II.4
ITU-T F Supplement 1 II.4 Definitions relating to telegraph, telematic and data transmission services
$10.75 $25.00 -57%In StockITU-T Q.252
ITU-T Q.252 Functional description of the signalling system; Signal transfer time definitions
$10.75 $25.00 -57%In StockITU-T Q.424
ITU-T Q.424 Protection against the effects of faulty transmission
$10.75 $25.00 -57%In Stock
