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NFPA (Fire) 34
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ITU There are 3934 products.
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ITU-T Q.20
ITU-T Q.20 Comparative advantages of 'in-band' and 'out-band' systems
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ITU-T G.792
ITU-T G.792 Characteristics common to all transmultiplexing equipments
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ITU-T Q.116
ITU-T Q.116 Indication given to the outgoing operator or calling subscriber in case of an abnormal condition
$10.00 $25.00 -60%In Stock -
ITU-T S.11
ITU-T S.11 Use of start-stop reperforating equipment for perforated tape retransmission
$10.00 $25.00 -60%In Stock -
ITU-T J.42
ITU-T J.42 Characteristics of equipment for the coding of analogue medium quality sound-programme signals for transmission on 384-kbit/s channels
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ITU-T I.231.3
ITU-T I.231.3 Circuit-mode bearer service categories : Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for 3.1 kHz audio information transfer
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ITU-T R.74
ITU-T R.74 Choice of type of telegraph distortion-measuring equipment
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ITU-T K.8
ITU-T K.8 Separation in the soil between telecommunication cables and earthing system of power facilities
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ITU-T Q.25
ITU-T Q.25 Splitting arrangements and signal recognition times in 'in-band' signalling systems
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