Private Telecommunication Network (PTN); specification, functional models and information flows; name identification supplementary services; English version ETS 300237:1993
€77.20
Private Telecommunication Network (PTN); inter-exchange signalling protocol; name identification supplementary services; English version ETS 300238:1993
Information technology. Functional standard for profiles T/C31 and T/D31. Analogue telephone circuit. Leased (permanent) service (COTS + CONS)
€269.00
Information technology. Functional standard for profiles T/C32 and T/D32. Analogue telephone circuit. Dial-up (PSTN) (COTS + CONS)
Particular safety requirements for equipment to be connected to telecommunication networks
Private Telecommunication Network (PTN); signalling at the S-reference point; data link layer protocol; English version I-ETS 300169:1992
Private Telecommunication Network (PTN); specification, functional models and information flows; control aspects of circuit mode basic services; English version ETS 300171:1992
€98.32
Private Telecommunication Network (PTN); specification, functional models and information flows; identification supplementary services; English version ETS 300173:1992
Private Telecommunication Network (PTN); addressing; English version ETS 300189:1992
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus digital according CCITT Recommendation X.21 bis
€165.00
Apparatus for connection to private circuits run by certain public telecommunication operators. Specification apparatus digital with interfaces according CCITT G-series Recommendations G.703 services at 2048 kbit/s and 8448
€193.00
Apparatus for connection to private circuits run by certain public telecommunication operators. Specification apparatus digital with interfaces according CCITT G-series Recommendations G.703 64 kbit/s service using codirectional option
Composants électroniques - Câbles à circuits symétriques pour transmission à fréquences élevées - Spécification générique
€125.00
Composants électroniques. Câbles à 4, 8, et 12 paires pour le câblage des installations intérieures et de transmission de données.
€70.50
Composants électroniques - Câbles à 32, 64 et 128 paires pour le câblage des installations intérieures et de transmission de données
€53.50
