Signalling Protocols and Switching (SPS) - Q3 interface at the Access Network (AN) for configuration management of V5 interfaces and associated user ports - Part 1: Q3 interface specification; English version ETS 300376-1:1994
€145.14
Signalling protocols and switching (SPS) - Q3 interface at the Local Exchange (LE) for configuration management of V5 interfaces and associated customer profiles - Part 1: Q3 interface specification; English version ETS 300377-1:1994
€179.53
Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - Multiplexing structure; English version ETS 300147:1995
€41.78
Private Telecommunication Networks (PTN) - Terms and definitions; English version ETS 300415:1995
€56.17
Transmission and Multiplexing (TM) - Generic frame structures for the transport of various signals (including Asynchronous Transfer Mode (ATM) cells and Synchronous Digital Hierarchy (SDH) elements) at the CCITT Recommendation G.702 hierarchical rates of 2048 kbit/s, 34368 kbit/s and 139264 kbit/s; English version ETS 300337:1995
€63.27
Distribution automation using distribution line carrier systems - Part 3: Mains signalling requirements; section one: Frequency bands and output levels (IEC 57/226/CD:1995)
Transmission and Multiplexing (TM) - Availability performance of path elements of international digital paths; English version I-ETS 300416:1995
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call intrusion supplementary service; English version ETS 300425:1995
€173.74
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call intrusion supplementary service; English version ETS 300426:1995
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Supplementary service interactions; English version ETS 300427:1995
€116.64
High-level data link control (HDLC) procedures - ITU-T X.25 LAPB-compatible data link procedures for data terminal equipment; identical with ISO/IEC 7776:1995
€140.00
Terminal strips with insulation displacement contacts for telecommunication systems - Part 2: Requirements, test
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Circuit mode basic services [ISO/IEC 11572 (1994), modified]; English version ETS 300172:1995
€77.20
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Name identification supplementary services [ISO/IEC 13868 (1995), modified]; English version ETS 300238:1995
€34.30
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Generic functional protocol for the support of supplementary services [ISO/IEC 11582 (1995), modified]; English version ETS 300239:1995