IEEE Recommended Practice for Parameters to Characterize Digital Loop Performance
€51.00
Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using Digital Access Signalling System No.2 (DASS 2)
€269.00
Apparatus for connection to private circuits run by certain public telecommunication operators. Specification apparatus digital according CCITT Recommendation X.21 bis
€165.00
Specification for visual indicator lamps for use in telephone and telegraph switchboards and for allied purposes
This product is not for sale, please contact us for more information
Specification for electric lamps for railway signalling
Visual indicator lamps
Ceramic materials for telecommunication and allied purposes.
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE), V5.2 interface for the support of Access Network (AN) - Part 1: V5.2 interface specification; English version ETS 300347-1:1994
€229.44
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE), V5.2 interface for the support of Access Network (AN) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma; English version ETS 300347-2:1994
€91.03
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
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (AN side); English version ETS 300324-3:1995
€128.22
