V interfaces at the digital Local Exchange (LE) - V5.2 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)
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)
V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network layer (AN side) (incl. Diskette!!!)
Telecommunications Management Network (TMN) - Q3 interface at the Local Exchange (LE) for fault and performance management of V5 interfaces and associated customer profiles - Part 1: Q3 interface specification
V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 1: V5.2 interface specification (incl. Diskette!!!)
V interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 8: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the data link layer (incl. Diskette!!!)
V interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network layer (LE side) (incl. Diskette!!!)