Digital cellular telecommunications system (Phase 2+) - Mobile Station (MS) conformance specification - Part 1: Conformance specification (GSM 11.10-1 version 8.1.1 Release 1999)
Information technology; data communication; 25-pole DTE/DCE interface connector and contact number assignments; amendment 1: interface connector and contact assignments for a DTE/DCE interface for data signalling rats above 20000 bit/s— 5 стр.
