Apparatus for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface-General requirements
通过2048 kbit/s CCITT建议G.703接口使用2号数字接入信令系统(DASS 2)连接到公共电信系统的设备 一般要求
This new edition is published to maintain alignment with developments in the UK liberalized telecommunications environment, in particular to re-align with the network service presentation defined in BTNR 190.Cross References:91/263/EECBS ISO/IEC 3309:1993BS EN 122120:1996PD 7004:1995BS 7378DASS 2 (BTNR 190 Issue 2:1992)SIN 206 (BT ISDN 30:1994)Telecommunications Act 1984CCITT Yellow Book 1980CCITT Recommendation V.3CCITT Red Book 1984CCITT Recommendation G.703CCITT Recommendation G.711CCITT Recommendation O.162CCITT Recommendation O.171