用于数据终端设备（DTE）和数据电路终端设备（DCE）或并行自动呼叫设备（ACE）之间的接口。交叉引用:ISO 261ISO 8480IEC 50（581）IEC 807-2CCITT建议S.16CCITT建议V.10CCITT建议V.11CCITT建议V.19CCITT建议V.20CCITT建议V.21CCITT建议V.22CCITT建议V.22CCITT建议V.23CCITT建议V.24CCITT建议V.25CCITT建议V.25CCITT建议V.26CCITT建议V.26比西特建议V.26特西特建议V。 建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议V.建议X.24

For interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) or parallel automatic calling equipment (ACE).Cross References:ISO 261ISO 8480IEC 50(581)IEC 807-2CCITT Recommendation S.16CCITT Recommendation V.10CCITT Recommendation V.11CCITT Recommendation V. 19CCITT Recommendation V.20CCITT Recommendation V. 21CCITT Recommendation V.22CCITT Recommendation V. 22 bisCCITT Recommendation V.23CCITT Recommendation V.24CCITT Recommendation V.25CCITT Recommendation V. 25 bisCCITT Recommendation V.26CCITT Recommendation V.26 bisCCITT Recommendation V.26 terCCITT Recommendation V.27CCITT Recommendation V.27 bisCCITT Recommendation V.27 terCCITT Recommendation V.28CCITT Recommendation V.29CCITT Recommendation V.31CCITT Recommendation V.31 bisCCITT Recommendation V. 32CCITT Recommendation V.33CCITT Recommendation V. 35CCITT Recommendation V.36CCITT Recommendation V. 37CCITT Recommendation X.20CCITT Recommendation X. 20 bisCCITT Recommendation X.21 bisCCITT Recommendation X.24