標準號：ISO 1155-1978
中文標準名稱：信息處理 用縱向奇偶校驗檢測信息電文中的差錯
英文標準名稱：Information processing - Use of longitudinal parity to detect errors in information messages
標準類型：L86
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：L86
國際標準分類號：35.020
適用范圍：Describes method for error detection in information messages by attaching one block check character to the transmitted information block (or text) and checking this character when it is received. Applicable to systems with 7-bit-coded character set according to ISO 646, and basic mode for implementing this 7-bit code in data communication systems according to ISO 1745. Conforms to rules for generating character paritity bits according to ISO 1117 that parity sense shall be odd in synchronous and even in anchroneous systems.