【正文】 六 車輛管理系統(tǒng) ............................................................................................................................................................ 44 系統(tǒng)概述 ............................................................................................................................................................................44 工程范圍 ............................................................................................................................................................................45 系統(tǒng)功能 ............................................................................................................................................................................46 4 主要設(shè)備技術(shù)參數(shù)說明 .......................................................................................................................................................47 產(chǎn)品授權(quán) ............................................................................................................................................................................50 七 無線對講系統(tǒng) .............................................................................................................................................................. 50 系統(tǒng)概述 ............................................................................................................................................................................50 工程范圍 ............................................................................................................................................................................51 主要設(shè)備技術(shù)參數(shù)說明 ............................................................................................................................................52 八 程控交換系統(tǒng) .......................................................................................................................................................... 55 系統(tǒng)概述 ............................................................................................................................................................................55 工程范圍 ............................................................................................................................................................................55 主要設(shè)備技術(shù)參數(shù)說明 ..................................................................................................................................................55 產(chǎn)品授權(quán) ............................................................................................................................................................................64 九 網(wǎng)絡(luò)通信系統(tǒng) .......................................................................................................................................................... 65 系統(tǒng) 概述 ............................................................................................................................................................................65 工程范圍 ............................................................................................................................................................................65 主要設(shè)備技術(shù)參數(shù)說明 ....................................................................................................................................................65 產(chǎn)品授權(quán) ..........................................................................................................................................................................73 十 背景音樂及緊急廣播系統(tǒng) .................................................................................................................................... 74 系統(tǒng)概述 ............................................................................................................................................................................74 工程范圍 ............................................................................................................................................................................74 4 主要設(shè)備技術(shù)說明 ............................................................................................................................................................75 產(chǎn)品授權(quán) ..........................................................................................................................................................................83 十一 電梯五方通話 ........................................................................................................................................................ 84 系統(tǒng)概述 ............................................................................................................................................................................84 產(chǎn)品授權(quán) ............................................................................................................................................................................84 十二 商業(yè) POS ............................................................................................................................................................... 85 系統(tǒng)概術(shù) ..........................................................................................................................................................................85 工程范圍 ..........................................................................................................................................................................85 主要設(shè)備技術(shù)參數(shù)說明 ..................................................................................................................................................85 產(chǎn)品授權(quán) ............................................................................................................................................................................87 十三 樓宇自控系統(tǒng) BA ...................................................................................................................................