2、2,縮略語,AC、Access,Control,List,訪問控制列表,BHCA.Busy,Hour Call.Attempts,忙時(shí)呼叫嘗試次數(shù)。ID、Identification、身份證明、IP Internet、Protocol、互聯(lián)網(wǎng)協(xié)議,LPZ.Lightning。Protection,Zone 雷電防護(hù)區(qū) MAC.Media。Access.Control.媒體控制訪問,MPLS.Multi.Protocol,Label,Switching.多協(xié)議標(biāo)簽交換、MSTP.Multi Service、Transmission,Platform,多業(yè)務(wù)傳送平臺(tái),NAT,Network,Address。Translation 網(wǎng)絡(luò)地址轉(zhuǎn)化 NTP.Network,Time,Protocol 網(wǎng)絡(luò)時(shí)間協(xié)議,OTDR,Optical.Time,Domain Reflector,光時(shí)域反射儀、PDH,Plesiochronous Digital、Hierarchy,準(zhǔn)同步數(shù)字系列,PTZ,Pan。Tilt,and,Zoom,control。云臺(tái)操控 PRBS,Pseudo Random Binary.Sequence,偽隨機(jī)二進(jìn)制序列。QoS Quality of、Service,系統(tǒng)服務(wù)質(zhì)量、SDH、Synchronous。Digital,Hierarchy。同步數(shù)字系列。STM,N Synchronous Transport.Module、level、n,同步傳輸模塊n級(jí)、UPS,Uninterruptible.Power。Supply。不間斷電源,VLAN,Virtual Local、Area。Network,虛擬局域網(wǎng),VPN Virtual,Private、Network,虛擬專用網(wǎng)