通信設(shè)施施工圖設(shè)計(jì)說明

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9、C9!)De:;v2abN/J-mW!m 1w9K2Mbit/s LMa2.048Mbit/s L;3M2.048Mbit/s N$3aJ ITU-T G.703 dOKN37ZN3b,qr CISPR22 A uHNWP6KJ2.048Mbit/sQ50ppm3qr IEC1000-4 5HN9P.RSJHDB34.2 qrstuv=f1p? V.24 v V.35pfOLTp/eTPF:;I!qLUi9:fONUp/+,;IKtwFG STM-4 t 4Y,KtZovnoS9J600/1200/2400/4800/9600/19200bit/sxU/sUVPcQ+*1R?Zp$A/#$B-

10、.9h,KS9J48K/56K/64Kbit/sf2p!)3v#$Ey +,KS9Jn64Kbit/s(n=2,3,6,8,16,30)OLT Cq1=STZ?78MS DLC ST,BJXY ISDN 2B+D l ,Ka3通信設(shè)施X.25 接口板提供 X.25 的用戶接口通信站為系統(tǒng)數(shù)據(jù)、圖像各提供一個(gè) 10/100M 的傳輸通道，把數(shù)據(jù)、圖像2Mbit/s 接口的特性應(yīng)符合ITU-T G.703,75 歐姆方案直接上傳至祿峒通信分中心。64Kbit/s 接口應(yīng)符合 ITU-T G.703 建議（5）系統(tǒng)抖動(dòng)特性應(yīng)符合 ITU-T G.823 建議在祿峒通信管理分中心設(shè)置綜合業(yè)務(wù)接入網(wǎng)系統(tǒng)

11、， 由祿峒通信管理分中心對(duì)本模擬接口路段綜合業(yè)務(wù)接入網(wǎng)系統(tǒng)進(jìn)行和管理。模擬接口應(yīng)符合 ITU-T G.712 建議4. 3 光纜線路（1） 光纖、光纜的選型適用場(chǎng)合： 室內(nèi)容量：128 1024 線， 采用 1:4 集線比可擴(kuò)容到 4096 線單模光纖與多模光纖相比， 在傳輸性能上有許多優(yōu)點(diǎn)：傳輸損耗小， 傳輸頻帶寬，輸入電壓：220V20% AC傳輸信號(hào)性能好， 誤碼率低，適于高碼速、長距離的傳輸。從高等級(jí)公路信息傳輸和綜工作電壓：-40V-57V DC合業(yè)務(wù)接入網(wǎng)需要考慮，高等級(jí)公路干線傳輸應(yīng)選用單模光纖。電池要求： 市電斷電后可維持工作 8 小時(shí)以上；本高速公路的通信管道采用 40/33

12、 硅芯管， 因此，光纜應(yīng)選用適于管道敷設(shè)的光靜態(tài)功耗：1A（ 單機(jī)架）；纜。高等級(jí)公路對(duì)光纜的結(jié)構(gòu)、工藝沒有特殊的要求， 但其技術(shù)指標(biāo)應(yīng)符合國際和國內(nèi)動(dòng)態(tài)功耗：1A（ 單機(jī)架）；郵電部的要求。運(yùn)行功耗：2A（ 單機(jī)架）（2） 光纖分配工作溫度：0+45；根據(jù)對(duì)各種業(yè)務(wù)傳輸需求和傳輸方式的分析，本高速路段主干線采用 36 芯光纜，作相對(duì)濕度：20%85%；為干線和接入網(wǎng)傳輸使用， 保證光纜預(yù)留芯數(shù)不少于 8 芯，為今后系統(tǒng)擴(kuò)容、升級(jí)留有配線功能： 提供一般配線功能；充分的發(fā)展空間。（4） 數(shù)據(jù)接口要求另外，系統(tǒng)及隧道機(jī)電系統(tǒng)的各種業(yè)務(wù)的傳輸單獨(dú)敷設(shè)光纜， 單獨(dú)敷設(shè)根據(jù)設(shè)數(shù)據(jù)、圖像信道備的布設(shè)情況

13、， 分別敷設(shè) 64 芯、24 芯、8 芯、4 芯光纜。通信系統(tǒng)為祿峒、果把、三合、那坡、那桑省界主線收（3） 光纖、光纜的主要技術(shù)要求費(fèi)站、云南省界主線的數(shù)據(jù)、圖像全部上傳至祿峒管理分中心站提供各提供a. 光纖一個(gè) 10/100M 的傳輸通道；為祿峒通信管理分中心提供一個(gè) 10M， 一個(gè) 100M 的數(shù)據(jù)、光纜中的光纖應(yīng)是高質(zhì)量的硅單模光纖， 每根光纖應(yīng)可通過色碼識(shí)別在光纜中的位圖像通道， 與廣西通信管理總中心連接。置；顏色應(yīng)容易分辨， 在光纜工作期間不應(yīng)受影響或腐蝕。數(shù)據(jù)、圖像信道單模光纖的技術(shù)規(guī)范應(yīng)符合 ITU-T G.652（ 藍(lán)皮書） 建議。4*701DE#$3 8B9631310nm

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