光纖通信系統(tǒng)的細節(jié)-中英版
多路復(fù)用器將故障信息提供給TMN。
承包商負責(zé)項目的各種設(shè)備之間的全部連接作業(yè)。
承包商負責(zé)供應(yīng)全部適合的信號傳輸設(shè)備的通過輸送，保證指定的傳輸媒介擁有合格的操作。
承包商也負責(zé)重新安排現(xiàn)有和/或在各種各樣的場所提供并安裝新電纜，根據(jù)需要，完成全部電信電路。
48 V充電器提供電力。
提供全部必要軟件和編程工具，以及提供設(shè)備的配套和維修。
6.7.1.光纖設(shè)備
(1). 總則
除相關(guān)部分里指定的光纜地線(OPGW)以外，承包商要求提供變電站區(qū)域內(nèi)全部纖維光纜包括在別處指定的詳細的全部要求的終端設(shè)備的電信功能。電纜和終止設(shè)備的描述在投標(biāo)文件中。
作為一個最小量，描述說明包括全部相關(guān)的信息(包括玻璃制造商，纖維等級，光學(xué)特性，電纜構(gòu)造和機械說明)。
全部光纖的安裝視為合同的一部分，在最后驗收后保證有至少30 年使用壽命。
(2). 光纖的接近電纜/地下電纜
提供36單模光導(dǎo)纖維的松散或者緊的緩沖類型光導(dǎo)纖維接近電纜 (OFAC)。光纖的接近電纜完全適于電纜管內(nèi)和電纜托架上直接埋線。電纜包括抗拉部件，纖維支持/固定結(jié)構(gòu)，核心包裹/固定，粗化和全部防滲外殼。不允許在兩端頭之間的接近電纜有任何中間連接部分。 電纜套附有防止嚙齒動物攻擊附加裝置。
光纖的接近電纜的最小外套厚度為3.0毫米并滿足下列要求：
? 防火以及無酸氣體釋放。
? 防紫外變質(zhì)，
? 防潮侵入，以及
OPGW的全部其它要求。
OFAC引入75毫米直徑的HOPE管安置在電纜管溝。投標(biāo)人必須提交牽引說明，包括最小彎曲半徑，電纜管溝和電纜托架和全部拼接和終端的施工由承包商負責(zé)。 管材的供應(yīng)由承包商負責(zé)。
(3). 調(diào)度塞繩
調(diào)度塞繩用于各自的光學(xué)終端設(shè)備接近電纜之間的相互聯(lián)系。光導(dǎo)纖維的調(diào)度塞繩的和接近電纜采用熔合搭接并使用獲準(zhǔn)類型的接線盒進行保護。 插入損耗不超過0.5分貝并且回波損耗不超過35分貝。光導(dǎo)纖維設(shè)備承包商負責(zé)建議光學(xué)的設(shè)備的光學(xué)連接器類型。 帶有光學(xué)連接器，接線盒和可彎曲的波紋管的調(diào)度塞繩右OFAC制造商負責(zé)供貨。
(4). 接合分線箱
與IP55相符的OPGW/OPGW屏蔽線電纜分線箱包括全部必要硬件，終端，保護裝置和36條接合纖維，以及無須在變電站龍門架上的塔建筑物上進行任何鉆洞作業(yè)的合適壓板。與IP55相符的OPGW/OFAC 終端電纜分線箱、包括全部必要硬件，終端，保護和72條接合纖維，以及無須在變電站龍門架上的塔建筑物上進行任何鉆洞作業(yè)的合適壓板。
通訊室里的分配架/ 終端分線盒采用獨立式， 防害蟲，IP55等級的保護措施，采用熱鍍鋅鋼。 包括所有必要硬件、終端、保護和OFAC接頭、調(diào)度塞繩、接續(xù)用銅線等等，必須給設(shè)備分配不同的電纜夾具位置并適于全部類型的電纜。
6.7.2.光纖終端
(1). 總則
相同設(shè)備作為終端使用，通過連接 (轉(zhuǎn)變，中繼器)和光傳輸結(jié)合模件的多路復(fù)用器�？赡軙l(fā)生音頻信道和數(shù)據(jù)信號點對多點功能的討論。 設(shè)備具有完全標(biāo)準(zhǔn)化的設(shè)計，采用9英寸單個基架作為基礎(chǔ)。
Details of optical fiber communication system
Multiplexer fault information provided to TMN.
Contractor is responsible for all the connections between various devices.
Contractor is responsible for the supply by transmission of all suitable for signal transmission equipment, to ensure that the specified transmission medium has qualified operation.
Contractor is also responsible for rearranging existing and/or in a variety of places to provide and shall install the new cable according to the needs and complete telecommunication circuit.
48 V battery charger.
Provide all the necessary software and programming tools, and to provide supporting and maintenance of the equipment.
6.7.1. Optical fiber devices
(1). General
In addition to the specified in the relevant part of the optical cable ground wire (OPGW), substation area all fiber optic cable is required for the contractor including all requirements specified in detail elsewhere telecommunications terminal equipment function. Cable and termination equipment requirements shall be described in the tender documents.
As a minimum, description includes all relevant information (including glass manufacturers, fiber grade, optical properties, cable structure and mechanical).
Installation of all optical fiber as part of a contract shall be prepared after the final acceptance guarantee the service life of at least 30 years.
(2). Close of the fiber cable/underground cable
Provide 36 single-mode optical fiber loose or tight buffer type optical fiber (OFAC) close to the cable. The close of the fiber cable is completely suitable for embedded wire directly on cable pipe and cable tray. Cable including tensile parts, fiber support/fixed structure, core packages/fixed, coarsening and complete seepage control case. Not allowed in the middle of the close to the cable between the two end any connection parts. Cable box attached to prevent rodents against attachment.
Close of the fiber cable minimum coat thickness is 3.0 mm and meet the following requirements:
? Fire protection and free of acid gas release.
? Prevent ultraviolet metamorphism,
? Moisture intrusion, and
All other requirements of OPGW.
OFAC introduction of 75 mm diameter HOPE tube placed in cable trench. The bidder must submit drawing instructions, including the minimum bending radius, cable trench and cable bracket and all the stitching and terminal construction shall be the responsibility of the contractor. The supply of pipe shall be the responsibility of the contractor.
(3). Patch cord
Patch cord close to their respective optical terminal equipment used in cable between interconnected. Fiber optic patch cord and close to the cable with the fusion of lap to types of junction box and used for protection. Insertion loss is less than 0.5 db and return loss is not more than 35 db. Fiber optic equipment the contractor is responsible for the optical devices of optical connector type. Containing optical connector, terminal block, and flexible bellows patch cord right OFAC manufacturer is responsible for the delivery.
(4). Junction box
Match the IP55 OPGW/OPGW shielded wire cable branch box, including all the necessary hardware, terminals, protection and 36 joint fiber, and need not on the substation gantry tower structures on the right clamp any drill hole operations. Consistent with IP55 OPGW/OFAC terminal cable branch box, including all the necessary hardware, terminals, protect and 72 joint fiber, and need not on the substation gantry tower structures on the right clamp any drill hole operations.
Communications room distribution frame/terminal distribution box USES the independent type, prevent pests, IP55 protection grade, using hot dip galvanized steel. Including all the necessary hardware, terminals, protection and OFAC joint, patch cord, succeeded with copper wire and so on, must give equipment distribution at different positions of cable clamp and suitable for all types of cable.
6.7.2. Optical fiber terminal
(1). General
The same equipment used as a terminal, by connecting (shift, Repeaters) and optical transmission multiplexer module. Audio channel could occur and the function of data signal point to multipoint discussion. Equipment has completely standardized design, 9 inches single pedestal as the foundation.
2014.6.2