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1、 ZTE SDH各类光板参数等级速率光接口类型激光器类型波长(nm)最大发光功率(dBm)最小发光功率(dBm)接收机灵敏度(dBm)光通道代价(db)接收机过载光功率(dBm)传输距离理论最小值(KM)传输距离理论最大值(KM)STM-1155MS_1.1MLM1310-8-15-281-826.1945.00L_1.1MLM13100-5-341-1064.2980.00L_1.2SLM15500-5-341-10100.00128.00STM-4622MS_4.1MLM1310-8-15-281-826.1945.00L_4.1SLM13102-3-281-854.7670.00L_4.
2、2SLM15502-3-281-885.19112.00STM-162.5GS_16.1SLM13100-5-181026.1940.00L_16.1SLM13103-2-281-854.7672.50L_16.2SLM15503-2-282-885.19112.00L_16.2JESLM-ILM155052-291-9100.00120.00STM-6410GS_64.2bEA-ILM15502-1-142-137.0452.00L_64.c1EA-ILM15502-2-282-962.9676.00L_64.c2EA-ILM155063-282-981.48100.00L_64.2pEA-
3、ILM15500-5-282-322.2244.00一衰减限制传输距离衰减限制的再生段距离计算应采用ITUT建议G.691最坏值法,投标方应根据所供设备的性能,给出各种光卡类型衰减限制的再生段距离计算公式与实例。(参考公式及参数取值如下)L其中:L衰减受限再生段长度(km);PsS(MPIS)点寿命终了时的光发送功率(dBm);PrR(MPIR)点寿命终了时的光接收灵敏度(dBm);BER1012;Pp最大光通道代价(dB),一般取2dB;S(MPIS),R(MPIR)点间活动连接器损耗之和(dB);Af光纤平均衰减系数(dB/km),对于1310nm窗口,一般取0.37,对于1550nm窗口
4、,一般取0.22;As光纤固定熔接接头平均损耗(dB/km)工程中取0.010.02dB/km;Mc光缆富余度(dB/km)一般为0.020.03 dB/km。实例:STM-1 最差条件计算S_1.1 L -15-(-28)-1-(0.5+0.5)/(0.37+0.02+0.03)=26.19(KM)最优条件计算S_1.1 L -8-(-28)-1-(0.5+0.5)/(0.37+0.01+0.02)=45.00(KM)最差条件计算L_1.1 L -5-(-34)-1-(0.5+0.5)/(0.37+0.02+0.03)=64.29 (KM)最优条件计算L_1.1 L 0-(-34)-1-(0
5、.5+0.5)/(0.37+0.01+0.02)=80.00( KM)最差条件计算L_1.2 L -5-(-34)-1-(0.5+0.5)/(0.22+0.02+0.03)=100.00 (KM)最优条件计算L_1.2 L 0-(-34)-1-(0.5+0.5)/(0.22+0.01+0.02)=128.00( KM)实例: STM-4 最差条件计算S_4.1 L -15-(-28)-1-(0.5+0.5)/(0.37+0.02+0.03)=26.19(KM)最优条件计算S_4.1 L -8-(-28)-1-(0.5+0.5)/(0.37+0.01+0.02)=45.00(KM)最差条件计算L
6、_4.1 L -3-(-28)-1-(0.5+0.5)/(0.37+0.02+0.03)=54.76 (KM)最优条件计算L_4.1 L 2-(-28)-1-(0.5+0.5)/(0.37+0.01+0.02)=70.00( KM)最差条件计算L_4.2 L -3-(-28)-1-(0.5+0.5)/(0.22+0.02+0.03)=85.19 (KM)最优条件计算L_4.2 L 2-(-28)-1-(0.5+0.5)/(0.22+0.01+0.02)=112.00( KM)实例: STM-16 最差条件计算S_16.1 L -5-(-18)-1-(0.5+0.5)/(0.37+0.02+0.
7、03)=26.19(KM)最优条件计算S_16.1 L 0-(-18)-1-(0.5+0.5)/(0.37+0.01+0.02)=40.00(KM)最差条件计算L_16.1 L -2-(-28)-1-(0.5+0.5)/(0.37+0.02+0.03)=57.14(KM)最优条件计算L_16.1 L 3-(-28)-1-(0.5+0.5)/(0.37+0.01+0.02)=72.50( KM)最差条件计算L_16.2 L -2-(-28)-2-(0.5+0.5)/(0.22+0.02+0.03)=85.19(KM)最优条件计算L_16.2 L 3-(-28)-2-(0.5+0.5)/(0.22
8、+0.01+0.02)=112.00( KM) 最差条件计算L_16.2JE L 2-(-28)-2-(0.5+0.5)/(0.22+0.02+0.03)=100.00 (KM)最优条件计算L_16.2JE L 5-(-28)-2-(0.5+0.5)/(0.22+0.01+0.02)=120.00( KM)实例: STM-64 最差条件计算S_64.1 L -1-(-14)-2-(0.5+0.5)/(0.22+0.02+0.03)=37.04(KM)最优条件计算S_64.1 L 2-(-14)-2-(0.5+0.5)/(0.22+0.01+0.02)=52.00(KM)最差条件计算L_64.2
9、c1 L -2-(-22)-2-(0.5+0.5)/(0.22+0.02+0.03)=62.96 (KM)最优条件计算L_64.2c1 L 2-(-22)-2-(0.5+0.5)/(0.22+0.01+0.02)=76.00( KM)最差条件计算L_64.2c2 L 3-(-22)-2-(0.5+0.5)/(0.22+0.02+0.03)=81.48 (KM)最优条件计算L_64.2c2 L 6-(-22)-2-(0.5+0.5)/(0.22+0.01+0.02)=100.00( KM) 最差条件计算L_64.2p L -5-(-14)-2-(0.5+0.5)/(0.22+0.02+0.03)
10、=22.22 (KM)最优条件计算L_64.2p L 0-(-14)-2-(0.5+0.5)/(0.22+0.01+0.02)=44.00( KM)说明:L-16.2P 的光源为特定波长,波长为 1550.12nm,在与置 OPA 配合时只能采用 L-16.2P。二色散受限传输距离理论计算色散受限距离计算应采用ITU-T建议的最坏值计算方法。(参考公式及参数取值如下)L其中:L色散受限再生段长度(km);DmaxS(MPIS),R(MPIR)间设备允许的最大总色散值(ps/nm);D光纤色散系数(ps/nmkm)。 10G光板中S_64.2b色散容限为800ps/nm,L-64.2c1 L-64.2c2 L-64.2p色散容限为1600ps/nm。G.652光纤的色散系数一般取18ps/(nmkm): S_64.2b L=800/18=44.44km L-64.2c1 L-64.2c2 L-64.2p L=1600/18=88.89km G.655光纤的色散系数一般取6ps/(nmkm): S_64.2b L=800/6=133.33km L-64.2c1 L-64.2c2 L-64.2p L=1600/6=266.67km由于其他类型光板色散容限较大,色散不做要求。Word资料