G.657.A2光纖技術指標 | ||||
特性 | 條件 | 數據 | 單位 | |
光學特性 | ||||
衰減 | 1310nm | ≤0.35 | [dB/km] | |
| 1383nm(氫老化后) | ≤0.35 | [dB/km] | |
| 1460nm | ≤0.25 | [dB/km] | |
| 1490nm | ≤0.23 | [dB/km] | |
| 1550nm | ≤0.21 | [dB/km] | |
| 1625nm | ≤0.23 | [dB/km] | |
相對波長的衰減變化 | 1310nm | 1285-1330nm | ≤0.03 | [dB/km] |
1550nm | 1525-1575nm | ≤0.02 | [dB/km] | |
零色散波長 |
| 1300~1324 | [nm] | |
零色散斜率 |
| ≤0.092 | [ps/nm2·km] | |
偏振模色散系數(PMD) |
|
|
| |
單根光纖最大值 |
| ≤0.2 | [ps/ ] | |
光纖鏈路值(M=20, Q=0.01%) |
| ≤0.1 | [ps/ ] | |
典型值 |
| 0.04 | [ps/ ] | |
光纜截止波長λcc |
| ≤1260 | [nm] | |
模場直徑(MFD) | 1310nm | 8.4~9.2 | [um] | |
| 1550nm | 9.3~10.3 | [um] | |
有效群折射率 | 1310nm | 1.466 |
| |
| 1550nm | 1.467 |
| |
衰減不連續性 | 1310nm | ≤0.05 | [dB] | |
| 1550nm | ≤0.05 | [dB] | |
幾何特性 | ||||
包層直徑 |
| 125.0±0.7 | [um] | |
包層不圓度 |
| ≤0.7 | [%] | |
涂層直徑 |
| 245±5 | [um] | |
涂層/包層同心度誤差 |
| ≤12.0 | [um] | |
涂層不圓度 |
| ≤6.0 | [%] | |
芯/包層同心度誤差 |
| ≤0.5 | [um] | |
翹曲度(半徑) |
| ≥4 | [m] | |
交貨長度 |
| 2.1到50.4 | [km/盤] | |
環境特性 (1310nm,1550nm和1625nm) | ||||
溫度附加衰減 | -60℃到+85℃ | ≤0.05 | [dB/km] | |
溫度-濕度循環附加衰減 | -10℃到+85℃,98%相對濕度 | ≤0.05 | [dB/km] | |
浸水附加衰減 | 23℃ 30天 | ≤0.05 | [dB/km] | |
濕熱附加衰減 | 85℃和85%相對濕度,30天 | ≤0.05 | [dB/km] | |
干熱老化 | 85℃,30天 | ≤0.05 | [dB/km] | |
機械特性 | ||||
篩選張力 | 離線 | ≥9.0 | [N] | |
|
| ≥1.0 | [%] | |
|
| ≥100 | [kpsi] | |
宏彎附加衰減 |
|
|
| |
15mm半徑 10圈 | 1550nm | ≤0.03 | [dB] | |
15mm半徑 10圈 | 1625nm | ≤0.1 | [dB] | |
10mm半徑 1圈 | 1550nm | ≤0.1 | [dB] | |
10mm半徑 1圈 | 1625nm | ≤0.2 | [dB] | |
7.5mm半徑 1圈 | 1550nm | ≤0.2 | [dB] | |
7.5mm半徑 1圈 | 1625nm | ≤0.5 | [dB] | |
涂層剝離力 | 平均值(典型值) | 1.7 | [N] | |
| 峰值 | ≥1.3 ≤8.9 | [N] | |
動態疲勞參數nd(典型值) |
| 27 |
|