| DWDM 100GHz ITU Grid | DWDM 50GHz ITU Grid | |||||
| Channel No | Frequency (GHz) | Wavelength (nm) | Channel No | Frequency (GHz) | Wavelength (nm) | |
| 1 | 190100 | 1577.03 | 1 | 190.1 | 1577.03 | |
| 2 | 190200 | 1576.2 | 1.5 | 190.15 | 1576.61 | |
| 3 | 190300 | 1575.37 | 2 | 190.2 | 1576.2 | |
| 4 | 190400 | 1574.54 | 2.5 | 190.25 | 1575.78 | |
| 5 | 190500 | 1573.71 | 3 | 190.3 | 1575.37 | |
| 6 | 190600 | 1572.89 | 3.5 | 190.35 | 1574.95 | |
| 7 | 190700 | 1572.06 | 4 | 190.4 | 1574.54 | |
| 8 | 190800 | 1571.24 | 4.5 | 190.45 | 1574.13 | |
| 9 | 190900 | 1570.42 | 5 | 190.5 | 1573.71 | |
| 10 | 191000 | 1569.59 | 5.5 | 190.55 | 1573.3 | |
| 11 | 191100 | 1568.11 | 6 | 190.6 | 1572.89 | |
| 12 | 191200 | 1567.95 | 6.5 | 190.65 | 1572.48 | |
| 13 | 191300 | 1567.13 | 7 | 190.7 | 1572.06 | |
| 14 | 191400 | 1566.31 | 7.5 | 190.75 | 1571.65 | |
| 15 | 191500 | 1565.5 | 8 | 190.8 | 1571.24 | |
| 16 | 191600 | 1564.68 | 8.5 | 190.85 | 1570.83 | |
| 17 | 191700 | 1563.86 | 9 | 190.9 | 1570.42 | |
| 18 | 191800 | 1563.05 | 9.5 | 190.95 | 1570.01 | |
| 19 | 191900 | 1562.23 | 10 | 191 | 1569.59 | |
| 20 | 192000 | 1561.41 | 10.5 | 191.05 | 1569.18 | |
| 21 | 192100 | 1560.61 | 11 | 191.1 | 1568.11 | |
| 22 | 192200 | 1559.79 | 11.5 | 191.15 | 1568.36 | |
| 23 | 192300 | 1558.98 | 12 | 191.2 | 1567.95 | |
| 24 | 192400 | 1558.17 | 12.5 | 191.25 | 1567.54 | |
| 25 | 192500 | 1557.36 | 13 | 191.3 | 1567.13 | |
| 26 | 192600 | 1556.55 | 13.5 | 191.35 | 1566.72 | |
| 27 | 192700 | 1555.75 | 14 | 191.4 | 1566.31 | |
| 28 | 192800 | 1554.94 | 14.5 | 191.45 | 1565.9 | |
| 29 | 192900 | 1554.13 | 15 | 191.5 | 1565.5 | |
| 30 | 193000 | 1553.33 | 15.5 | 191.55 | 1565.09 | |
| 31 | 193100 | 1552.52 | 16 | 191.6 | 1564.68 | |
| 32 | 193200 | 1551.72 | 16.5 | 191.65 | 1564.27 | |
| 33 | 193300 | 1550.92 | 17 | 191.7 | 1563.86 | |
| 34 | 193400 | 1550.12 | 17.5 | 191.75 | 1563.45 | |
| 35 | 193500 | 1549.32 | 18 | 191.8 | 1563.05 | |
| 36 | 193600 | 1548.51 | 18.5 | 191.85 | 1562.64 | |
| 37 | 193700 | 1547.72 | 19 | 191.9 | 1562.23 | |
| 38 | 193800 | 1546.92 | 19.5 | 191.95 | 1561.83 | |
| 39 | 193900 | 1546.12 | 20 | 192 | 1561.42 | |
| 40 | 194000 | 1545.32 | 20.5 | 192.05 | 1561.01 | |
| 41 | 194100 | 1544.53 | 21 | 192.1 | 1560.61 | |
| 42 | 194200 | 1543.73 | 21.5 | 192.15 | 1560.2 | |
| 43 | 194300 | 1542.94 | 22 | 192.2 | 1559.79 | |
| 44 | 194400 | 1542.14 | 22.5 | 192.25 | 1559.39 | |
| 45 | 194500 | 1541.35 | 23 | 192.3 | 1558.98 | |
| 46 | 194600 | 1540.56 | 23.5 | 192.35 | 1558.58 | |
| 47 | 194700 | 1539.77 | 24 | 192.4 | 1558.17 | |
| 48 | 194800 | 1538.98 | 24.5 | 192.45 | 1557.77 | |
| 49 | 194900 | 1538.19 | 25 | 192.5 | 1557.36 | |
| 50 | 195000 | 1537.4 | 25.5 | 192.55 | 1556.96 | |
| 51 | 195100 | 1536.61 | 26 | 192.6 | 1556.56 | |
| 52 | 195200 | 1535.82 | 26.5 | 192.65 | 1556.15 | |
| 53 | 195300 | 1535.04 | 27 | 192.7 | 1555.75 | |
| 54 | 195400 | 1534.25 | 27.5 | 192.75 | 1555.34 | |
| 55 | 195500 | 1533.47 | 28 | 192.8 | 1554.94 | |
| 56 | 195600 | 1532.68 | 28.5 | 192.85 | 1554.54 | |
| 57 | 195700 | 1531.9 | 29 | 192.9 | 1554.13 | |
| 58 | 195800 | 1531.12 | 29.5 | 192.95 | 1553.73 | |
| 59 | 195900 | 1530.33 | 30 | 193 | 1553.33 | |
| 60 | 196000 | 1529.55 | 30.5 | 193.05 | 1552.93 | |
| 61 | 196100 | 1528.77 | 31 | 193.1 | 1552.52 | |
| 62 | 196200 | 1527.99 | 31.5 | 193.15 | 1552.12 | |
| 63 | 196300 | 1527.22 | 32 | 193.2 | 1551.72 | |
| 64 | 196400 | 1526.44 | 32.5 | 193.25 | 1551.32 | |
| 65 | 196500 | 1525.66 | 33 | 193.3 | 1550.92 | |
| 66 | 196600 | 1524.89 | 33.5 | 193.35 | 1550.52 | |
| 67 | 196700 | 1524.11 | 34 | 193.4 | 1550.12 | |
| 68 | 196800 | 1523.34 | 34.5 | 193.45 | 1549.72 | |
| 69 | 196900 | 1522.56 | 35 | 193.5 | 1549.32 | |
| 70 | 197000 | 1521.79 | 35.5 | 193.55 | 1548.91 | |
| 71 | 197100 | 1521.02 | 36 | 193.6 | 1548.52 | |
| 72 | 197200 | 1520.25 | 36.5 | 193.65 | 1548.11 | |
| 37 | 193.7 | 1547.72 | ||||
| 37.5 | 193.75 | 1547.32 | ||||
| 38 | 193.8 | 1546.92 | ||||
| 38.5 | 193.85 | 1546.52 | ||||
| 39 | 193.9 | 1546.12 | ||||
| 39.5 | 193.95 | 1545.72 | ||||
| 40 | 194 | 1545.32 | ||||
| 40.5 | 194.05 | 1544.92 | ||||
| 41 | 194.1 | 1544.53 | ||||
| 41.5 | 194.15 | 1544.13 | ||||
| 42 | 194.2 | 1543.73 | ||||
| 42.5 | 194.25 | 1543.33 | ||||
| 43 | 194.3 | 1542.94 | ||||
| 43.5 | 194.35 | 1542.54 | ||||
| 44 | 194.4 | 1542.14 | ||||
| 44.5 | 194.45 | 1541.75 | ||||
| 45 | 194.5 | 1541.35 | ||||
| 45.5 | 194.55 | 1540.95 | ||||
| 46 | 194.6 | 1540.56 | ||||
| 46.5 | 194.65 | 1540.16 | ||||
| 47 | 194.7 | 1539.77 | ||||
| 47.5 | 194.75 | 1539.37 | ||||
| 48 | 194.8 | 1538.98 | ||||
| 48.5 | 194.85 | 1538.58 | ||||
| 49 | 194.9 | 1538.19 | ||||
| 49.5 | 194.95 | 1537.79 | ||||
| 50 | 195 | 1537.4 | ||||
| 50.5 | 195.05 | 1537 | ||||
| 51 | 195.1 | 1536.61 | ||||
| 51.5 | 195.15 | 1536.22 | ||||
| 52 | 195.2 | 1535.82 | ||||
| 52.5 | 195.25 | 1535.43 | ||||
| 53 | 195.3 | 1535.04 | ||||
| 53.5 | 195.35 | 1534.64 | ||||
| 54 | 195.4 | 1534.25 | ||||
| 54.5 | 195.45 | 1533.86 | ||||
| 55 | 195.5 | 1533.47 | ||||
| 55.5 | 195.55 | 1533.07 | ||||
| 56 | 195.6 | 1532.68 | ||||
| 56.5 | 195.65 | 1532.29 | ||||
| 57 | 195.7 | 1531.9 | ||||
| 57.5 | 195.75 | 1531.51 | ||||
| 58 | 195.8 | 1531.12 | ||||
| 58.5 | 195.85 | 1530.72 | ||||
| 59 | 195.9 | 1530.33 | ||||
| 59.5 | 195.95 | 1529.94 | ||||
| 60 | 196 | 1529.55 | ||||
| 60.5 | 196.05 | 1529.16 | ||||
| 61 | 196.1 | 1528.77 | ||||
| 61.5 | 196.15 | 1528.38 | ||||
| 62 | 196.2 | 1527.99 | ||||
| 62.5 | 196.25 | 1527.6 | ||||
| 63 | 196.3 | 1527.22 | ||||
| 63.5 | 196.35 | 1526.83 | ||||
| 64 | 196.4 | 1526.44 | ||||
| 64.5 | 196.45 | 1526.05 | ||||
| 65 | 196.5 | 1525.66 | ||||
| 65.5 | 196.55 | 1525.27 | ||||
| 66 | 196.6 | 1524.89 | ||||
| 66.5 | 196.65 | 1524.5 | ||||
| 67 | 196.7 | 1524.11 | ||||
| 67.5 | 196.75 | 1523.72 | ||||
| 68 | 196.8 | 1523.34 | ||||
| 68.5 | 196.85 | 1522.95 | ||||
| 69 | 196.9 | 1522.56 | ||||
| 69.5 | 196.95 | 1522.18 | ||||
| 70 | 197 | 1521.79 | ||||
| 70.5 | 197.05 | 1521.4 | ||||
| 71 | 197.1 | 1521.02 | ||||
| 71.5 | 197.15 | 1520.63 | ||||
| 72 | 197.2 | 1520.25 | ||||
| 72.5 | 197.25 | 1519.86 |
