AU1 is a WDM
optical amplifier board, to amplify C band optical signals at different Gain Ranges; OAU1
has three versions TN11, TN12 and TN13.
TN11OAU and
TN12OAU will occupy two slots on Huawei OSN 6800 or Huawei OSN 8800; TN13OAU only
occupies one slot.
Also they have
function difference. TN11OAU1 board does not support adjustment of input
optical power, whereas the TN12OAU1 and TN13OAU1 board supports
