A9K-2T20GE-E - Cisco ASR 9000 Series 2 x Ports 10GbE XFP + 20 x Ports GE SFP High Queue Combo Line Card Expansion Module

The four-channel and two-channel OADM (EWDM-OADM4= and EWDM-OADM2=) allows you to respectively add/drop four or two channels (with different wavelengths) and combine them with up to 8 CWDM channels into one pair of fiber. Dual fiber is used for both the network connection and the transceiver connections. The two OADMs are equipped with a port that allows you to connect to the booster amplifier and support the following wavelengths:

EWDM-OADM4?1542.94 nm, 1542.14 nm, 1540.56 nm, 1539.77 nm.

EWDM-OADM2?1560.61 nm, 1559.79 nm.