A.N502: 2-way 200G line service processing board (CFP)

B.N401: 1 x 100 Gbit/s line service processing board

C.N602: 2-way 400G line service processing board

D.N210: 10 x 10 Gbit/s line service processing board

A.OSC LOS

B.R_LOS

C.MUT_LOS

D.CHAZ_LOS

A.Extended ECC is divided into automatic extended ECC and extended ECC in the specified mode

B.Auto-extending ECC means using a straight-through cable to connect the Ethernet ports of two NEs.

C.The extended ECC in the specified mode means that the server and client need to be specified.

D.Auto-extending ECC can be enabled on up to four network elements. In manual extended ECC mode, each server can connect up to three clients

A.The FIU board processes monitoring information.

B.FIU can complete the access and solution of OSC channel.

C.When there is no signal input in the OptiX OSN8800 device, the FIU board will report an alarm.

D.Whether it is an OLA station or an OADM station—one station only needs one FIU.

A.4

B.1

C.9

D.2