The SP3D board supports 63 E1 services
QinQ technology can be used when multiple users need to share the same VCTRUNK and use the same VLAN ID.
For osn3500, which of the following boards provides centralized backup capability for the +3.3V power supply of each board in the sub-shelf?
Which of the following statements about OTN advantages is false?
Which of the following is not a nonlinear effect?
Coherent receiver technology uses a local oscillator laser with the same frequency as the received signal to perform coherent processing and recover () information from the received signal. (Multi-quality selection.)
The last 256 columns in the OTN frame structure are the FEC regions for forward False correction.
Single-fiber bidirectional WDM systems use only one optical fiber to transmit optical signals in both directions at the same time. Light signals in both directions should be arranged at different wavelengths.
The rate of STM-1 is ()bit/s.
There are 48 bits in MAC address. The first ( ) bits make up a unique identifier for the vendor and the last ( ) bits are allocated by the vendor