Fujitsu 1FINITY L100 User Manual page 39

39
System Description and Engineering
ROADM Features
Channel Width = 50 GHz (all channels) 50 GHz
Ch.1 Ch.2
Ch.45 .... Ch.96
Frequency (THz)
4.8 THz
Figure 10
L100 Fixed Grid
50 GHz 37.5 GHz 75 GHz 37.5 GHz
Ch.A Ch.C
Ch.B .... Ch.Z
Frequency (THz)
4.8 THz
Figure 11
L100 Flexible Grid
User Channel
The user channel allows the user to set up an Ethernet communication connection between two devices (either
ASCII terminals or computers) located at adjacent or nonadjacent L100 Lambda node. The user channel
communications are transmitted through the L100 as part of the OSC payload. A user channel is functionally
equivalent to a hardwired, back-to-back Ethernet connection between the devices.
Data packets are received through Ethernet management port (RJ-45 connector), wrapped in High-Level Data
Link Control (HDLC) frame, and transferred across the networks or NEs. No capability exists for the interface to
communicate with the user network from a logical perspective; therefore, no MAC address is assigned to the
interface. It is merely a 10 Mb/s Ethernet data pipe between NEs.
· Fujitsu and Fujitsu Customer Use Only
Release 19.1.1 Issue 1.1, May 2021