Passthrough Traffic:
Degree 1 to/from Degree 2
Degree 1 to/from Degree 3
Degree 1 to/from Degree 4
Degree 2 to/from Degree 3
Degree 2 to/from Degree 4
Degree 3 to/from Degree 4
Degree 1 Degree 3
Degree 2 Degree 4
BDL1-3R11 Blade
BDL1-3R11 Blade
BDL1-3R11 Blade
BDL1-3R11 Blade
E1
E1
E1 E1
C3
C2
C1
C3
C2
C1
C3
C2
C1
C3
C2
C1
FNC000343_Rev_01
Figure 5
Example of 4-Degree CD ROADM Pass-Through (Hub) Cabling
Related Links
L100 Blade
L110 Blade
4x16 Spliîž©er/Coupler PIU
1.2.2
Colorless (Direct Access) ROADM Application
Up to four degrees of direct access Recongurable Opcal Add/Drop Mulplexer (ROADM) are supported. Each
degree of ROADM requires an L100 (BDL1-3R11) 1x9 WSS ROB.
With the direct access feature, narrowband signals can be directly connected to the client ports (C1…C9) of each
L100 Blade. The add/drop signals from the client ports are mapped to a channel on the edge port (E1) of the
L100 Blade. Pass-through signals between ROADM degrees can pass through a client port (C1…C9) on the L100
Blade at each degree to a client port (C1…C9) on the L100 Blade at the other degree.
The following gure shows an example of add/drop cabling for a 4-degree colorless ROADM conguraon.
System Description and Engineering
ROADM Applications
31
Release 19.1.1 · Issue 1.1, May 2021
Fujitsu and Fujitsu Customer Use Only
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