Cisco Systems 15530 VOA Modules

6-2
Cisco ONS 15530 Configuration Guide and Command Reference
78-14227-01, Cisco IOS Release 12.1(10)EV2
Chapter6 Configuring VOA Module Interfaces
About Variable Optical Attenuation
Figure6-1 Four Channel Equalization with Three Power Equalizers
VOA Modules
The VOA modules are half-width modules inserted into a carrier motherboard installed in a
Cisco ONS 15530 shelf. The carrier motherboards can be installed in slots 1 through 4 a nd 7t hrough 10.
All optical connectors are located on the front panel and the co nnecto rs ar e angle d and rec essed .
Each carrier motherboard can hold up to two VOA modules. There are four types of VOA modules
available:
•Single WB-VOA modules
•Dual WB-VOA modules
•Single band PB-OE modules
•Dual band PB-OE modules
Figure 6-2 shows the types of VOA modules.
Band A Band B Band CD 1-VOA
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