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7 August 2003
Chapter 1 Cisco ONS 15530 Overview
Cisco ONS 15530 Components
1-26
Cisco ONS 15530 Hardware Installation Guide
78-14228-02
Figure 1-16 OADM Module
Wide-Band Variable Optical Attenuator and Per-Band Optical
Equalizer Modules
The WB-VOA (wide-band variable optical attenuator) and PB-OE (per-band
power equalizer) modules are half-width modules that allow the ONS 15530 to
extend the internodal and ring circumference distances and number of nodes
supported for point-to-point, hub ring, and mesh ring networks by equalizing
power levels.
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