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Cisco ONS 15530 Hardware Installation Guide
OL-7706-01
Chapter 1 Cisco ONS 15530 Overview
Cisco ONS 15530 Components
Figure 1-26 2.5-Gbps ITU Trunk Card (Nonsplitter)
1 Card status LED 3 Receive LED
2 Transmit LED 4 Transmit/Receive port
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