Table of Contents
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Chapter 1
Product Overview
Note
Table 1-7
Mux/Demux Motherboard with OSC LEDs
LED
Status
Status
Blinking green
Orange
Solid green
Off
Tx
Solid green
Off
Rx
Solid green
Off
Processor Cards
78-15095-01
Mux/demux motherboards without OSC have no LEDs.
Description
The motherboard has a good system clock from the primary
processor and is out of the reset state.
System clock is not present.
Software initialization is successful.
Board failure.
OSC is present and the optical laser output is enabled.
OSC is not present and the optical laser output is disabled.
OSC is present and the optical data stream is being received.
OSC is not present and the optical data stream is not being
received.
Figure 1-15 Mux/Demux Motherboard with OSC LEDs
Slots 6 and 7 of the Cisco ONS 15540 chassis hold processor cards. The processor
cards support redundancy and online insertion and removal. In a redundant
system, the processor cards monitor each other using the Ethernet backplane and
signals. The processor card monitors the fan assembly operation and airflow
Cisco ONS 15540 ESP Hardware Installation Guide
Cisco ONS 15540 Components
1-17
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