Chapter 1 Product Overview
Cisco ONS 15540 ESPx Components
1-16
Cisco ONS 15540 ESPx Hardware Installation Guide
78-16436-01
Figure 1-7
32-Channel Terminal Mux/Demux Module
Mux/Demux Motherboard LEDs
lists the LEDs on the mux/demux motherboard with OSC faceplate,
their default conditions, and what the conditions indicate.
Note
Mux/demux motherboards without OSC have no LEDs.
79414
Table 1-8
Mux/Demux Motherboard with OSC LEDs
LED
Status
Description
STATUS
Blinking green
The motherboard has a good system clock from the primary
processor and is out of the reset state.
Orange
System clock is not present.
Solid green
Software initialization is successful.
Off
Board failure.