Chapter 1 Product Overview
Cisco ONS 15540 ESPx Components
1-18
Cisco ONS 15540 ESPx Hardware Installation Guide
78-16436-01
Figure 1-8
Protection Switch Module
PSM LEDs
lists the LEDs on the PSM, their default conditions, and what the
conditions indicate
M
UX/
DE
M
UX
O
UT IN
MON
W E
EAST
TX RX
WEST
TX RX
ST
ATUS
WEST EAST
85520
Table 1-9
PSM LEDs
LED
Status
Description
STATUS
Solid green
Software initialization is successful.
Off
Board failure.