Cisco ONS 15600 Reference Manual page 23

Chapter 2 Cards Features and Functions
Table 2-21
Color
Green
Amber
Red
Off
ASAP (4PIO Module) Port-Level Indicators
Description for a SONET-Configured Port
Indicates that the port is provisioned.
Indicates that the signal is degraded.
Indicates a signal failure.
Indicates that the port is unprovisioned.
2.8.5 ASAP Card Port-Level Indicators
Description for an Ethernet-Configured Port
Solid green indicates that there is a link and
no traffic. Flashing green indicates that there
is a link, and the LED flashes at a rate
proportional to the level of traffic being
received and transmitted over the port.
Amber indicates that the link has an issue
inhibiting traffic, such as a signal error, or
disabled or unprovisioned port.
Indicates a signal failure.
Indicates that there is no link.
Cisco ONS 15600 Reference Manual, R5.0
2-23