Cisco 7603 - Modular Expansion Base Installation Manual page 39

Chapter 1 Product Overview
Figure 1-19
Table 1-15 LC and SC Interface LED Descriptions
LED Color
ACTIVE
Green
Off
CARRIER
ALARM
Green
Yellow
Off
TX
Green
Off
RX
Green
Off
MT-RJ Interface LED Description
The MT-RJ interface LEDs on the OSM front panel (see
Figure 1-20
OL-5077-7
SC OSM Interface LEDs
Description
Indicates that the port has been configured and enabled.
The port has been configured and enabled to operate.
The port has not been configured or enabled to operate.
Indicates that the port detects a valid SONET signal.
A valid SONET signal has been detected with no alarm conditions.
A valid SONET signal has been detected, but there are alarm conditions
present (such as line remote failure indication [LRFI], path remote
failure indication [PRFI], loss of signal [LOS], loss of frame [LOF], loss
of pointer [LOP], line alarm indication signal [LAIS], path alarm
indication signal [PAIS], or Signal Label Mismatch).
No valid SONET signal is detected.
Indicates that the port is active and transmitting data on the SONET link.
The port is active and transmitting data on the SONET link.
The port is not active or transmitting data on the SONET link.
Indicates that the port is active and receiving data from the SONET link.
The port is active and receiving data from the SONET link.
The port is not active or receiving data from the SONET link.
MT-RJ OSM Interface LEDs
Optical Services Modules
Figure 1-20) are described in
Book Title
Table 1-16.
1-23