2-121
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 2 Alarm Troubleshooting
2.7.3 SSXC Card-Level Indicators
2.7.3 SSXC Card-Level Indicators
describes the functions of the card-level LEDs on the SSXC card faceplate.
2.7.4 STM-N Card Indicators
describes the functions of the card-level LEDs on the STM-16 and STM-64 cards.
Note
STM-N card SF and SD card-level LEDs are not displayed in CTC.
FREE RUN
Green
The node is not using an external timing reference. Indicated when the
timing mode is set to an internal reference or after all external references
are lost.
HOLDOVER
Amber
External/line timing references have failed. The TSC card has switched
to internal timing and the 24-hour holdover period has not elapsed.
ACO
Amber
The alarm cutoff (ACO) push button has been activated. After pressing
the ACO button, the amber ACO LED turns on. The ACO button opens
the audible closure on the backplane. The ACO state is stopped if a new
alarm occurs. After the originating alarm is cleared, the ACO LED and
audible alarm control are reset.
Table 2-14
TSC Card Network-Level Indicators (continued)
Indicator LED
Color
Definition
Table 2-15
SSXC Card-Level Indicators
Indicators LED
Color
Definition
STAT
Red
Indicates a hardware fault; this LED is off during normal operation.
Replace the card if the STAT LED persists. During diagnostics, the LED
flashes quickly during initialization and flashes slowly during
configuration synchronization.
SRV
Green
The service mode of the card. Green indicates the card is in use; no light
indicates that the card can be removed for service.
Amber
The service mode of the card. Amber indicates the card is in use; no light
indicates that the card can be removed for service.
Table 2-16
STM-N Card-Level Indicators
Indicators
Color
Description
STAT LED
Red
Indicates a hardware fault; this LED is off during normal operation.
Replace the card if the STAT LED persists. During diagnostics, the LED
flashes quickly during initialization and flashes slowly during
configuration synchronization.
Содержание Cisco ONS 15600 SDH
Страница 18: ...Contents xviii Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...
Страница 20: ...Figures xx Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...
Страница 30: ...xxx Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 About this Guide ...
Страница 256: ...3 8 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 Chapter 3 Transient Conditions 3 3 28 WKSWPR ...
Страница 306: ...4 50 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 Chapter 4 Error Messages ...
Страница 318: ...Index IN 12 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...