Tsc Card-Level Indicators; Tsc Network-Level Indicators; Table 2-3 Tsc Card-Level Indicators; Table 2-4 Tsc Network-Level Indicators - Cisco ONS 15600 Reference Manual

Chapter 2 Card Reference

2.2.3 TSC Card-Level Indicators

Table 2-3
Table 2-3
Indicator
STAT
SRV
ACT/STBY

2.2.4 TSC Network-Level Indicators

Table 2-4
Table 2-4
Indicator
LINE
EXTERNAL
FREE RUN
HOLDOVER
ACO
describes the functions of the card-level LEDs on the TSC card faceplate.
TSC Card-Level Indicators
Color Definition
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 slowly during configuration
synchronization.
Green The service mode of the card. Green indicates that the card is in use,
amber indicates that the card is out of service, and off indicates that the
card is either booting or has no power applied.
Green The ACT/STBY (Active/Standby) LED indicates that the TSC is active
(green) or standby (off).
describes the functions of the network-level LEDs on the TSC card faceplate.
TSC Network-Level Indicators
Color Definition
Green Node timing is synchronized to a line timing reference.
Green Node timing is synchronized to an external timing reference.
Green 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.
Amber External/line timing references have failed. The TSC has switched to
internal timing and the 24-hour holdover period has not elapsed.
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.
2.2.3 TSC Card-Level Indicators
Cisco ONS 15600 Reference Manual, R8.0
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