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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter 4 Optical Cards
4.14.2 OC192 LR/STM64 LH ITU 15xx.xx Card-Level Indicators
4.14.2 OC192 LR/STM64 LH ITU 15xx.xx Card-Level Indicators
Table 4-15 describes the three card-level LED indicators on the OC192 LR/STM64 LH ITU 15xx.xx
card.
4.14.3 OC192 LR/STM64 LH ITU 15xx.xx Port-Level Indicators
You can find the status of the OC192 LR/STM64 LH ITU 15xx.xx card ports using the LCD screen on
the ONS 15454 SDH fan-tray assembly. Use the LCD to view the status of any port or card slot; the
screen displays the number and severity of alarms for a given port or slot. Refer to the
Cisco ONS 15454 SDH Troubleshooting Guide for a complete description of the alarm messages.
Table 4-15 OC192 LR/STM64 LH ITU 15xx.xx Card-Level Indicators
Card-Level LED Description
Red FAIL LED The red FAIL LED indicates that the card’s processor is not ready. The FAIL
LED is on during reset and flashes during the boot process. Replace the card
if the red FAIL LED persists.
ACT/STBY LED
Green (Active)
Amber (Standby)
If the ACT/STBY LED is green, the card is operational and ready to carry
traffic. If the ACT/STBY LED is amber, the card is in standby mode or is
part of an active ring switch (BLSR).
Amber SF LED The amber SF LED indicates a signal failure or condition such as LOS, LOF,
or high BERs on one or more of the card’s ports. The amber SF LED is also
on if the transmit and receive fibers are incorrectly connected. If the fibers
are properly connected and the link is working, the light turns off.