Cisco ONS 15454 SDH Specifications Page 161

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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
OC3 IR 4/STM1 SH 1310 Card
3.18.1.1 OC3 IR 4/STM1 SH 1310 Port-Level Indicators
You can find the status of the four 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 Chapter 1, “Alarm Troubleshooting,” for a complete
description of the alarm messages.
Figure 3-28 OC3 IR 4/STM1 SH 1310 block diagram
Table 3-11, Part 1 OC3 IR 4/STM1 SH 1310 Card-Level Indicators
Card-Level LEDs Description
Red FAIL LED The red FAIL LED indicates the card’s processor is not ready. This LED is
lit during Reset. The FAIL LED flashes during the boot process. Replace the
card if the red FAIL LED persists.
Green ACT LED The green ACT LED indicates the OC3 IR 4/STM1 SH 1310 card is carrying
traffic or is traffic-ready.
Yellow SF LED The yellow SF LED indicates a signal failure or condition such as LOS, LOF,
MS-AIS or high BER on one or more of the cards ports. The Yellow SF LED
also illuminates when the transmit and receive fibers are incorrectly
connected. When the fibers are properly connected and the links are
working, the light turns off.
uP bus
uP
Flash
RAM
BTC
ASIC
B
a
c
k
p
l
a
n
e
STM-4
Optical
Transceiver
Optical
Transceiver
Optical
Transceiver
Optical
Transceiver
63118
STM-4/
STM-1
Mux/Demux
STM-1
termination/
framing
STM-1
termination/
framing
STM-1
termination/
framing
STM-1
termination/
framing
STM-1
STM-1
STM-1
STM-1
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