Cisco ONS 15454 SDH Specifications Page 186

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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
OC192 LR/STM64 LH 1550 Card
You can install OC192 LR/STM64 LH 1550 cards in any high-speed slot on the ONS 15454 SDH. You
can provision this card as part of an MS-SPRing, SNCP or linear configurations or also as a regenerator
for longer span reaches.
The OC192 LR/STM64 LH 1550 port features a 1550 nm laser and contains a transmit and receive
connector (labeled) on the card faceplate. The card uses a dual SC connector for optical cable
termination. The card supports 1+1 unidirectional and bidirectional facility protection. It also supports
1:1 protection in four-fiber bidirectional line switched ring applications where both span switching and
ring switching may occur.
The OC192 LR/STM64 LH 1550 card detects SF, LOS, or LOF conditions on the optical facility. Refer
to Chapter 1, “Alarm Troubleshooting,” for a description of these conditions. The card also counts
section and line BIT errors from B1 and B2 byte registers in the section and line overhead.
3.25.1 OC192 LR/STM64 LH 1550 Card-Level Indicators
The OC192 LR/STM64 LH 1550 card has three card-level LED indicators.
3.25.2 OC192 LR/STM64 LH 1550 Port-Level Indicators
You can find the status of the OC192 LR/STM64 LH 1550 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.
Table 3-18 OC192 LR/STM64 LH 1550 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.
ACT/STBY LED
Green (Active)
Yellow (Standby)
When the ACTV/STBY LED is green, the OC192 LR/STM64 LH 1550 card
is operational and ready to carry traffic. When the ACTV/STBY LED is
yellow, the OC192 LR/STM64 LH 1550 card is operational and in standby
(protect) mode.
Yellow SF LED The yellow 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 Yellow SF LED also
illuminates when the transmit and receive fibers are incorrectly connected.
When the fibers are properly connected and the link is working, the light
turns off.
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