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Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 13 Card Reference
OC48 IR 1310 Card
The OC-48 port features a 1310 nm laser and contains a transmit and receive connector (labeled) on the
card faceplate. The OC48 IR 1310 uses SC connectors. The card supports 1+1 unidirectional and
bidirectional protection switching.
The OC48 IR 1310 detects LOS, LOF, LOP, AIS-L, and RDI-L conditions. See
, for a description of these conditions. The card also counts section and line BIT errors.
.
13.8.2 OC48 IR 1310 Card-Level Indicators
The OC48 IR 1310 card has three card-level LED indicators (
Figure 13-15 OC48 IR 1310 block diagram
Warning
Invisible laser radiation may be emitted from the aperture port when no cable is connected. To avoid
exposure to laser radiation, do not stare into open apertures.
Table 13-5 OC48 IR 1310 Card-Level Indicators
Card-Level Indicators
Description
Red FAIL LED
The red FAIL LED indicates that the card’s processor is not ready. Replace
the card if the red FAIL LED persists.
Green ACT LED
The green ACT LED indicates that the OC48 IR 1310 card is carrying traffic
or is traffic-ready.
Amber SF LED
The amber SF LED indicates a signal failure or condition such as LOS, LOF,
AIS-L or high BERs on the card’s port. The amber SF LED also illuminates
when the transmit and receive fibers are incorrectly connected. When the
fibers are properly connected, the light turns off.
uP bus
uP
Flash
RAM
Backplane
Interface
STS-48
Clock/
Data
Recovery
Optical
Transceiver
OC-48
SCI
STS-48
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Summary of Contents for ONS 15327
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Page 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
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Page 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...