13-17
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 13 Card Reference
OC12 LR 1550 Card
Figure 13-13 OC12 LR 1550 card 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.
13.7.3 OC12 LR 1550 Card Specifications
•
Line
–
Bit Rate: 622.08 Mbps
–
Code: Scrambled NRZ
–
Fiber: 1550 nm single-mode
–
Loopback Modes: Terminal and Facility
–
Connectors: SC
–
Compliance: Telcordia SONET, GR-GSY-00253
•
Transmitter
–
Max. Transmitter Output Power: +2 dBmn
Table 13-4 OC12 LR 1550 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 OC12 LR 1550 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
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-12
Clock/
Data
Recovery
Optical
Transceiver
OC-12
SCI
STS-12
B
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Содержание ONS 15327
Страница 22: ...Contents xxii Cisco ONS 15327 User Documentation June 2002 I N D E X ...
Страница 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Страница 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Страница 82: ...1 32 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 1 Hardware Installation Hardware Specifications ...
Страница 166: ...4 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 4 IP Networking ONS 15327 Routing Table ...
Страница 254: ...7 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 7 Card Provisioning Using Virtual Wires ...
Страница 408: ...13 26 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 13 Card Reference E10 100 4 Card ...
Страница 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...