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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
OC12 IR/STM4 SH 1310 Card
Figure 3-30 OC12 IR/STM4 SH 1310 block diagram
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments.
3.19.3 OC12 IR/STM4 SH 1310 Card Specifications
• Line
–
Bit Rate: 622.08 MBits/s (Mbps)
–
Code: Scrambled NRZ
–
Fiber: 1310 nm single-mode
–
Loopback Modes: Terminal and Facility
–
Connectors: SC
–
Compliance: ITU-T G.707, ITU-T G.957
• Transmitter
–
Maximum Transmitter Output Power: -8 dBm
–
Minimum Transmitter Output Power: -15 dBm
–
Center Wavelength: 1274 nm – 1356 nm
–
Nominal Wavelength: 1310 nm
–
Transmitter: Fabry Perot laser
• Receiver
–
Maximum Receiver Level: -8 dBm at BER 1 * 10
-10
–
Minimum Receiver Level: -28 dBm at BER 1 * 10
-10
–
Receiver: InGaAs/InP photo detector
–
Link Loss Budget: 13 dB
uP bus
uP
Flash
RAM
STM-4
Mux/
Demux
Optical
Transceiver
STM-4
Main SCI
Protect SCI
Cross
Connect
Matrix
STM-4
B
a
c
k
p
l
a
n
e
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