Cisco ONS 15454 SDH Specifications Page 165

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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
61225
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