Cisco ONS 15454 SDH Specifications Page 178

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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
OC48 LR/STM16 LH AS 1550 Card
Figure 3-38 OC48 LR/STM16 LH AS 1550 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.
3.23.3 OC48 LR/STM16 LH AS 1550 Card Specifications
Line
Bit Rate: 2488.320 MBits/s (Mbps)
Code: Scrambled NRZ
Fiber: 1550 nm Single Mode
Loopback Modes: Terminal and Facility
Connectors: SC
Compliance: ITU-T G.707, ITU-T G.957
Transmitter
Maximum Transmitter Output Power: +3 dBm
Minimum Transmitter Output Power: -2 dBm
Center Wavelength: 1520 nm – 1580 nm
Nominal Wavelength: 1550 nm
Transmitter: Distributed Feedback (DFB) Laser
Receiver
Maximum Receiver Level: -8 dBm at BER 1 * 10
-10
Minimum Receiver Level: -28 dBm at BER 1 * 10
-10
Receiver: InGaAs APD photo detector
Link Loss Budget: 26 dB minimum, with 1 dB dispersion penalty
uP bus
uP
Flash
RAM
BTC
ASIC
Optical
Transceiver
STM-16
Main SCI
Protect SCI
STM-16
63119
Mux/
Demux
B
a
c
k
p
l
a
n
e
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