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1310 nm Single-mode Transceiver (S1.1)
1x9, SC Duplex Connector, 3.3 V
155 Mbps ATM/SONET OC-3/SDH STM-1
Headquarters :
No. 669, Sec. 4 Chung Hsing Road
Chudung, HsinChu, Taiwan 310, ROC
Tel: +886-3-582-8270
Fax: +886-3-582-8416
Version 3.3
5/10
Date: 2003/02/17
http:// www.ritekom.com
Typical BER Performance of Receiver versus Input Optical Power Level
1.E-12
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
-2.5
-2
-1.5
-1
-0.5
0
0.5
Relative Input Optical Power (dB)
The figure shows the relationship between typical trade-off of BER and Relative Input Optical Power. Besides the
required BER =1
× 10−10 of the ATM Forum 155.52 Mbps Physical Layer Standard, The transceiver can be operated at
other Bit-Error-Rate conditions. The Relative Input Optical Power in dB is referenced to the actual sensitivity of the
device. For BER conditions better than 1
× 10−10, more input signal is needed (+dB).
Eye Diagram
Transmitter
Receiver
Signal pattern: PRBS 23
Signal pattern: PRBS 23
Input Power:
−35 dBm
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