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DELTA ELECTRONICS, INC.
3 Dec., 2006
Rev. 0E
www.deltaww.com
Optical Characteristics
Transmitter
(V
CC
=3.3V ± 5%, Data Rate=2488Mb/sec, PRBS=2
23
-1 NRZ)
Parameter Symbol Min. Typ. Max. Unit Note
Output Optical Power (Avg.) P
0 +5
dBm
Optical Extinction Ratio ER 8.2 dB
Center Wavelength
LCP-2488D4x47R
LCP-2488D4x49R
LCP-2488D4x51R
LCP-2488D4x53R
LCP-2488D4x55R
LCP-2488D4x57R
LCP-2488D4x59R
LCP-2488D4x61R
λ
C
1464.5
1484.5
1504.5
1524.5
1544.5
1564.5
1584.5
1604.5
1470
1490
1510
1530
1550
1570
1590
1610
1477.5
1497.5
1517.5
1537.5
1557.5
1577.5
1597.5
1617.5
nm
Spectral Width (-20dB)
σ
1 nm
Side-mode Suppression Ratio SMSR 30
dB
Optical Rise/ Fall Time
t
r
/t
f
150/200 psec 1
Relative Intensity Noise
RIN -120 dB/Hz
Jitter Generation
Peak to Peak
RMS
Dispersion Penalty @ 80 km
J
PP
J
rms
0.1
0.01
2.5
UI
dB
2
Output Eye Compliant with GR-253-CORE and ITU recommendation G.957
Receiver
(V
CC
=3.3V ± 5%, Data Rate=2488Mb/sec, PRBS=2
23
-1 NRZ)
Parameter Symbol Min. Typ. Max. Unit Note
Sensitivity (Avg.) @2.488Gbps P
S
-28
dBm 3, 4
Input Optical Wavelength
λ
1450 1620 nm
LOS-Deasserted (Avg.) P
A
-28
dBm
LOS-Asserted (Avg.) P
D
-40 dBm
LOS-Hysteresis P
A
-P
D
0.5 dB
Overload P
0
-9 dBm
Reflectance r -27 dB
Notes:
1. These are unfiltered 20%~80% values.
2. SMF-28 fiber used. 80 km represents 1600ps/nm at 1610nm. Measured at 2.488 Gb/s with a
PRBS 2
23
-1 pattern at a BER<10
-10
.
3. The sensitivity is provided at a BER of 1×10
-10
or better with an input signal consisting of
2677Mb/s/OC-48/2X FC/GbE/1X FC/ OC-12/OC-3, 2
23
-1 PRBS and ER=9dB.
4. 2.488 Gb/s BER<10
-10
with PRBS 2
23
-1. Does not include dispersion penalty.