DELTA ELECTRONICS, INC.
3 Jan.,
2008
Rev. 0D
www.deltaww.com
Optical Characteristics
(V
CC
=3.135V to 3.465V, Data Rate=155Mb/sec, PRBS=2
23
-1 NRZ, 9/125
μ
m SMF)
Parameter Symbol
Min.
Typ.
Max.
Unit
Note
Transmitter
Output Optical Power (Avg.)
P
O
-15
-8
dBm
Optical Extinction Ratio
E.R.
10
dB
Center Wavelength
λ
C
1263 1310 1360 nm
Spectral Width (RMS)
σ
7.7
nm
Optical Rise/Fall Time
t
r
/t
f
2 ns 1
Output Eye
Compliant with Bellcore TR-NWT-000253 and ITU recommendation
G.957
Receiver
Sensitivity (Avg.)
P
IN
-31
dBm 2
Input Optical Wavelength
λ
1310 nm
LOS-Deasserted (Avg.)
P
A
-31
dBm
LOS-Asserted (Avg.)
P
D
-48 dBm
LOS-Hysteresis P
A
-P
D
0.5 dB
Overload P
O
-3 dBm
Notes:
1. These are unfiltered 10%~90% values
2. The sensitivity is provided at a BER of 1×10
-10
or better with an input signal consisting of 155Mb/s,
2
23
-1 PRBS and ER=9dB.
Mask of the eye diagram for the optical transmit signal
