Optical characteristics – Delta Electronics Multimode SFP Transceiver LCP-1250A4FDRx User Manual
Page 3

DELTA ELECTRONICS, INC.
3 Oct.,
2006
Rev. 6F
www.deltaww.com
Optical Characteristics
(V
CC
=3.3V
± 5%, Data Rate=1250Mb/sec, PRBS=2
7
-1 NRZ)
Parameter Symbol
Min.
Typ.
Max.
Unit
Note
Transmitter
Output Optical Power (Avg.)
P
O
-9.5 -4 dBm
Optical Extinction Ratio
ER
9
dB
Center Wavelength
C
830 850 860 nm
Spectral Width (RMS)
0.85
nm
Optical Rise/ Fall Time
t
r
/t
f
260
pec 1
Receiver
Sensitivity (Avg.)
P
IN
-17
dBm 2
Input Optical Wavelength
850
nm
LOS-Deasserted (Avg.)
P
A
-17
dBm
LOS-Asserted (Avg.)
P
D
-30 dBm
LOS-Hysteresis P
A
-P
D
0.5 dB
Overload P
O
-3 dBm
Notes:
1. These are unfiltered 20%~80% values
2. The sensitivity is provided at a BER of 1×10
-12
or better with an input signal consisting of 1250Mb/s,
2
7
-1 PRBS and ER=9dB.
Mask of the eye diagram for the optical transmit signal