SFP-WDM-SM-0220A SFP-WDM-SM-0220B sfp Optical Module 1.25G 20KM T1310/R1550 Factory Supply
Product Features
Support ITU-T G.984.2 GPON OLT B+ application
Single fiber bi-directional data links with symmetric 2.488Gbps Tx and 1.244Gbps Rx
1490nm continuous-mode transmitter with DFB LD
1310nm burst-mode receiver with APD-TIA
wire interface for integrated digital diagnostic Monitoring
Receiver RESET, Signal Detect, RSSI function indication (RESET, RX_SD, RSSI)
SFP package with SC/UPC receptacle optical interface
Single +3.3V power supply
Operation case temperature -40~85°C for industrial and 0~70°C for commercial
RoHS6 compliance
Operating Condition
|
Parameter
|
Unit
|
Min.
|
Typical
|
Max.
|
|
Storage Temperature
|
°C
|
-40
|
|
85
|
|
Operating Case Temp for C-temp
|
°C
|
0
|
|
70
|
|
Operating Case Temp for I-temp
|
°C
|
-40
|
|
85
|
|
Operating Relative Humidity
|
%
|
5
|
|
95
|
|
Power Supply Voltage
|
V
|
3.15
|
3.3
|
3.45
|
|
Supply Current
|
mA
|
|
|
500
|
|
Bit Rate for Tx
|
Gbps
|
2.488
|
|
Bit Rate for Rx
|
Gbps
|
1.244
|
Characteristics
All performance is specified at whole working temperature and conditions
|
Parameter
|
Unit
|
Min.
|
Typical
|
Max.
|
|
Transmitter
|
|
TX Central Wavelength
|
nm
|
1480
|
1490
|
1500
|
|
Spectral Width (-20dB)
|
nm
|
|
|
1
|
|
Side Mode Suppression Ratio (SMSR)
|
dB
|
30
|
|
|
|
Mean Launched Power
|
dBm
|
1.5
|
|
5
|
|
Mean Launched Power (TX Off)
|
dBm
|
|
|
-45
|
|
Extinction Ratio
|
dB
|
8.2
|
|
|
|
Optical Return Loss Tolerance
|
dB
|
-12
|
|
|
|
Transmitter and dispersion Penalty
|
dB
|
|
|
1
|
|
Transmitter Mask(PRBS223-1&2.488G)
|
Compliant With ITU-T G.984.2
|
|
Receiver
|
|
Receive Wavelength
|
nm
|
1290
|
1310
|
1330
|
|
Sensitivity(PRBS223-1 & 1.244G,ER=10,BER<10-10)
|
dBm
|
|
|
-28
|
|
Overload(PRBS223-1&1.244G,ER=10,BER<10-10)
|
dBm
|
-8
|
|
|
|
Receiver Burst Mode Dynamic Range
|
dB
|
15
|
|
|
|
Damage Threshold for Receiver
|
dBm
|
5
|
|
|
|
SD Assert Level
|
dBm
|
|
|
-30
|
|
SD De-assert Level
|
dBm
|
-45
|
|
|
|
SD Hysteresis
|
dB
|
0.5
|
|
6
|
|
WDM Filter isolation to 1550nm
|
dB
|
38
|
|
|
|
WDM Filter isolation to 1650nm
|
dB
|
35
|
|
|
|
Electrical Interface Characteristics
|
|
Data Input Swing Differential/TX
|
mV
|
200
|
-
|
2000
|
|
Data Output Swing Differential/RX
|
mV
|
400
|
|
1600
|
|
Date Differential Impedance
|
Ω
|
90
|
100
|
110
|
|
LVTTL Output High
|
V
|
2.4
|
|
Vcc
|
|
LVTTL Output Low
|
V
|
0
|
|
0.4
|
|
LVTTL Input High
|
V
|
2.0
|
|
Vcc+0.3
|
|
LVTTL Input Low
|
V
|
0
|
|
0.8
|
|
Timing Characteristics
|
|
Guard Time (Tg)
|
ns
|
25.6
|
|
|
|
Reset Pulse Width (Tr)
|
ns
|
|
|
12.8
|
|
Reset Delay (Trd)
|
ns
|
|
|
12.8
|
|
Receiver Preamble Time (Tp)
|
ns
|
|
|
140
|
|
SD Assert Time (TSDA)
|
ns
|
|
|
100
|
|
SD De-assert Time (TSDD)
|
ns
|
|
|
12.8
|
|
RSSI Trigger Delay (Ttd)
|
ns
|
25
|
|
|
|
RSSI Trigger Pulse Width (Tw)
|
ns
|
500
|
|
|
|
Internal I2C Delay (Twait)
|
us
|
|
|
500
|

