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SFP
Module Transceiver GPON C+
Product Features
· Support ITU-T G.984.2 GPON OLT C+ application
· Single fiber bi-directional data links with unsymmetrical 2.488Gbps Tx and 1.244Gbps Rx
· 1490nm continuous-mode transmitter with DFB LD
· 1310nm burst-mode receiver with APD-TIA
· 2-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
Applications:
Data services
Voice services
Video services
Monitoring service
FTTH
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 |
|
|
600 |
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 |
3 |
|
7 |
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 |
|
|
-30 |
Overload (PRBS223-1@1.244G,ER=10,BER<10-10) |
dBm |
-12 |
|
|
Receiver Burst Mode Dynamic Range |
dB |
15 |
|
|
Damage Threshold for Receiver |
dBm |
5 |
|
|
SD Assert Level |
dBm |
|
|
-33 |
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 |
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United States
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