GEPON OLT Optical Module Tx 1310nmRx1490nm 20km SC BiDi direction
compliant With IEEE 802.3ah standard
Product Features
Absolute Maximum Ratings
Parameter | Unit | Min. | Typical | Max. |
Power Supply | V | 0 | 4.2 | |
Storage Ambient Temperature | °C | -40 | 85 | |
Operating Case Temperature | °C | -40 | 85 | |
Operating Relative Humidity | % | 5 | 95 | |
Receiver Damaged Threshold | dBm | 0 |
Operating Condition
Parameter | Unit | Min. | Typical | Max. |
Power Supply | V | 3.1 | 3.3 | 3.5 |
Operating Case Temp for C-temp | °C | -10 | 70 | |
Operating Relative Humidity | % | 5 | 95 | |
Data Rate(TX/RX) | Gbit/s | 1.25 |
Optical Characteristics
Parameter | Unit | Min. | Typ. | Max. | ||
TX Central Wavelength | nm | 1480 | 1500 | |||
Spectral Width (-20dB) | nm | 1 | ||||
SMSR | dB | 30 | ||||
Mean Launched Power | dBm | 5 | 8 | |||
Mean Launched Power (TX Off) | dBm | -39 | ||||
Extinction Ratio(Note 1) | dB | 9 | ||||
TX Total Jitter | UI | 0.43 | ||||
Rise/Fall Time (20%-80%) | ps | 260 | ||||
RIN15OMA | dB/Hz | -115 | ||||
Optical Return Loss Tolerance | dB | -12 | ||||
Transmitter and dispersion Penalty(20km G.652) | dB | 2.3 | ||||
TX Optical Eye Mask | Compliant With IEEE Std 802.3ah™-2004 | |||||
Receive Wavelength | nm | 1260 | 1360 | |||
Sensitivity (Note 2) | dBm | -33 | ||||
Overload | dBm | -6 | ||||
Dynamic Rang | dB | 25 | ||||
Receiver Threshold Settling Time | ns | 250 | ||||
RX Dynamic Range(Note 3) | dBm | -30 | -6 | |||
LOS-Deassert | dBm | -34 | ||||
LOS-Assert | dBm | -45 | ||||
SD Hysteresis | dB | 0.5 | 6 | |||
Receiver Reflectance | dB | -12 |
Note:
Electrical Characteristics
Parameter | Unit | Min. | Typical | Max. |
Power Supply Current | mA | 300 | ||
Data Input Differential Swing | mV | 200 | 1600 | |
Data Differential Impedance | Ω | 90 | 100 | 110 |
TTL Input -Low | V | 0 | 0.8 | |
TTL Input -High | V | 2.0 | Vcc | |
TTL Output -Low | V | 0 | 0.4 | |
TTL Output -High | V | 2.4 | Vcc | |
Data Output Differential Swing | mV | 400 | 1600 | |
Los Assert Time | ns | 500 | ||
Los Deassert Time | ns | 500 |
RSSI Trigger Time Sequence
Item | Symbol | Min | Max | unit |
Trigger width | Tw | 1 | 1.25 | us |
I2C Waiting Time | Twait | 500 | us |
Pin Definition
Pin No. | Name | Level/Logic | Function | Description |
1 | GNDT | NA | Ground | Transmitter Ground |
2 | TX_Fault | LVTTL | TX Fault | TX Fault Alarm, TX Fault State: High; TX Normal State: Low |
3 | TX_Dis | LVTTL | Transmitter Enable/Disable | Active High |
4 | MOD-DEF2 | LVTTL | SDA | I2C clock |
5 | MOD-DEF1 | LVTTL | SCL | I2C data |
6 | MOD-DEF0 | MOD-DEF0 | Module Definition 0, Grounding in SFP | |
7 | RSSI_Trig | LVTTL | RSSI Trigger | Active High for Sampling |
8 | LOS | LVTTL | Receiver Signal Detection | Loss of Signal. Asserted when light is off |
9 | GNDR | NA | Ground | Receiver Ground |
10 | GNDR | NA | Ground | Receiver Ground |
11 | GNDR | NA | Ground | Receiver Ground |
12 | RD- | LVPECL | Rx Data- | RX data NOT output, DC coupled output |
13 | RD+ | LVPECL | Rx Data+ | RX data output, DC coupled output |
14 | GNDR | GNDR | Ground | Receiver Ground |
15 | VccR | NA | Receiver Power Supply | Rx Power |
16 | VccT | NA | Transmitter Power Supply | Tx Power |
17 | GNDT | GNDT | Ground | Transmitter Ground |
18 | TD+ | LVPECL | Tx Data+ | TX data input, internally AC coupled with 100ohm terminated |
19 | TD- | LVPECL | Tx Data- | TX data NOT input, internally AC coupled with 100ohm terminated |
20 | GNDT | NA | Ground | Transmitter Ground |