Product Features:
l 4 channels 850nm VCSEL and PIN;
l Electrical interface compliant to SFF-8436;
l Support 40Gb/s data rate;
l Hot Pluggable QSFP form factor;
l Four double LC connector receptacle;
l Built-in digital diagnostic functions;
l 3.3V power supply voltage;
l UL certification cables (optional);
l RoHS-6 Compliant;
l Case operating temperature;
Commercial: 0°C to +70°C
I. Pin Descriptions
QSFP MSA-compliant 38-pinconnector
Pin | Symbol | Name/Description | Notes |
1 | GND | Ground | 1 |
2 | Tx2n | Transmitter Inverted Data Input | |
3 | Tx2p | Transmitter Non-Inverted Data Input | |
4 | GND | Ground | 1 |
5 | Tx4n | Transmitter Inverted Data Input | |
6 | Tx4p | Transmitter Non-Inverted Data Input | |
7 | GND | Ground | 1 |
8 | ModSelL | Module Select | |
9 | ResetL | Module Reset | |
10 | VccRx | +3.3 V Power supply receiver | |
11 | SCL | 2-wire serial interface clock | |
12 | SDA | 2-wire serial interface data | |
13 | GND | Ground | 1 |
14 | Rx3p | Receiver Non-Inverted Data Output | |
15 | Rx3n | Receiver Inverted Data Output | |
16 | GND | Ground | 1 |
17 | Rx1p | Receiver Non-Inverted Data Output | |
18 | Rx1n | Receiver Inverted Data Output | |
19 | GND | Ground | 1 |
20 | GND | Ground | 1 |
21 | Rx2n | Receiver Inverted Data Output | |
22 | Rx2p | Receiver Non-Inverted Data Output | |
23 | GND | Ground | 1 |
24 | Rx4n | Receiver Inverted Data Output | |
25 | Rx4p | Receiver Non-Inverted Data Output | |
26 | GND | Ground | 1 |
27 | ModPrsL | ModulePresent | |
28 | IntL | Interrupt | |
29 | VccTx | +3.3 V Power supply transmitter | |
30 | Vcc1 | +3.3 V Power Supply | |
31 | LPMode | Low Power Mode | |
32 | GND | Ground | 1 |
33 | Tx3p | Transmitter Non-Inverted Data Input | |
34 | Tx3n | Transmitter Inverted Data Input | |
35 | GND | Ground | 1 |
36 | Tx1p | Transmitter Non-Inverted Data Input | |
37 | Tx1n | Transmitter Inverted Data Input | |
38 | GND | Ground | 1 |
Notes:
1. Circuit ground is internally isolated from chassis ground.
II. Absolute Maximum Ratings
Parameter | Symbol | Min | Type | Max | Unit | Ref. |
Supply Voltage | Vcc | -0.5 | 3.6 | V | ||
Storage Temperature | TS | -5 | 75 | ℃ | ||
Case Operating Temperature | TOP | 0 | 70 | ℃ | ||
Relative Humidity | RH | 5 | 85 | % | 1 | |
Damage Threshold | DT | 3 | dBm |
Notes:
1.Non-condensing.
III. Recommended Operating Conditions
Parameter | Symbol | Min | Type | Max | Unit |
Case Operating Temperature | Top | 0 | 70 | ℃ | |
Supply Voltage | VCC | 3.15 | 3.3 | 3.45 | V |
Differential data input voltage per lane | Vdin | 200 | 1200 | mV | |
Signaling rate per lane | Dr | 2.5 | 10.3125 | Gbit/s | |
Differential Termination Resistance | Zin | 80 | 100 | 120 | Ω |
Module power | P | 1.5 | W |
IV. Optical Characteristics
Parameter | Symbol | Min | Type | Max | Unit |
Transmitter | |||||
Center wavelength | λc | 840 | 850 | 860 | nm |
RMS Spectral Width | Pm | 0.6 | nm | ||
Average Launch Power per Lane | PAVG | -6.0 | +2.4 | dBm | |
Optical Extinction Ratio | ER | 3 | dB | ||
Average Launch power Tx_off | Poff | -30 | dBm | ||
Receiver | |||||
Center wavelength | λc | 840 | 850 | 860 | nm |
Sensitivity@BER=E- 12 | Psen | -10.2 | dBm | ||
Optical Return Loss Tolerance | RL | 12 | dB | ||
LOS De-Assert | LOSD | -15 | dBm | ||
LOS Assert | LOSA | -30 | dBm | ||
LOS Hysteresis | LOSH | 0.5 | dB | ||
V. Memory Map and Control Registers
Compatible with SFF-8436
VI. Recommended Interface Circuit

VII. Mechanical Specifiactions
Cable Length Tolerant
Cable Length(Unit: m) | Tolerant(Unit: cm) |
<1.0 | +5/-0 |
1.0~4.5 | +15/-0 |
5.0~14.5 | +30/-0 |
≥15.0 | +2%/-0 |
LC cable | +5/-0 |
Product Features
l 4 channels 850nm VCSEL and PIN
l Electrical interface compliant to SFF-8436
l Support 40Gb/s data rate
l Hot Pluggable QSFP form factor
l Four double LC connector receptacle
l Built-in digital diagnostic functions
l 3.3V power supply voltage
l UL certification cables (optional)
l RoHS-6 Compliant
l Case operating temperature
Commercial: 0°C to +70°C
Applications | Compliance |
4x10G Ethernet | QSFP+ SFF-8436 |
QSFP+ MSA | |
RoHS |
Ordering Information
Package | Product part NO. | Distance | Temperature Range |
QSFP+ to 4LC | FSANAA38-M01C | 1-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M03C | 3-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M05C | 5-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M06C | 6-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M10C | 10-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M15C | 15-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M20C | 20-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M25C | 25-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M30C | 30-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-M50C | 50-metercable | Commercial: 0~70℃ |
QSFP+ to 4LC | FSANAA38-S10C | 100-metercable | Commercial: 0~70℃ |
*For availability of additional cable lengths, please contact Fibridge. | |||