400G QSFP-DD ER4 40km
- Adopts hot-pluggable QSFP-DD packaging
- 4-channel full-duplex transceiver module
- Rate up to 425Gbps
- EML transmitter and APD receiver
- 4-channel LWDM MUX/DEMUX design
- 4×106.25Gbps PAM4 signal modulation
- 8×53.125Gb/s electrical interface (400GAUI-8)
- Center wavelength 1310nm
- Transmission distance 40km
- Duplex LC connector
- Maximum power consumption less than 12W
- Built-in digital diagnostic monitoring (DDM)
- Complies with IEEE 802.3bs, CMIS 4.0, and QSFP-DD MSA Ethernet standards
- Complies with RoHS environmental standards (lead-free), Telcordia (Bellcore) GR-468-CORE reliability requirements
- Class 1/1M product, meets IEC60825-1 requirements
- Meets EMI and ESD requirements
- Operating temperature 0 ~ 70℃
- Operating voltage 3.3V
Warranty : 30-Day Free Return, 3-Year Free Replacement, 5-Year Warranty, Lifetime After-sales Technical Support.
| Product Model | QDD-400G-ER4 | Vendor Name | Walsun |
| Form Factor | QSFP-DD | Data Rate | 425Gbps |
| Wavelength | 1310nm | Distance | 40km |
| Connector | LC Duplex | Cable Type | SMF |
| Transmitter Type | EML | Detector Types | APD |
| TX Power | 0.4~6.5dBm | Receiver Sensitivity | < -16.5dBm |
| Power Consumption | ≤12W | Operation Temperature | 0~70°C |
| DDM | Support | EMC | Support |
| Modulation | PAM4 | CDR | TX & RX with built-in CDR |
| Protocols | IEEE 802.3bs、SFF-8636、SFF-8679、 QSFP-DD MSA、CPRI, eCPRI | ||
Q: What 800G optical modules does Huaxun Optoelectronics offer?
A: Huaxun Optoelectronics offers the following 800G modules as listed in the table below:
Q: What types of 400G optical modules does Huasun Optical provide?
A: Huasun Optical supports a full range of 400G optical modules in OSFP and QSFP-DD packaging formats. The specific models and parameters are as follows:
400G Optical Modules
|
Model Name
|
Max Transmission Distance
|
Connector Type
|
Fiber Type
|
Power Consumption
|
|---|---|---|---|---|
|
70m@OM3/100m@OM4
|
MTP/MPO-16 (APC)
|
Multimode
|
≤10W
|
|
|
500m
|
MTP/MPO-12 (APC)
|
Single-mode
|
≤10W
|
|
|
40km
|
MTP/MPO-12
|
Single-mode
|
≤12W
|
|
|
2km
|
LC Duplex
|
Single-mode
|
≤12W
|
|
|
10km
|
LC Duplex
|
Single-mode
|
≤12W
|
|
|
500m
|
MTP/MPO-12
|
Single-mode
|
≤10W
|
|
|
10km
|
LC Duplex
|
Single-mode
|
≤14W
|
|
|
50m
|
LC Duplex
|
Single-mode
|
≤14W
|
400G DAC/AOC High-Speed Cables
|
Product Type
|
Max Transmission Distance
|
Connector Type
|
Power Consumption
|
|---|---|---|---|
|
400G QSFP-DD DAC/AOC Direct Attach Cable
|
100m
|
QSFP-DD
|
≤11W
|
|
400G DAC/AOC Breakout Cable
|
50m
|
QSFP-DD – 2x QSFP56, QSFP-DD – 4x QSFP56, QSFP-DD – 4x QSFP28, QSFP-DD – 8x SFP56
|
≤11W
|
Q: What are the application scenarios for Walsun 400G QSFP-DD optical modules?
A: Walsun 400G QSFP-DD optical modules are typically used in scenarios with high bandwidth requirements, such as internal connections within data centers, interconnections between data centers, and connections between network devices.
Q: Can an OSFP optical module be used on one end of a 400G link while using a QSFP-DD optical module on the other end?
A: Yes, it can. OSFP and QSFP-DD describe the physical size of the optical modules. As long as the products comply with the same protocol standard specifications (such as both ends being 400G-LR4 or 400G-FR4), OSFP and QSFP-DD optical modules can be mutually compatible.
Q: Can a 400G OSFP optical module be used on a QSFP-DD port?
A: No, it cannot. QSFP-DD and OSFP optical modules have different physical sizes and different pin configurations, making them incompatible with each other.
Q: What are the advantages and disadvantages of OSFP and QSFP-DD optical modules?
A: OSFP has a larger size that may not be compatible with some optoelectrical interfaces. QSFP-DD, based on the QSFP size, adds an additional row of electrical pins. Therefore, QSFP-DD optical modules can effectively maintain backward compatibility with 40G and 100G QSFP optical modules, and they are also compatible with QSFP28 optical modules. However, in terms of heat dissipation, OSFP optical modules integrate heat sinks inside the module housing, providing a larger heat dissipation surface area compared to QSFP-DD optical modules. This optimal thermal contact between the heat sink components and the heat sink itself enhances the heat dissipation performance, which is superior to that of QSFP-DD optical modules.
Q: How to choose the right 400G QSFP-DD optical module?
A: When selecting a 400G QSFP-DD optical module, factors to consider include transmission distance, fiber type, power consumption, compatibility, and ensuring compatibility with other equipment. It is important to evaluate these factors to ensure the optical module meets the specific requirements of the network or application environment.
Looking for more information?
You’re in the right place. Simply download the datasheet to help you make the right product choice.
| Product Number | Data Rate (Gb/s) |
Wavelength (nm) |
Reach (km) |
LD | Tx Power (dBm) |
PD | Rx Sens (dBm) |
Temperature (℃) |
Download |
| HXEP-ML341C | 400 | L0:1304.58 L1:1306.85 L2:1309.14 L3:1311.43 |
40 | EML | +0.4~+6.5 | PIN+SOA | < -16.5 | 0~70 |  |
| HXEP-ML331C | 400 | L0:1304.58 L1:1306.85 L2:1309.14 L3:1311.43 |
30 | EML | 0~5.6 | APD | < -14.7 | 0~70 | |
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