| NO. | Brand | Compatible P/N | Transceiver Type |
| 1 | Cisco | QSFP-40G-CSR4 | QSFP-40G-SR4(Cisco) |
| 2 | Alcatel-Lucent | QSFP-4X10G-SR | QSFP-40G-SR4(Huawei) |
| 3 | Arista | QSFP-40G-XSR4 | QSFP-40G-SR4(Dell) |
| 4 | Dell | 0MV31 | QSFP-40G-IR4 |
| 5 | H3C | QSFP-40G-CSR4-MM850 | QSFP-40G-LG4 |
| 6 | HPE Aruba | JH233A | QSFP-40G-ER4 |
| 7 | HPE H3C | JG709A | QSFP-40G-ZR4 |
| 8 | Huawei | QSFP-40G-eSR4 | |
| 9 | Juniper | QFX-QSFP-40G-ESR4 | |
| 10 | NVIDIA(Mellanox) | MC2210411-SR4E |
| HPE Aruba Compatible | JH233A | Vendor Name | HYTOPTODEVICE |
| Form Factor | QSFP+ | Max Data Rate | 42Gbps (4x 10.5Gbps) |
| Wavelength | 850nm | Max Distance | 300m@OM4/400m@OM3 |
| Connector | MTP/MPO | Transmitter Type | VCSEL 850nm |
| Cable Type | MMF | Receiver Type | PIN |
| TX Power | -8.0~2.0dBm | Receiver Sensitivity | < -13dBm |
| Power Consumption | ≤1.5W | Modulation | NRZ |
| Protocols | 40G Ethernet, SATA/SAS3, IEEE 802.3ba, MSA Compliant | Operation Temperature | 0 to 70°C (32 to 158°F) |
Usage Guidelines & Best Practices
Fiber Choice: Only compatible with OM3 / OM4 multi‑mode MPO‑12 trunk cabling; single‑mode fiber cannot facilitate 850 nm SR4 operation and will produce link failure.
Distance Limit: Max 300m (OM3) / 400m (OM4). Dirty end faces, excessive splicing and sharp bending will reduce actual transmission distance.
Cleanliness & Dust: Keep dust caps on whenever unattached. Clean fiber end-faces with a optical cleaning pen before insertion; dust causes over 80% of optical link failures.
Installation Specification: Hot‑plug supported; keep MPO connector end‑faces clean, observe minimum fiber‑bend radius requirements.
Operating Environment: Designed for commercial‑grade 0°C‑70°C ambient conditions; maintain adequate cabinet‑level airflow to prevent excessive module temperature build‑up.
Full Compatibility List and Supported Devices
1. Supported Hardware & Firmware
Pre-calibrated HPE Aruba dedicated EEPROM ensures plug-and-play recognition, avoiding unrecognized port and link instability. All modules pass real-machine aging testing for mainstream Aruba CX platforms.
Validated Aruba Platforms:
Primary Application Scenarios





1. 40G Connectivity for Data Center
High speed, low overhead. The QSFP+ 40G transceiver brings gigabit-class throughput to dense data center racks while drawing less power and taking up less space.



FAQ
Q1: Will HYTOPTODEVICE’s QSFP+ 40G CSR4 optical module work with my HPE Aruba CX series switch? A: This HYTOPTODEVICE compatible QSFP+ 40G CSR4 transceiver can run on HPE Aruba switches with preloaded matching EEPROM data. We request your exact switch model and firmware version before purchase to validate full interoperability and avoid unexpected port recognition issues.
Q2: What should I do if my Aruba switch pops up an unsupported transceiver warning after installing this CSR4 module? A: Vendor lock mismatch in module coding is the main trigger for this alert. HYTOPTODEVICE modules are pre-flashed with correct OEM coding; if the warning remains, check port settings, upgrade switch firmware or reach out to our team for EEPROM recoding service.
Q3: Can this JH233A replacement 40G CSR4 transceiver integrate into my existing 10G SFP+ multimode fiber network? A: It can connect to your existing 10G SFP+ hardware via breakout cabling. This QSFP+ 40G CSR4 module splits one 40G port into 4 independent 10G links using MPO-to-4×LC breakout cable, supporting smooth staged network migration for your data center.
Q4: Can I directly connect this QSFP+ 40G CSR4 transceiver to passive DAC or active AOC cables at the far end? A: Direct connection with DAC or AOC is not supported. This optical CSR4 transceiver only pairs with another optical SR4/CSR4 transceiver or qualified media converter, since DAC/AOC use different electrical interfaces and cannot form valid optical links.
Q5: Is it possible to split one 40G port into four separate 10G links using this HYTOPTODEVICE QSFP+ 40G CSR4 transceiver? A: Yes, breakout to four 10G links is fully supported. Using an MPO-to-4×LC fanout cable, a single 40G CSR4 port can feed four 10G SFP+ ports, which helps customers reuse existing 10G multimode infrastructure for network upgrade projects.
Q6: Can I hot-swap this Aruba JH233A compatible transceiver without powering down the Aruba switch? A: This QSFP+ 40G CSR4 module supports hot swap. You can install or replace the transceiver without powering off your Aruba switch, just follow standard ESD protection practices to prevent static damage during handling.
Q7: Which fiber cable type should I select when connecting 10G network equipment with this 40G CSR4 transceiver? A: Cable selection depends on your networking mode. Use MPO-to-4×LC duplex fanout cable for 4×10G breakout deployment, while MPO-to-MPO trunk cable is required for direct 40G-to-40G optical interconnection with HYTOPTODEVICE CSR4 transceivers.
Q8: How will dirty MPO end faces affect link performance of this 40G CSR4 optical transceiver? A: MPO connector cleanliness is extremely critical for reliable CSR4 links. Dust and dirt on MPO ferrule is the top cause of link dropouts and may permanently damage VCSEL laser; inspect and clean the connector before every insertion of HYTOPTODEVICE modules.
Q9: How to confirm that these QSFP+ 40G CSR4 transceivers you supply are brand-new rather than refurbished goods? A: You can verify authenticity by requesting full batch documentation. HYTOPTODEVICE provides serial number traceability, factory test reports, batch records and original packaging photos, with DOA replacement and formal warranty to guarantee non-refurbished brand-new modules.
Q10: What warranty terms and RMA process do you offer for bulk procurement of QSFP+ 40G CSR4 optical transceivers? A: HYTOPTODEVICE provides 5-year warranty and streamlined RMA service for this QSFP+ 40G CSR4 transceiver. Simply report the fault, return the defective module, and we arrange replacement, you can get all policy terms confirmed in written contract before bulk purchase.
Q11: Does long-time continuous operation cause gradual performance degradation for this QSFP+ 40G CSR4 module? A: Slow laser aging is normal and can be monitored via built-in DDM function. HYTOPTODEVICE high-quality CSR4 modules sustain stable links for multiple years; sudden link failures are mostly caused by fiber contamination, overheating or ESD instead of natural laser aging.
Q12: Why is the selling price of your QSFP+ 40G CSR4 transceiver lower than the original OEM Aruba optical module? A: Our lower price comes from direct factory supply without OEM brand premium and multi-level channel markup. HYTOPTODEVICE QSFP+ 40G CSR4 transceivers match OEM functionality for standard data center applications; cost reduction does not mean compromised product quality.
Q13: What support can I get if my QSFP+ 40G CSR4 transceiver arrives dead-on-arrival after delivery? A: HYTOPTODEVICE offers free replacement for DOA modules within 30 days after receiving goods. Keep the original package and test logs ready, so we can speed up the RMA replacement process for your QSFP+ 40G CSR4 bulk order.
Q14: Are sample QSFP+ 40G CSR4 units available for pre-test compatibility validation on my Aruba network environment? A: HYTOPTODEVICE provides sample options for qualified buyers. You can order paid samples, and the sample cost can be credited back when you place your first bulk order, allowing you to test compatibility on Aruba hardware before large-scale deployment.
Q15: What is the correct operation to install this HPE Aruba compatible QSFP+ 40G CSR4 optical transceiver? A: Gentle alignment and insertion is the correct installation method. Align the module with the port keyway, push softly until fully seated and lock the latch; never force insertion, as misalignment may bend internal pins and damage your Aruba switch port and HYTOPTODEVICE transceiver.
Packaging & Custom OEM Solutions
Every 40G QSFP+ SR4 module ships in sealed ESD-safe packaging, ready for same-day dispatch. Bulk orders offer OEM customization—logo printing and private labeling—tailored for network distributors, integrators, and enterprise deployments.
Why Network Engineers Choose HYTOPTODEVICE
HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.
“Phenomenal performance. We deployed 200 HYTOPTODEVICE SFP+ modules to replace Cisco OEMs in our backbone network. Result? Zero compatibility issues and a 60% reduction in costs. Highly recommended for mission-critical networks."— Senior Network Engineer, Regional Telecom, Australia
Quality Certification & Compliance
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final visual inspection, from IQC、IPQC、FQC to OQC, our processes ensure global compliance and reliability.
We adhere to rigorous standards for our SFP modules and network solutions:
ISO 9001: Certified quality management and production consistency.
CE & FCC: Fully compliant for seamless Global Market Access.
RoHS: Committed to environmental responsibility and hazardous material control.
Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.
Certified Quality. Global Standards. Guaranteed Performance.



