Are your optical modules compatible with Cisco, Huawei, Arista, and Juniper?

Yes. All HYTOPTODEVICE optical modules are 100% compatible with major brands including Cisco, Huawei, Arista, and Juniper switches and routers, with no configuration changes required.

Are your modules new or refurbished?

All HYTOPTODEVICE modules are brand new, original manufactured products. We do not sell refurbished or used optical modules.

Do your optical modules support DDM/DOM monitoring?

Yes. Our optical modules support Digital Diagnostic Monitoring (DDM/DOM), allowing real-time monitoring of temperature, voltage, current, TX power, and RX power.

What is your warranty policy?

HYTOPTODEVICE provides a standard warranty on all optical modules. Please contact our sales team for specific warranty terms and conditions.

Do you ship internationally from Shenzhen, China?

Yes. We ship worldwide from our facility in Shenzhen, China. International shipping is available for all orders including bulk and OEM orders.

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Home > All Collections > Optical Transceiver > 100G QSFP28 > HPE JH420A Compatible 100G QSFP28 Transceiver Module | PSM4 1310nm 500m MPO SMF Bulk Factory Wholesale | HYTOPTODEVICE

HPE JH420A Compatible 100G QSFP28 Transceiver Module | PSM4 1310nm 500m MPO SMF Bulk Factory Wholesale | HYTOPTODEVICE

HYTOPTODEVICE HPE JH420A X150 compatible 100G PSM4 QSFP28 parallel optic, 4×25G 1310nm lanes, 500m MPO OS2 single fiber. Pre-flashed Comware EEPROM zero alarm, full DDM & RS-FEC, support 100G to 4×25G breakout for HPE FlexFabric leaf-spine data center fabrics. Support Bulk wholesale, private label and custom EEPROM coding for global importers, distributors and integrators.

NO.	Brand	Compatible P/N	Remarks
1	Cisco	QSFP-100G-PSM4-S
2	Arista Networks	QSFP-100G-PSM4
3	Dell	Q28-100G-PSM4-IR
4	Huawei	QSFP28-100G-PSM4
5	HPE	JH420A
6	Juniper	JNP-QSFP-100G-PSM4
7	EdgeCore	ET7402-PIR4

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Description

HPE JH420A Compatible 100G QSFP28 Transceiver | PSM4 1310nm 500m MPO SMF | HYTOPTODEVICE

Product Overview

This HYTOPTODEVICE 100G PSM4 QSFP28 is a 1:1 drop-in replacement for original HPE JH420A X150 transceiver.

It offers seamless plug-and-play operation on all HPE FlexFabric Comware switches.

It adopts four independent 25G NRZ parallel lanes at 1310nm wavelength.

Stable 500m transmission is supported over MPO-12 APC OS2 single-mode ribbon fiber.

Without internal CWDM multiplexer components, this optic cuts link attenuation and simplifies dense MPO rack wiring.

It fully complies with IEEE 802.3bm and universal QSFP28 MSA standards.

Each unit is pre-programmed with HPE Comware-matched EEPROM data to eliminate unsupported transceiver pop-ups.

Built-in RS-FEC error correction and complete DDM real-time monitoring simplify daily network O&M.

Main deployment scenarios: HPE leaf-spine fabric, rack trunk lines, HPC server uplinks and 100G-to-4×25G breakout networking.

Key Technical Specifications

HPE Compatible	JH420A	Vendor Name	HYTOPTODEVICE
Form Factor	QSFP28	Max Data Rate	103.125Gbps (4x 25.78Gbps)
Wavelength	1310nm	Max Distance	500m@OS2
Connector	MTP/MPO-12 APC	Transmitter Type	4xDFB
Cable Type	SMF	Receiver Type	PIN
FEC Support	Yes	TX Power	-5.5~+2dBm
Power Consumption	<3.5W	Receiver Sensitivity	< -10.2dBm
Protocols	QSFP28 MSA, SFF-8636, IEEE 802.3‑2012，CAUI-4	Operation Temperature	0 to 70°C (32 to 158°F)

Usage Guidelines & Best Practices

• Fiber Matching Rule: Only MPO-12 APC 8° angled OS2 single-mode ribbon fiber can be used; OM3/OM4 multimode fiber or UPC polished MPO cables will trigger link failure and hardware damage.

• Lane Polarity Control: Confirm MPO fiber lane sequence and polarity match before powering on ports; misaligned lanes lead to severe receive power imbalance and continuous packet loss.

• Distance Restriction: Stable performance is only guaranteed within the standard 500m MSA rated range; extended fiber routes bring excess lane skew and optical attenuation.

• Hot-Plug Support: Modules support live insertion and removal; regularly clean MPO APC end faces to eliminate dust-induced signal distortion.

• Operating Environment: Limit deployment to indoor 0°C–70°C data center environments; avoid fully sealed cabinets with poor ventilation causing persistent overheating.

Full Compatibility List & Supported Network Hardware

1. Supported Hardware & Firmware

HYTOPTODEVICE JH420A compatible PSM4 fully matches original HPE mechanical and optical parameters.
Custom Comware EEPROM coding blocks third-party authentication warning logs.
Every transceiver passes real machine testing to avoid lane imbalance and random link flapping.
Validated HPE FlexFabric Platforms:
• HPE FlexFabric 12900 / 10500 modular core switches
• HPE FlexFabric 5940 / 5945 leaf/spine data center switches
• HPE FlexFabric 7500X enterprise aggregation switches
• HPE Comware low-latency storage switching hardware
• HPE rack servers with QSFP28 100G parallel NIC adapters

2. Multi-Brand Cross Compatibility

Built on universal QSFP28 MSA open industry standards.

This HPE replacement PSM4 optic interoperates with Cisco, Juniper, Dell, H3C, Arista and Mellanox switches.

It fits multi-vendor hybrid cloud fabric and cross-pod colocation interconnection projects.

3. Free Value-Added Services

We offer free HPE-specific EEPROM reprogramming for all bulk QSFP28 orders.

Custom private label printing and one-step data center deployment support are available.

Every 100G PSM4 transceiver finishes calibration, thermal cycle and 72-hour aging test.

Volume wholesale buyers enjoy tiered discounts to cut overall data center CAPEX cost.

Primary Application Scenarios

• 500m intra-fabric rack-to-rack interconnections inside HPE leaf-spine architectures

• High-density aggregation trunk links for enterprise cloud and multi-tenant colocation data centers

• Low-latency 100G uplinks connecting ToR switches to AI, HPC and virtualization server clusters

• Inter-pod parallel optical transmission using MPO single-mode ribbon fiber

• Network upgrade projects from legacy 40G parallel optics to 100G PSM4

• Standard 100G to 4×25G breakout network deployment for segmented server bandwidth expansion

• Multi-brand hybrid fabric short-distance interconnection built on MPO cabling infrastructure

Connectivity Solutions(Applications)

1.Leaf-Spine Architecture
Low-loss parallel lanes build stable 500m inter-switch links for HPE FlexFabric networks..

No extra CWDM filters reduce signal attenuation and smooth VM & container east-west traffic.

2. 100G to 100G for Switch-Switch Interconnection

Use existing MPO OS2 ribbon fiber to set up standardized rack trunk lines.

No complicated wavelength planning speeds up data center capacity expansion.

3.100G to 100G for Switch-NIC Connection

Compact MPO APC connector tidies dense cabinet wiring for GPU and HPC server uplinks.

Reserve cabinet space for future 400G parallel optic infrastructure upgrades.

4. 100G to 4×25G Breakout

Four independent optical lanes support MPO breakout cables, splitting one 100G QSFP28 port into four separate 25G SFP28 uplinks to boost port utilization.

The Core Feature

1.Low Power and High-Density Realize 100G Connectivity for Data Center

Max power consumption limited to 3.5W, much lower than CWDM4 and QSFP28 LR4 modules.

Low thermal load prevents hotspots on fully populated high-density switch line cards.

Cut data center cooling energy cost and lower PUE value for long-term 24/7 operation.

HYTOPTODEVICE 100G QSFP28 PSM4 module with low power & high-density design realizes stable 100G parallel connectivity for dense data center cabinets

2.Verified Host Interoperability

Each batch preloaded with HPE JH420A X150 matching EEPROM identity data.

Passed cross-generation FlexFabric real-machine verification on new and legacy Comware firmware.

Hot-swap installation without unknown transceiver alerts or port lock restrictions.

Arista QSFP-100G-PSM4 compatible PSM4 QSFP28 fully validated on multi-generation Arista EOS switches

3.Comprehensive Factory Testing & Reliable Performance

Each optic undergoes precise optical calibration and alternating high-low temperature cycling.

72-hour full-rate traffic burn-in eliminates early failure risks before shipment.

Built DDM monitoring allows remote real-time fault check to reduce on-site maintenance.

Factory calibrated 100G PSM4 QSFP28 with 72-hour aging test for 24/7 data center production use

FAQ

Q1: Can HYTOPTODEVICE HPE JH420A PSM4 run without authentication alarms on FlexFabric Comware switches?

A: HYTOPTODEVICE pre-writes exclusive Comware-matched EEPROM for this JH420A replacement optic. After hot plug on all HPE 5940/12900 series switches, no unsupported transceiver warning logs appear, saving engineers manual port policy edits.

Q2: Can I directly link HPE JH420A PSM4 with CWDM4 or LR4 duplex LC transceivers via fiber cable?

A: Direct optical communication cannot be established. Our HPE compatible PSM4 uses four parallel MPO 1310 lanes, while CWDM4/LR4 multiplex wavelengths on duplex LC cords. Their internal optical structures are fully incompatible.

Q3: Can this HPE JH420A QSFP28 be inserted into old 40G QSFP+ switch ports?

A: Normal transmission cannot be achieved. QSFP+ hardware lacks dedicated DSP chips required for 4×25G PSM4 parallel signaling, leading to complete port initialization failure.

Q4: Does this HPE JH420A compatible module support complete Digital Diagnostics Monitoring (DDM / DOM)?

A: Yes, standard-compliant PSM4 modules include real-time DDM/DOM to monitor transmit power, receive power, operating temperature, laser bias current, and supply voltage.

Q5: Will this HPE JH420A transceiver auto downshift to 40G or 10G when connected to low-speed ports?

A: No. QSFP28 PSM4 operates strictly at fixed 100Gbps (4x 25.78Gbps lanes) or 4x25Gbps in breakout mode. It does not downshift to 40G or 10G automatically.

Q6: Can blue UPC MPO patch cords be used on this HPE JH420A APC PSM4 port?

A: Using UPC cables is strictly prohibited. Flat UPC polish creates severe light back reflection, scratching internal laser parts and distorting all four parallel optical signals permanently.

Q7: Do optical attenuators needed for 1–5m short MPO fiber runs with HYTOPTODEVICE HPE JH420A?

A: No extra attenuators are required. Our factory calibrates transmit power with full safety margin, short patch cables will not cause receiver chip overload damage.

Q8: What MPO fiber connector type is mandatory to pair with HPE JH420A 100G PSM4 module?

A: It requires a female MPO/MTP APC (Angle Polished Connector) single-mode cable.

Q9: Can HPE JH420A PSM4 run stable links over fiber longer than 500m with premium low-loss OS2 ribbon?

A: Not recommended for production FlexFabric deployment. Exceeding 500m exceeds MSA optical budget and lane skew tolerance, triggering fluctuating BER and intermittent port flapping.

Q10: What MPO polarity cable should I use for direct transceiver-to-transceiver connections on HPE switches?

A: A standard Type-B (Key-Up to Key-Up) crossover MPO-12 APC cable is required for direct connection.

Q11: Does HYTOPTODEVICE HPE JH420A support standard RS-FEC error correction on Comware firmware?

A: IEEE 802.3bj Clause 91 RS-FEC hardware decoding is fully integrated. Enable FEC on corresponding switch ports to hit ultra-low BER under 10⁻¹².

Q12: How important is regular MPO end-face cleaning for stable HPE JH420A PSM4 fabric links?

A: Extremely critical. An MPO connector has 8 or 12 exposed fiber ends; a single particle of dust can block an entire 25G lane or cause high optical return loss.

Q13: What breakout cable matches HPE JH420A for 100G to 4x25G SFP28 split uplinks?

A: You need an MPO-APC (Female) to 4x Duplex LC (APC/UPC) Single-Mode breakout patch cable.

Q14: What core optical difference separates 100G PSM4 and 100G SR4 transceivers?

A: SR4 uses Multimode Fiber (OM3/OM4, 850nm) up to 100m. PSM4 uses Single-Mode Fiber (OS2, 1310nm) up to 500m.

Q15: What typical and maximum power draw of HYTOPTODEVICE HPE JH420A PSM4 module?

A: Power consumption is typically ≤ 2.5W (maximum 3.5W), making it cooler and more power-efficient than CWDM4 or LR4 modules.

Q16: What temperature ranges are available for HYTOPTODEVICE HPE JH420A compatible transceivers?

A: Standard Commercial Temperature range is 0°C to 70°C (32°F to 158°F). Industrial grade (-40°C to 85°C) is available for special applications.

Q17: What wholesale support does HYTOPTODEVICE offer bulk buyers of HPE JH420A PSM4?

A: Bulk orders enjoy tiered volume pricing, free Comware EEPROM rewrite, custom private labeling and full optical test reports to cut large FlexFabric project costs.

Q18: Why choose HYTOPTODEVICE HPE JH420A PSM4 instead of LR4 for under 500m rack links?

A: This PSM4 has simpler internal structure, lower unit price and ≤3.5W power draw, the most cost-effective high-density choice for HPE intra-data center leaf-spine interconnections.

Q19: In which network scenarios CWDM4 beats mass MPO PSM4 on overall deployment cost?

A: CWDM4 saves total expenditure for cross-building long links or low fiber-count projects, as high-cost MPO ribbon cables offset PSM4 module price advantages.

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.

Up to 70% cost savings vs OEM, transparent pricing & flexible bulk rates, supported quality returns
100% real-device compatible with Cisco, Huawei,Dell,Juniper, and Arista
ISO 9001:2015 Shenzhen factory, full lineup: 1.25G/10G/25G/40G/100G/200G/400G/800G/1.6T transceivers
Ample stock, fast global DHL/FedEx shipping in 3–5 working days
Free pre-sales engineering support for custom EEPROM & private label firmware
Real switch test videos available for pre-purchase review; inspection & shipping videos provided per order

“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.

Rigorous Industrial Product Testing

100% 3rd Party Compatible

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