Can HYTOPTODEVICE SFP-FE-LH40-SM1310 100BASE-EX SFP modules run on 10G/40G switch ports with reduced speed?

HYTOPTODEVICE 100BASE-EX modules only work on 100M/1G dual-rate SFP ports with speed adaptation. They cannot run on 10G/40G dedicated ports due to different hardware protocols. Our calibrated modules ensure stable low-speed operation on H3C enterprise switches.

Why do third-party SFP modules trigger “Unsupported Transceiver” alarms on H3C devices?

Generic transceivers trigger “Unsupported Transceiver” alarms due to mismatched EEPROM data. HYTOPTODEVICE SFP-FE-LH40-SM1310 modules use H3C-tailored firmware to pass official authentication, achieving zero-alarm and zero-log plug-and-play performance for batch deployment.

Is cross-speed communication achievable between 100BASE-EX and 1000BASE-EX SFP transceivers?

100BASE-EX and 1000BASE-EX modules cannot communicate directly. Both link ends must match in speed and duplex mode to avoid negotiation failure and flapping. HYTOPTODEVICE recommends unified specification deployment for stable long-distance fiber links.

Can HYTOPTODEVICE SFP-FE-LH40-SM1310 modules deliver reliable full 40km long-distance transmission?

Yes. HYTOPTODEVICE SFP-FE-LH40-SM1310 transceivers support stable full 40km transmission on standard single-mode fiber. Each module passes long-distance aging testing with reserved power margin, eliminating packet loss risks for enterprise WAN and cross-building projects.

Does short-distance testing under 1km pose risks for HYTOPTODEVICE 100BASE-EX 40km SFP transceivers?

Short-distance testing under 1km poses high receiver overload risks. Our 100BASE-EX modules feature -8~-2dBm Tx power, -32dBm sensitivity and -8dBm overload threshold. Built for 40km long-haul loss compensation, its high output power easily exceeds receiver saturation in zero-loss short links, causing signal distortion or permanent module burnout. For short-range debugging within 1km, a 5-10dB optical attenuator is mandatory to protect the receiver and ensure stable link status.

Can H3C SFP-FE-LH40-SM1310 compatible 100BASE-EX modules work with multimode fiber (MMF)?

No. 100BASE-EX is a dedicated single-mode SFP module. Multimode fiber brings excessive attenuation and link failure. Always deploy standard G.652/G.657 single-mode fiber to ensure 40km long-distance network stability.

What fiber connector type is standard for HYTOPTODEVICE 100BASE-EX 40km SFP deployment?

This module adopts standard Duplex LC connectors for all formal deployments. It ensures low optical reflectance and stable signal transmission for 40km long-distance single-mode fiber links, meeting mainstream enterprise cabling standards.

What is the standard transmit power range of HYTOPTODEVICE SFP-FE-LH40-SM1310 SFP transceivers?

HYTOPTODEVICE 100BASE-EX modules feature factory-standard Tx power of -8~-2dBm. Optimized for 40km single-mode transmission, the power range balances long-haul loss compensation and short-link overload control for stable enterprise networking.

What receiver sensitivity can users expect from our 100BASE-EX 40km optical transceivers?

Our 100BASE-EX SFP modules deliver -32dBm high receiver sensitivity. The high-performance PIN receiver captures weak signals effectively in 40km long-distance links, reducing bit errors and ensuring stable remote network operation.

How to calculate the accurate optical power budget and safe link attenuation for HYTOPTODEVICE 100BASE-EX 40km SFP links?

This HYTOPTODEVICE 100BASE-EX module provides a 24dB power budget, calculated as max Tx (-8dBm) minus min Rx sensitivity (-32dBm). At 1310nm, standard single-mode fiber attenuates ~0.35dB/km. Total link loss (fiber + splice + connector) must stay below 24dB. Reserve 3–5dB safety margin in formal projects to avoid bit errors and receiver overload.

Why do network bit errors and packet loss occur despite normal optical power readings?

Normal optical power with packet loss usually stems from port negotiation mismatch, dirty interfaces, poor fiber quality or electromagnetic interference. Not module quality issues. Fix port speed/duplex manually and clean ports to resolve abnormal network errors efficiently.

What are the core differences between 100BASE-EX (40km) and 100BASE-ZX (80km) SFP modules?

The primary differences between 100BASE-EX and 100BASE-ZX lie in transmission distance and laser type. Our 100BASE-EX modules adopt FP/DFB laser with 1310nm wavelength, supporting stable transmission up to 40km for campus and urban cross-building networking. By contrast, 100BASE-ZX modules adopt high-power DFB lasers and 1550nm low-attenuation wavelength, enabling ultra-long transmission up to 80km for cross-city and long-distance WAN networking.

Категории

Optical Transceiver

SFP

1.25G SFP

1.25G BiDi SFP

1.25G CWDM SFP 80KM

1.25G DWDM SFP 80KM

155M SFP

155M BiDi SFP

1.25G CSFP

SONET/SDH SFP

SFP+

10G SFP+

10G BiDi SFP+

10G CWDM SFP+

10G DWDM SFP+80KM

Fibre Channel SFP+

Customized SFP+

XFP

10G XFP

10G BiDi XFP

10G CWDM XFP

10G DWDM XFP

Copper-T RJ45

10G Copper-T RJ45

1.25G Copper-T RJ45

25G SFP28

40G QSFP+

100G QSFP28

200G QSFP56

400G QSFP-DD

400G QSFP112

400G OSFP

800G OSFP/QSFP-DD

Ethernet Switch

800G OSFP InfiniBand

400G OSFP/QSFP112 InfiniBand

200G QSFP56 InfiniBand

100G QSFP28 InfiniBand

Active Optical Cable

10G SFP+ AOC

25G SFP28 AOC

40G QSFP+ AOC

100G QSFP28 AOC

200G QSFP56 AOC

800G QSFP-DD AOC

Direct Attach Cable

10G SFP+ DAC

25G SFP28 DAC

40G QSFP+ DAC

100G QSFP28 DAC

Optical Component

FEATURED

H3C QSFPDD800-800G-2FR4-WDM1300-DLC Compatible 800G QSFP-DD 2FR4 Optical Transceiver Module | HYTOPTODEVICE

NVIDIA/Mellanox MMS4X50-NM Compatible 800G OSFP 2xFR4 Optical Transceiver Module | HYTOPTODEVICE

H3C QSFPDD800-800G-DR8-SM1310-DMPO Compatible 800G QSFP-DD DR8 8 x 100G PAM4 Optical Transceiver Module | HYTOPTODEVICE

H3C OSFP800-800G-DR8-SM1310-DMPO Compatible Compatible 800G OSFP DR8/2 x DR4 Optical Transceiver Module | HYTOPTODEVICE

H3C OSFP-800G-VR8-MM850-DMPO Compatible 800GBASE-VR8 OSFP 800G SR8 850nm 50m Finned Top PAM4 DOM Dual MPO-12 MMF Optical Transceiver Module-HYTOPTODEVICE

400G QSFP-DD SR4 Optical Transceiver Module Compatible Dell 400G-Q56-DD-VR4 | HYTOPTODEVICE

H3C QSFPDD-400G-FR4-WDM1300 Compatible 400G QSFP-DD FR4 Optical Transceiver Module | HYTOPTODEVICE

H3C 400GBASE-PLR4 Compatible 400G QSFP-DD PLR4 Optical Transceiver Module | PAM4 1310nm 10km Bulk Factory Wholesale | HYTOPTODEVICE

Cisco QSFP-100G-PSM4-S Compatible 100G QSFP28 Transceiver | PSM4 1310nm 500m MPO SMF Bulk & Wholesale | HYTOPTODEVICE

HPE Aruba R9B63A Compatible 100G QSFP28 Transceiver Module Single Lambda | FR 1310nm 2km Bulk Wholesale | HYTOPTODEVICE

Huawei QSFP-100G-CWDM4 Compatible 100G QSFP28 Transceiver | 1310nm(CWDM4) 2KM Module Bulk Wholesale | HYTOPTODEVICE

Cisco QSFP-100G-SR4-S Compatible 100G QSFP28 SR4 Optical Transceiver Module | HYTOPTODEVICE

Cisco QSFP-100G-ER4L-S Compatible 100G QSFP28 ER4 Optical Transceiver Module | HYTOPTODEVICE

SFP-25G-LR Cisco Compatible 25G SFP28 LR Transceiver | 25GBASE-LR 1310nm 10km Bulk Factory Supply | HYTOPTODEVICE

H3C SFP-GE-LH100-SM1550 Compatible1000BASE-EZX Fiber Optic Transceiver | SFP 1550nm 100km SMF Bulk & Wholesale | HYTOPTODEVICE

H3C SFP-GE-LH160-SM1550 Compatible Fiber Transceiver SFP 1550nm 160km 1000BASE-EZX Bulk Wholesale | HYTOPTODEVICE

Оптический модуль H3C SFP-GE-LH80-SM1550, совместимый с 1000BASE-ZX | SFP 1550 нм 80 км SMF оптом | HYTOPTODEVICE

Cisco SFP-10G-T-80 Compatible 10GBASE-T SFP+ RJ45 Copper 80m Transceiver Module | HYTOPTODEVICE

Huawei SFP-1000BaseT Compatible 1000BASE-T 100m RJ-45 Copper SFP Transceiver Module | HYTOPTODEVICE

Cisco GLC-FE-100EX Compatible 100M SFP Module | 100BASE-EX 1310nm 40km Bulk Factory Wholesale | HYTOPTODEVICE

HYTOPTODEVICE provides factory direct Cisco GLC-FE-100EX compatible SFP module. This 100BASE-EX 1310nm 40km single-mode fiber transceiver supports DDM monitoring, delivering stable long-distance 100M fiber connectivity for Cisco network deployment, distributor bulk orders and enterprise large-scale network procurement.

NO.	Brand	Compatible P/N	Remarks
1	Cisco	GLC-FE-100EX
2	H3C	SFP-FE-LH40-SM1310
3	HPE（H3C）	JD090A
4	Juniper	EX-SFP-1FE-LX40K
5	Brocade	E1MG-100FX-LR-OM
6	Dell	GP-SFP2-1E-C
7	Extreme Networks	MGBIC-LX-40
8	Foundry Networks	E1MG-100FX-LR

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Description

Cisco GLC-FE-100EX Compatible 100M SFP Module | 100BASE-EX 1310nm 40km Bulk Factory Wholesale | HYTOPTODEVICE

Product Overview

HYTOPTODEVICE Dell GP-SFP2-1L-C compatible SFP Module is a fully standardized drop-in replacement for the original Dell Force10 100BASE-LX optical transceiver. Adopting industry-standard 1310nm FP laser design and duplex LC interface, this SFP Module delivers stable 10km long-distance transmission over G.652 single-mode fiber, completely matching the electrical parameters, protocol specifications and optical performance of the official GP-SFP2-1L-C module.

Custom optimized EEPROM firmware enables zero-alarm plug-and-play recognition on all compatible Dell Force10 and Dell enterprise switching devices, requiring no manual configuration or command debugging. Every GP-SFP2-1L-C SFP Module undergoes strict high and low temperature aging testing and optical parameter calibration, featuring ultra-stable batch consistency. It is the ideal cost-effective choice for enterprise bulk procurement, legacy network renovation and long-distance fiber link expansion projects.

Key Technical Specifications

Cisco Compatible	GLC-FE-100EX	Vendor Name	HYTOPTODEVICE
Form Factor	SFP	Max Data Rate	100Mbps
Wavelength	1310nm	Max Distance	40KM
Connector	Duplex LC	Transmitter Type	FP 1310nm
Cable Type	SMF	Receiver Type	PIN
TX Power	-8~-2dBm	Receiver Sensitivity	< -32.0dBm
Power Consumption	≤1W	Receiver Overload	-8.0dBm
Protocols	IEEE802.3ab, GR-468, MSA Compliant	Operation Temperature	0 to 70°C (32 to 158°F)

Usage Guidelines & Best Practices

Fiber & Port Matching

Use standard G.652.D duplex single-mode fiber (SMF) with LC-PC/UPC connectors. Multimode fiber is not supported and will fail to reach 10km. Ensure the SFP port supports 100Mbps mode before insertion.
Installation & Hot-Swap Rules

Supports MSA-compliant hot-swapping. Insert/remove gently without powering down the device. Keep dust caps on unused LC ports and avoid frequent re-plugging.
Link Loss Budget

Offers a 20dB link budget for 10km reach (including connectors/splices). If link flapping occurs, inspect and clean optical interfaces.
Operating Environment

Commercial grade: 0°C to 70°C in indoor environments. Keep away from extreme heat, moisture, and dust for long-term stability.
Real-Time Monitoring (DDM)

Use integrated SFF-8472 DDM to monitor Tx/Rx power, temperature, and voltage in real time to prevent sudden outages.
Bulk Deployment

Standardize fiber types and port settings across enterprise LAN or ISP deployments for consistent performance.

Full Compatibility List & Supported Network Hardware

1. Supported Hardware & Firmware

Tailored professional firmware matches Dell Force10 official authentication protocols, ensuring zero-alarm, zero-error recognition and stable long-term operation on all Dell dedicated SFP ports without port lockdown or system log warnings.

Dell Force10 S25 / S50 / S55 Series Enterprise Switches
Dell EMC Networking Legacy Fast Ethernet Switch Platforms
Dell Dual-rate 100M/1000BASE-X SFP Universal Ports
Dell Enterprise Layer 2 & Layer 3 Access Switches

2. Multi-Brand Cross Compatibility

This SFP Module complies with universal MSA standards for stable multi-brand interoperation. Custom firmware is available for mixed-vendor network SFP Module bulk deployment and procurement

3. Free Value-Added Services

We offer exclusive free value-added services for all sfp modules to reduce your project deployment and maintenance costs.

Custom firmware for multi-device compatibility
Free sample testing before bulk orders
Complete test reports for project acceptance
Strict batch consistency quality control
Cost-effective wholesale for large-scale deployment

Free custom EEPROM programming for special and legacy network environments

Primary Application Scenarios

Enterprise campus long-distance fiber interconnection
Cross-building office 100Mbps fiber links
Legacy Fast Ethernet network module replacement
ISP access and enterprise backbone transmission
Bulk procurement for HPE/H3C network expansion

Connectivity Solutions(Applications)

Deploy paired Dell compatible SFP Module with G.652.D single-mode fiber to establish stable 10km 100Mbps point-to-point links for campus and enterprise network construction.

The Core Feature

1. Low-Power Data Center Efficient Connectivity

With ultra-low power consumption below 1W, this 100BASE SFP provides stable, cost-effective Fast Ethernet connectivity. It is an economical solution for data center, campus and enterprise low-speed access networking.

2.Verified Host Interoperability for Devices

Pre-flashed EEPROM supports hot-swap plug-and-play. The module is fully recognized by mainstream Dell devices without alarms or configuration adjustments, enabling seamless network replacement and upgrade.

3.Rigorous Testing, Uncompromising Reliability

Each SFP undergoes wavelength calibration, power testing, 72-hour aging and 10km link testing. Full quality inspection ensures stable batch performance and long-term reliable operation for engineering projects.

HYTOPTODEVICE MSA Compliant Replacement Optical Transceiver Full Tested

FAQ

Q1: Why do third-party GP-SFP2-1L-C SFP Module trigger uncertified transceiver logs on Dell switches?

A: Dell Force10 devices have strict built-in transceiver authentication mechanisms. Ordinary third-party modules have mismatched EEPROM vendor information and signature data, triggering system logs or port restrictions. Our GP-SFP2-1L-C SFP Module adopts customized Dell-specific firmware to pass official authentication silently with zero logs and zero alarms.

Q2: Can GP-SFP2-1L-C 100BASE-LX SFP Module work stably in long-term industrial high-temperature environments?

A: This commercial-grade SFP Module supports 0°C to 70°C wide-temperature stable operation, adapting to conventional indoor and simple industrial scenarios. Long-term continuous operation above 60°C will accelerate laser aging; it is recommended to deploy heat dissipation measures for high-temperature industrial environments to extend module service life.

Q3: What causes unstable latency and jitter on 10km GP-SFP2-1L-C fiber links?

A: Abnormal link jitter is mostly caused by dirty LC end faces, excessive fiber bending, loose splicing points, or mismatched port rate negotiation. This high-quality SFP Module features stable optical output; standardized cabling and regular port cleaning can completely solve latency jitter problems.

Q4: Can GP-SFP2-1L-C single-mode SFP Module be used for short-distance 300-meter indoor wiring?

A: Yes, it is fully applicable. For standard 100BASE-LX (10km) SFP Module: No, it will not burn the receiver. Standard 10km LX modules have a maximum Tx launch power of ‑8 dBm to ‑15 dBm and a maximum Rx overload threshold of ‑3 dBm to 0 dBm. Since the maximum transmitter power is lower than the maximum receiver tolerance, ultra-short links will not cause hardware damage, ensuring safe and stable short-distance transmission.

Q5: Does Dell Force10 switch need special command activation for compatible GP-SFP2-1L-C SFP Module?

A: No command activation or configuration modification is required. Our pre-programmed GP-SFP2-1L-C SFP Module can be automatically identified and activated by Dell Force10 devices, realizing true plug-and-play and reducing on-site deployment difficulty.

Q6: What fiber grade is most suitable for GP-SFP2-1L-C 10km transmission?

A: This SFP Module is perfectly compatible with OS1 and OS2 single-mode fiber. OS2 low-loss single-mode fiber is recommended for long-distance 10km wiring to reserve sufficient power margin and avoid signal attenuation caused by fiber quality problems.

Q7: How to judge whether GP-SFP2-1L-C SFP Module laser performance decays?

A: Monitor DDM optical power data continuously. Gradually decreased transmit/receive optical power, increased packet loss rate, and occasional link flapping are typical signs of laser decay. Timely replacement of aging SFP Module can prevent network outage risks.

Q8: Can gigabit SFP ports automatically adapt to GP-SFP2-1L-C 100Mbps SFP Module?

A: All mainstream Dell dual-rate SFP ports support automatic speed downgrade and negotiation. The GP-SFP2-1L-C SFP Module can be normally recognized on gigabit ports and stably locked at 100Mbps rate without manual rate configuration.

Q9: What is the difference between GP-SFP2-1L-C and GP-SFP2-1F-C Dell optical modules?

A: GP-SFP2-1L-C is a 10km 100BASE-LX single-mode long-distance SFP Module, while GP-SFP2-1F-C is a 2km short-distance module. The two have different power budgets and application scenarios and cannot be universally replaced in 10km long-link projects.

Q10: Will using third-party GP-SFP2-1L-C SFP Module affect Dell switch service warranty?

A: Our GP-SFP2-1L-C SFP Module fully complies with MSA and IEEE industry standards, with standard electrical signals and optical parameters. It will not cause hardware damage or protocol conflicts to Dell switches and will not void the original device warranty.

Q11: Why is there occasional CRC error packet loss on GP-SFP2-1L-C long links?

A: CRC errors are rarely caused by module quality problems. They are mainly triggered by poor fiber splicing, contaminated end faces, or excessive link loss. Cleaning connectors and rechecking fiber links can eliminate most CRC error phenomena.

Q12: Is manual rate and duplex mode locking required for GP-SFP2-1L-C SFP Module?

A: Automatic negotiation is recommended for most scenarios. This SFP Module supports stable auto-negotiation of 100Mbps full-duplex mode. For special fixed-rate network environments, manual rate locking can be configured to improve link stability.

Q13: Can GP-SFP2-1L-C SFP Module be paired with modules of other brands for interconnection?

A: Yes, it supports cross-brand interconnection with standard 100BASE-LX single-mode SFP Module. Unified 1310nm wavelength and optical power parameters ensure no link mismatch or compatibility problems in multi-brand mixed networking scenarios.

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.