| NO. | Brand | Compatible P/N | Remarks |
| 1 | Cisco | GLC-EX-SMD | |
| 2 | Cisco Linksys | MGBLH1 | |
| 3 | Alcatel-Lucent | SFP-GIG-LH40 | |
| 4 | Allied Telesis | AT-SPLX40 | |
| 5 | Arista Networks | SFP-1G-EX-40 | |
| 6 | Brocade | E1MG-EX-40 | |
| 7 | D-link | DEM-314GT | |
| 8 | DELL | SFP-LX-40 | |
| 9 | Extreme | I-MGBIC-GLX-40 | |
| 10 | H3C | SFP-GE-LH40-SM1310 | |
| 11 | HPE H3C | JD061A | |
| 12 | Huawei | S-SFP-GE-LH40-SM1310 | |
| 13 | Juniper Networks | SFP-1GE-EX-40 | |
| 14 | Palo Alto Networks | PAN-SFP-EX | |
| 15 | Ruijie | MINI-GBIC-LH40-SM1310 | |
| 16 | TRENDnet | TEG-MGBS40 | |
| 17 | ZTE | SFP-GE-S40K | |
| 18 | Netgear | AGM732F | |
| 19 | Ciena | XCVR-040M31 | |
| 20 | Avaya | AA1419050-E6 | |
| 21 | Adtran | 1442340G1 | |
| 22 | Calix | 100-01663 | |
| 23 | Intel | E1G31ED-40 | |
| 24 | NVIDIA/Mellanox | MFE1P00-EX-CM | |
| 25 | MikroTik | S-31DLC40D | |
| 26 | Fortinet | FG-TRAN-EX | |
| 27 | Allen-Bradley | 1783-SFP1GEX | |
| 28 | Ubiquiti | UF-SM-1G-EX |
The HYTOPTODEVICE SFP-1G-EX-40 compatible SFP is rigorously verified for seamless operation with:
Arista 7010 Series: 7010T-48, 7010T-48-DC.
Arista 7050 Series: 7050SX, 7050TX, 7050QX (via QSA adapters).
Arista 7150 Series: 7150S-24, 7150S-52, 7150S-64.
Arista 7280 Series: High-performance routing and switching platforms.
Arista 7300 Series: Modular chassis systems using SFP-compatible line cards.
Metropolitan Data Center Interconnect (DCI): Linking remote Arista-based data center racks across a city or regional span up to 40km.
Carrier-Grade Backhaul: Providing reliable 1.25G fiber handoffs for service providers where standard 10km (LX) reach is insufficient.
Enterprise Campus Core Uplinks: Connecting distributed buildings to a central Arista core switch using high-power 1310nm single-mode infrastructure.
| Arista Networks Compatible | SFP-1G-EX-40 | Vendor Name | HYTOPTODEVICE |
| Form Factor | SFP | Max Data Rate | 1.25Gbps |
| Wavelength | 1310nm | Max Distance | 40km |
| Connector | Duplex LC | Transmitter Type | 1310nm DFB |
| Cable Type | SMF | Receiver Type | PIN |
| TX Power | -5.0~0dBm | Receiver Sensitivity | < -23.0dBm |
| Protocols | SFF-8472 MSA Compliant, IEEE 802.3ah-2004 | Operation Temperature | 0 to 70°C (32 to 158°F) |

Q1: Is the HYTOPTODEVICE SFP-1G-EX-40 recognized by Arista EOS? A: Yes. Our modules are flashed with the correct Arista EEPROM signatures, ensuring they are identified as genuine and compatible by Arista EOS (Extensible Operating System) without the need for specialized "unsupported" commands.
Q2: Does this module support Digital Optical Monitoring (DOM)? A: Absolutely. It features full DOM/DDM support, allowing you to monitor real-time diagnostics like laser temperature, supply voltage, and optical power via the bash or show inventory commands in EOS.
Q3: Can I use this in an Arista 10G SFP+ port? A: Yes. Most Arista 10G SFP+ ports are dual-speed and backward compatible with 1G SFP modules. Simply insert the module, and the port will typically auto-negotiate to 1Gbps.
Q4: Do I need to use an optical attenuator for short-range links? A: For fiber links shorter than 5km, we recommend using a 10dB LC optical attenuator. The SFP-1G-EX-40 uses a high-power laser that may over-saturate the receiver at close range.
Q5:Arista Networks SFP-1G-EX-40 not working? A:Follow these quick steps:
Check DDM: Run show transceiver detail on the switch. Look for Low Rx Power or faults.
Clean & Reseat: Clean the LC fiber connectors and firmly re-seat the SFP module.
Verify Fiber: Ensure you are using a single-mode (SMF) patch cable. Check for bends or breaks.
Swap Test: If possible, test the SFP in a different port or swap it with a known-working module to isolate the fault.
If DDM shows "Low Tx Power" or "Fault", the module is likely defective and needs replacement
Quality Assurance:Your Trusted Optical Transceiver Source
HYTOPTODEVICE is a vertically integrated manufacturer of high-performance optical transceivers. By controlling core materials at the source, we ensure every SFP module meets the highest standards of reliability and customization.
Vertical Integration: In-house core material production ensures a stable, self-sufficient supply chain for all optical modules.
Total Traceability: End-to-end oversight from raw components to final transceiver assembly guarantees 100% controllability.
Bespoke Solutions: Expert-led R&D provides customized SFP transceiver designs tailored to your specific technical needs.
24-Hour Response: Our technical team guarantees a primary response to any inquiry or quality concern within 24 hours.
Carrier-Grade Quality. Factory-Direct Control. Rapid Response.
Quality Certification & Compliance:
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final inspection, 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,UL & 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.









