Juniper Networks SFP-1GE-EX-40 Compatible 1000BASE-EX SFP 1310nm 40km DDM Duplex LC/UPC SMF Optical Transceiver Module

The HYTOPTODEVICE SFP-1GE-EX-40 compatible SFP is 100% verified for compatibility with:

• Juniper EX Series Switches: EX2200, EX2300, EX3300, EX3400, EX4200, EX4300, EX4600.

• Juniper MX Series 5G Universal Routing Platforms: MX5, MX10, MX40, MX80, MX204, MX240, MX480, MX960.

• Juniper SRX Series Services Gateways: SRX210, SRX240, SRX300, SRX320, SRX340, SRX345, SRX550, SRX1500.

• Juniper QFX Series: QFX5100, QFX5110, QFX5200 (in 1G management or data ports).

• Juniper ACX Series: ACX1000, ACX1100, ACX2100, ACX2200 Universal Metro Routers.

• Metropolitan Area Networking (MAN): Linking Juniper-based branch offices or data centers across a city-wide fiber span of up to 40km.

• Service Provider Backhaul: Providing stable 1.25G fiber handoffs for regional ISPs and telecommunications infrastructure.

• Campus Core Uplinks: Connecting distributed buildings to a central Juniper core switch using high-power 1310nm single-mode infrastructure.

FAQ for Juniper Networks SFP-1GE-EX-40 Compatible SFP Transceiver:

Q1: Is the HYTOPTODEVICE SFP-1GE-EX-40 recognized by Junos OS? A: Yes. Our modules are flashed with the correct Juniper-specific EEPROM signatures, ensuring they are identified as genuine by Junos OS without "unsupported transceiver" alarms or the need for special configuration overrides.

Q2: Does this 40km module support DDM/DOM? A: Absolutely. It features full Digital Diagnostic Monitoring (DDM). You can monitor real-time diagnostics like laser temperature, supply voltage, and optical power via the CLI using the show chassis hardware and show interfaces diagnostics optic commands.

Q3: Can I use this in a Juniper 10G SFP+ port? A: Yes. Most Juniper SFP+ ports are dual-speed. Simply insert the SFP-1GE-EX-40 compatible module, and the port will typically auto-negotiate to 1000Mbps, or you can manually set the speed via Junos.

Q4: Do I need an optical attenuator for short fiber runs? A: For fiber links shorter than 5km, we recommend using a 10dB LC optical attenuator. This protects the sensitive receiver from being over-saturated by the high-power 1310nm laser designed for 40km reach.

Q5: Juniper Networks SFP-1GE-EX-40 not working？ A:Follow these quick steps:

1. Check DDM: Run show transceiver detail on the switch. Look for Low Rx Power or faults.

2. Clean & Reseat: Clean the LC fiber connectors and firmly re-seat the SFP module.

3. Verify Fiber: Ensure you are using a single-mode (SMF) patch cable. Check for bends or breaks.

4. 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.

Rigorous Industrial Product Testing：

   

100% 3rd Party Compatible：

Partial Test Demonstration: