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Optical Transceiver

SFP

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SONET/SDH SFP

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Active Optical Cable

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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 Compatible 100BASE-ZX 160km Pluggalbe Transceiver | 155M 1550nm SMF Duplex LC Bulk & Wholesale | HYTOPTODEVICE

Cisco Compatible Compatible 100BASE-ZX 160km Pluggalbe Transceiver | 155M 1550nm SMF Duplex LC Bulk & Wholesale | HYTOPTODEVICE

H3C Compatible 100BASE-ZX 120km Fiber Transceiver | 155M 1550nm SMF Duplex LC Bulk & Wholesale | HYTOPTODEVICE

Cisco Compatible 100BASE-ZX 120km SFP Transceiver Module | 155M 1550nm SMF Duplex LC Bulk & Wholesale | HYTOPTODEVICE

Brocade Compatible E1MG-1G-BXDA-40 | 1G Bidirectional SFP Module 40km 1490/1310nm Bulk & OEM | HYTOPTODEVICE

Alcatel-Lucent compatible SFP BiDi Transceiver SFP-GIG-BX-D40 | 1000BASE-BX Tx1490Rx1310 40KM Bulk Wholesale | HYTOPTODEVICE

Netgear SFP-GE-BX120-D Compatible BiDi Transceiver 120km | 1000BASE-BX-D Tx1550Rx1490 Simplex LC Bulk Factory Wholesale | HYTOPTODEVICE

HPE H3C SFP-1G-BXD-120 Compatible BiDi Transceiver 120km | 1000BASE-BX-D Tx1550Rx1490 Simplex LC Bulk Factory Wholesale | HYTOPTODEVICE

H3C SFP-GE-120-SM1550-A Compatible BiDi Transceiver 120km | 1000BASE-BX-D Tx1550Rx1490 Simplex LC Bulk Factory Wholesale | HYTOPTODEVICE

Extreme MGBIC-BX120-D Compatible BiDi Transceiver Module 120km | 1000BASE-BX-D Tx1550Rx1490 Simplex LC Bulk Factory Wholesale | HYTOPTODEVICE

Juniper SFP-1OC3-IR OC-3/STM-1 IR-1 Fiber Transceiver | SFP 1310nm 15km SMF LC Bulk Wholesale | HYTOPTODEVICE

High-performance Juniper SFP-1OC3-IR compatible fiber transceiver, 155Mbps OC-3/STM-1 IR-1 SFP module with 1310nm wavelength, 15km single-mode LC duplex transmission and 18dB power budget. Industrial-calibrated fiber transceiver for Juniper carrier SDH/SONET networks, bulk wholesale available. Support private label, custom EEPROM programming and OEM for global importers, distributors and system integrators.

NO.	Brand	Compatible P/N	Remarks
1	Cisco	ONS-SI-155-I1
2	Alcatel-Lucent	3HE00035AA
3	Avago	AFCT-5760APZ
4	HPE	JD120A
5	Juniper	SFP-1OC3-IR
6	Foundry Networks	E1MG-100FX-IR

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Description

Juniper SFP-1OC3-IR Compatible OC-3/STM-1 IR-1 Fiber Transceiver | SFP 1310nm 15km SMF LC Bulk Wholesale | HYTOPTODEVICE

Product Overview

HYTOPTODEVICE Juniper SFP-1OC3-IR compatible fiber transceiver is a carrier-grade SFP fiber transceiver designed for standard SONET OC-3 and SDH STM-1 transmission systems. Fully calibrated to match official Juniper industrial specifications, this plug-and-play fiber transceiver delivers stable 155.52Mbps throughput, serving as a reliable, cost-effective replacement for Juniper network upgrades and legacy fiber link maintenance.

Equipped with a high-quality 1310nm FP laser and standard 18dB optical power budget, this IR-1 intermediate-reach fiber transceiver supports error-free 15km transmission over G.652/G.657 single-mode fiber. Featuring duplex LC UPC interface and full compliance with MSA, ITU-T G.957 and Telcordia GR-253-CORE standards, this Juniper fiber transceiver ensures 7×24-hour stable carrier-grade fiber transmission performance.

Key Technical Specifications

Juniper	SFP-1OC3-IR	Vendor Name	HYTOPTODEVICE
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1310nm	Max Distance	15KM
Connector	Duplex LC	Transmitter Type	FP 1310nm
Cable Type	SMF	Receiver Type	PIN
TX Power	-14~-8dBm	Receiver Sensitivity	< -32.0dBm
Power Consumption	≤1W	Receiver Overload	-8.0dBm
Protocols	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 18dB link budget for 15km 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

This HYTOPTODEVICE SFP-1OC3-IR fiber transceiver is fully factory-calibrated to match official Juniper specifications, achieving zero-alarm recognition and plug-and-play stable operation on all Juniper optical transport and routing devices. No firmware modification or complex configuration is required, making it a perfect drop-in fiber transceiver for Juniper legacy network maintenance and capacity expansion.

Full Juniper Specification Matching: Strictly matches original SFP-1OC3-IR fiber transceiver parameters and device identification protocols
Zero-Alarm Operation: Supports hot-swap deployment without system error logs or device alarms
Standard IR-1 Protocol Compliance: Fully compliant with OC-3/STM-1 intermediate-reach standards for Juniper carrier-grade fiber links

2. Multi-Brand Cross Compatibility

This OC-3 STM-1 IR-1 optical transceiver 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

Carrier Metro Access Fiber Transmission: Professional OC-3/STM-1 IR-1 fiber transceiver for telecom operator SDH/SONET access network construction
Juniper Equipment Replacement & Maintenance: Premium compatible fiber transceiver for SFP-1OC3-IR module renewal and Juniper legacy fiber network maintenance
Enterprise Long-Distance Private Networking: Reliable 15km intermediate-reach fiber transceiver for enterprise cross-branch private fiber transmission links
Industrial Stable Optical Communication: Industrial-grade optional fiber transceiver for unattended base stations and industrial dedicated fiber communication systems

Connectivity Solutions(Applications)

HYTOPTODEVICE 155Mbps fiber optic transceiver for SONET/SDH solution

The Core Feature

1. Ultra-Low Power Consumption

Engineered with advanced low-power circuitry, this oc-3/stm-1 IR-1 optical transceiver operates under 1W power dissipation. It minimizes system heat buildup in high-density chassis, reduces operational energy costs, and extends hardware lifespan without sacrificing optical performance.

Low Power oc-3/stm-1 optical Transceiver module from hytoptodevice

2.Seamless Compatibility & Reliability

Factory-calibrated to fully match original Juniper SFP-1OC3-IR specifications, this optical transceiver delivers zero-alarm, plug-and-play compatibility. It ensures stable, error-free operation with no extra configuration, providing consistent and reliable link performance for long-term carrier network deployment.

3.Rigorous Testing, Uncompromising Reliability

Each OC-3/STM-1 optical module passes strict optical and digital diagnostic checks in native Juniper Networks equipment. This comprehensive quality control process guarantees flawless interoperability, precise optical output, and long-term network stability.

HYTOPTODEVICE Wholesale OC-3/STM-1 IR-1 fiber transceiver, 155Mbps 1310nm 15km LC single-mode module for legacy SDH network upgrade

FAQ

Q1: Why is my router port showing Rx Power Low or high loss on an SFP-OC3-IR link?

A: Low Rx power or high link loss on the SFP-OC3-IR fiber transceiver mainly stems from poor fiber link conditions and non-standard deployment. Common causes include dirty/scratched fiber end faces, loose or mismatched LC connectors, excessive transmission distance over 15km, total attenuation exceeding the 18dB power budget, and aging fiber line splicing points. Cleaning fiber interfaces, re-docking connectors and optimizing link loss can effectively solve low Rx power issues for this fiber transceiver.

Q2: Can I connect an SFP-OC3-IR directly to an SFP-OC3-LR module?

A: Yes, provided the optical power budget is properly managed. SFP-OC3-LR transmitters deliver much higher output power than standard IR modules, which will easily cause receiver saturation, signal overload or even permanent receiver damage to the SFP-OC3-IR fiber transceiver. To achieve stable temporary interconnection, install a matched optical attenuator on the IR module’s receiving end to balance link power and avoid bit errors. Long-term formal deployment still requires end-to-end unified IR-1 fiber transceivers for consistent link performance.

Q3: Why are legacy network operators transitioning away from SFP-OC3-IR?

A: Operators are gradually phasing out SFP-OC3-IR fiber transceivers due to network bandwidth upgrades. The 155Mbps OC-3/STM-1 rate cannot meet modern high-capacity fiber transmission demands, and traditional SDH/SONET networks are being replaced by Gigabit/10G optical networks. Even so, this cost-effective IR-1 fiber transceiver is still widely used for legacy network maintenance, backup link deployment and small-scale metro access scenarios.

Q4: What happens if I plug an SFP-OC3-IR into a 1G Ethernet SFP slot?

A: The SFP-OC3-IR fiber transceiver is a dedicated SONET/SDH transmission module, not an Ethernet fiber transceiver. Plugging it into a 1G Ethernet SFP slot will result in unrecognized ports, no link activation and system alarms. It does not support Ethernet protocol parsing and can only work with Juniper dedicated SDH/SONET transmission ports, not common Ethernet switching slots.

Q5: What is the maximum acceptable optical loss budget for SFP-OC3-IR?

A: The Juniper SFP-1OC3-IR fiber transceiver supports a standard maximum optical loss budget of 18dB. This fully covers attenuation generated by 15km single-mode fiber transmission, multiple connector docking and fiber splicing loss. As long as the total link loss is within 18dB, the fiber transceiver can maintain stable, error-free 155Mbps carrier-grade transmission.

Q6: Can SFP-OC3-IR operate over Multimode Fiber (MMF)?

A: No. The SFP-OC3-IR fiber transceiver is exclusively designed for G.652/G.657 single-mode fiber. Multimode fiber has large dispersion and high attenuation at 1310nm wavelength, causing severe signal loss, failed link activation or massive bit errors. This fiber transceiver cannot adapt to MMF networking scenarios.

Q7: What temperature ranges do SFP-OC3-IR modules support?

A: This SFP-OC3-IR fiber transceiver provides two temperature grade options. The standard commercial version supports 0°C to 70°C for indoor machine room deployment. The customized industrial-grade fiber transceiver adapts to -40°C to 85°C ultra-wide temperature environments, suitable for outdoor base stations and harsh industrial unattended fiber transmission scenarios.

Q8: Why is my SFP-OC3-IR module reporting Unrecognized SFP on my host device?

A: The unrecognized SFP error is mainly caused by module code incompatibility, port mismatch or hardware failure. Ordinary third-party fiber transceivers lack complete Juniper device identification codes, while HYTOPTODEVICE SFP-1OC3-IR fiber transceivers are fully factory-calibrated with complete matching codes to avoid identification failures. Port protocol mismatch and faulty slot hardware can also trigger this alarm.

Q9: How do I troubleshoot an SFP-OC3-IR module showing high Tx bias current?

A: High Tx bias current indicates abnormal laser operating status of the fiber transceiver, usually caused by aging laser chips, poor heat dissipation or long-term overload operation. Troubleshooting methods include checking ambient temperature and ventilation, verifying over-distance transmission, and replacing aging fiber jumpers. If the index exceeds the standard range, replace the qualified SFP-OC3-IR fiber transceiver in time to avoid link interruption.

Q10: Can SFP-OC3-IR be used in BiDi (Bi-directional / Single Strand) configurations?

A: No. The SFP-OC3-IR fiber transceiver adopts traditional duplex LC dual-fiber transmission design with a fixed 1310nm wavelength for both receiving and transmitting. It does not support single-strand BiDi wavelength multiplexing technology and cannot be used for single-fiber bidirectional networking. BiDi scenarios require dedicated single-strand fiber transceivers with separate Tx/Rx wavelengths.

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.