The BiDi SFP Module acts as a pin-to-pin drop-in replacement for Cisco OEM part SFP-1GBX-D-SC-CO, delivering stable 1.25Gbps single-fiber bidirectional transmission up to 20km over standard 9/125μm single-mode fiber. Built with simplex SC connector and Tx1310nm transmit / Rx1550nm receive wavelength design, this cost-saving bidirectional transceiver cuts fiber core consumption by half, ideal for enterprise campus networking, FTTx broadband access and long-distance IP surveillance deployments.
Compliant with SFP MSA SFF-8431/SFF-8472 and IEEE 802.3z global standards, this Cisco compatible BiDi SFP Module supports real-time DDM/DOM digital diagnostic monitoring and safe hot-swap operation. Every unit passes 24-hour continuous aging testing to maintain consistent error-free gigabit performance for permanent rack deployment.
This plug-and-play BiDi SFP Module delivers full native interoperability with all Cisco networking hardware equipped with standard SFP slots. No manual CLI tuning required, no unauthorized transceiver error alerts on Cisco IOS. Fully compatible Cisco hardware models are listed below:
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Cisco Catalyst Switches: 2960, 3560, 3750, 3850, 9200, 9300 Series
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Cisco ISR Routers: 1900, 2900, 3900 Series
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Cisco Security Hardware: ASA Series Firewalls
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Other Devices: Cisco standard SFP-port media converters
2. Multi-Brand Cross Compatibility
This universal bidirectional transceiver supports flexible cross-brand interoperability, adapting to both open-standard and locked-brand network hardware for diverse multi-vendor network environments.
1. Open-Brand Compatibility: Works out of the box with all MSA-compliant open network devices, including MikroTik, TP-Link, Fortinet, D-Link and Zyxel gigabit switches and routers. No custom coding required for standard deployment.
2. Locked-Brand Compatibility: Fully adaptable to brand-locked enterprise hardware such as Huawei, H3C, Juniper and Arista. Custom EEPROM programming ensures flawless device recognition and zero enterprise-level compatibility errors.
3. Free Custom EEPROM & Bulk OEM Service
We provide free custom EEPROM programming and basic bulk OEM services for all orders. Custom brand firmware eliminates transceiver error alerts on locked network platforms, with customizable labeling and packaging available for large-scale project deployment — zero hidden fees included.
Primary Application Scenarios
As an economical single-fiber bidirectional networking solution, the 1.25G 20km SC BiDi SFP Module fits all network projects with limited fiber core resources:
- Cisco enterprise campus cross-building gigabit interconnection & legacy network renovation
- FTTB/FTTH single fiber broadband access aggregation layer construction
- IP surveillance long-distance fiber transmission for factories, industrial parks and residential communities
- Hospital, campus and enterprise private communication backbone networks
- Data center low-speed gigabit aggregation structured cabling systems
- Network expansion & upgrade projects with insufficient existing fiber pipelines
Connectivity Solutions (Applications)
1. 1G Link for Switch to Switch
2. Double Your Network Capacity
Bidirectional transmission on a single fiber strand effectively doubles link capacity without laying new fiber cables. It provides a low-cost, high-efficiency bandwidth expansion solution for Cisco enterprise network upgrades and FTTx access optimization.
3. Stable 1G Connectivity: The Groundwork for High-Availability Data Centers
In an era where data centers are scaling to 100G, 400G, and beyond, the stability of your underlying 1G infrastructure remains the true backbone of operational continuity. Our enterprise-grade BiDi SFP Module 1G connectivity solutions are engineered to deliver rock-solid, low-latency performance where reliability matters most.
From critical Out-of-Band management to real-time environment monitoring, we ensure your control plane is always online, always stable, and completely isolated from production traffic spikes.
4. Tested in The Host Device to Prove Interoperability
Every batch of this BiDi SFP Module undergoes full real-machine compatibility testing on Cisco, Huawei, H3C and other mainstream hardware. We verify link handshake stability, DDM precision and hot-swap performance under real network load, eliminating all on-site compatibility risks.
5. Comprehensive Testing for Stable Performance
Each BiDi SFP Module passes strict standardized QC tests, including high/low temperature aging, repeated plugging durability, optical power consistency and 72-hour continuous operation testing. Rigorous mass production inspection guarantees consistent batch performance and long service life for commercial deployments.
FAQ
Q1: Will future switch firmware upgrades break compatibility of these third-party BiDi SFP transceivers?
A1: Our HYTOPTODEVICE BiDi SFP Module strictly follows universal MSA standards with stable pre-calibrated vendor ID coding. Regular Cisco IOS firmware updates will not trigger compatibility failures, and we offer free re-flashing support if rare recognition issues emerge after system upgrades.
Q2: Will low-grade internal chips inside this transceiver cause excessive signal jitter and extra network latency on live business links?
A2: Every BiDi SFP Module uses top-tier imported FP laser and PIN receiver chips. Full factory signal testing restricts jitter and latency within strict industry thresholds, delivering smooth low-delay gigabit transmission under full production traffic loads.
Q3: How to handle inaccurate DDM data that triggers constant false alerts on our network monitoring system?
A3: Every BiDi SFP Module undergoes full DDM calibration before shipment to ensure precise data output. If abnormal readings appear, send us test logs and we provide free troubleshooting and calibrated replacement units with fast turnaround.
Q4: Is the SC connector latch robust enough to withstand frequent plug-and-play during regular on-site maintenance?
A4: The SC latch of each BiDi SFP Module adopts reinforced high-toughness plastic structure through repeated plugging durability testing. It maintains stable clamping force without easy fracture during long-term routine installation and removal.
Q5: Will the manufacturer swap internal chipsets without updating the official product SKU for this BiDi SFP Module?
A5: We maintain fixed component BOM for SFP-1GBX-D-SC-CO BiDi SFP Module. Any internal component adjustment will update product specifications and notify customers in advance; no silent unmarked part replacement for bulk orders.
Q6: How lengthy and complicated is the warranty exchange workflow for faulty BiDi SFP transceivers?
A6: We operate a streamlined warranty replacement process. Simply submit fault test screenshots and product photos, and we arrange free replacement shipments with minimal lead time, no cumbersome cross-region return formalities required.
Q7: Does the product packaging offer enough shock and dust resistance to safeguard fragile optical chips during long international shipping?
A7: Every BiDi SFP Module is individually packed with anti-static shockproof boxes and SC dust caps. Thick outer cartons with buffer materials prevent collision and contamination damage during cross-border long-distance logistics transportation.
Q8: Will 1.25G gigabit bandwidth become a transmission bottleneck if our business network traffic expands sharply down the line?
A8: This BiDi SFP Module delivers full symmetrical 1.25G bandwidth optimized for access layer, IP surveillance and out-of-band management links. For heavy core uplink expansion demands, we offer compatible 10G high-speed BiDi optical modules as direct upgrade options.
Q9: Will this BiDi SFP Module exceed standard power draw limits and put extra load on the Cisco switch’s total power budget?
A9: The transceiver is designed with low-power optical circuits and strictly controlled power consumption within MSA standard limits. It will not exceed the power threshold of standard SFP slots or create extra power pressure on Cisco enterprise switches.
Q10: What eco-friendly recycling and disposal solutions are available for BiDi SFP Modules once they reach end-of-life service?
A10: All BiDi SFP Module comply with RoHS standards without hazardous heavy metals. We provide professional waste optical module recycling guidance for enterprise clients, supporting compliant environmental disposal and centralized recovery of scrapped transceivers.
Packaging & Custom OEM Solutions
Each BiDi module arrives individually sealed in ESD-safe anti-static packaging, ready to go straight onto your shelf. Distributors, wholesalers, and integrators can leverage our flexible OEM program: custom logos, private labeling, branded packaging. We handle the quality; you own the customer relationship.
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.
- 100% hardware-tested compatibility with Cisco, Huawei,Dell,Juniper, and Arista
- ISO 9001:2015 certified manufacturing facility in Shenzhen
- Full product range coverage:1.25G/10G/25G/40G/100G/200G/400G/800G/1.6T
- In-stock supply & fast global shipping, average lead time of 3–5 business days with DHL/FedEx express options
- Dedicated pre-sales engineering support for custom configurations
- Actual hardware,actual switches,actual results.we publish compatibility test video,eliminate compatibility anxiety. you can watch before you buy.
- We can provide inspection and shipping videos to make you feel as if you are right here with the product.
- Private Label support - EEPROM / firmware customization support
“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:
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ISO 9001: Certified quality management and production consistency.
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CE & FCC: Fully compliant for seamless Global Market Access.
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RoHS: Committed to environmental responsibility and hazardous material control.
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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
Others
