LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)

Specifications

Performance
Performance LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
SFP transceiver type
Fiber optic
Maximum data transfer rate
1250 Mbit/s
Interface type
SFP
Single-mode fiber (SMF) supported
Yes
79% have it
Multi-mode fiber (MMF) supported
No
44% do not have it
Fiber optic connector
LC
Fiber cable diameters supported (core/cladding)
9/125 µm
Maximum transfer distance
10000 m
64% better than others
Tx wavelength (max)
1550 nm
Rx wavelength (max)
1310 nm
Tx power (min)
-9 dBmW
Tx power (max)
-3 dBmW
Rx power (min)
-25 dBmW
Rx power (max)
-2 dBmW
Digital Diagnostics Monitoring (DDM)
Yes
86% have it
Features
Features LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
Product colour
Silver
Hot-swap
Yes
90% have it
Power
Power LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
Maximum voltage
3.47 V
84% better than others
Maximum current
0.3 A
94% better than others
Power consumption (typical)
1 W
78% better than others
Certificates
Certificates LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
Compliance certificates
RoHS
Safety
FCC Part 15 Class B EN55022 Class B (CISPR 22B) VCCI Class B
Certification
CE
Operational conditions
Operational conditions LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
Operating temperature (T-T)
0 - 70 °C
Storage temperature (T-T)
-40 - 85 °C
Operating relative humidity (H-H)
0 - 85%
Weight & dimensions
Weight & dimensions LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
Width
13.7 mm
74% better than others
Depth
56.6 mm
85% better than others
Height
12.4 mm
55% better than others
Weight
19 g
23% better than others
Packaging content
Packaging content LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
Quantity per pack
1 pc(s)
Packaging data
Packaging data LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
User guide
Yes
73% have it
Package width
65 mm
30% better than others
Package depth
106 mm
41% better than others
Package height
20 mm
37% better than others
Package weight
39.5 g
78% better than others
Package type
Box
Other features
Other features LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
RX sensitivity
-25 dB
Logistics data
Logistics data LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver (1310nm/1550nm, 20km)
Pallet gross length
80 cm
34% better than others
Pallet gross width
120 cm
89% better than others
Pallet height (air)
166.9 cm
79% better than others
Products per pallet
35 pc(s)
Master (outer) case width
310 mm
17% better than others
Master (outer) case length
375 mm
28% better than others
Harmonized System (HS) code
85369010
41% better than others
Master (outer) case height
268 mm
87% better than others
Master (outer) case gross weight
6.67 kg
21% better than others
Products per master (outer) case
150 pc(s)
Country of origin
China
Disclaimer: Information on this page may need review. If you notice any discrepancies, please report them
Nolan Brooks
Reviewed by
Nolan Brooks Storage Systems Analyst & Network Engineer Versus Wizard

The LevelOne 1.25Gbps Single-Mode BiDi Industrial SFP Transceiver represents a specialized solution for extending network connectivity in demanding environments. Designed for industrial applications, this transceiver leverages BiDirectional (BiDi) technology to transmit and receive data over a single strand of fiber optic cable, effectively doubling the capacity of existing fiber infrastructure. This is particularly advantageous in situations where fiber deployment is costly or restricted, allowing for significant cost savings and simplified cabling management.

Operating at a robust 1.25Gbps data rate, the transceiver supports single-mode fiber, enabling long-distance transmissions up to 20 kilometers. The utilization of distinct wavelengths, 1310nm for transmission and 1550nm for reception (or vice versa, depending on the paired unit), is the core of its BiDi functionality, eliminating the need for a second fiber strand. Its industrial-grade design implies resilience against environmental factors such as temperature fluctuations, vibration, and electromagnetic interference, making it suitable for deployment in harsh conditions like manufacturing plants, outdoor enclosures, or transportation hubs.

Key Features and Market Positioning

This SFP module is engineered to meet the stringent requirements of industrial networking. Its 1.25Gbps speed is ideal for reliable data transfer in critical infrastructure, surveillance systems, and process control networks. The single-mode fiber compatibility ensures signal integrity over extended distances, a crucial factor for large-scale industrial sites or geographically dispersed operations. The BiDi capability is a significant selling point, offering an efficient upgrade path for networks looking to maximize their fiber optic assets without extensive re-cabling. Unlike standard SFPs that require two fibers, this single-strand solution streamlines deployment and reduces material costs.

From a market perspective, LevelOne targets a niche but essential segment. While higher bandwidth SFPs are available, the 1.25Gbps speed combined with industrial resilience and BiDi functionality positions this transceiver as a cost-effective and practical choice for specific industrial use cases. It competes favorably against solutions requiring dual-fiber setups or less robust transceivers, offering a compelling blend of performance, durability, and economic efficiency for harsh environment network extensions.

Pros & Cons

Pros
What we love about this product
    • BiDi Technology: Enables full-duplex communication over a single fiber strand, reducing cabling costs and complexity.
    • Extended Reach: Supports transmission distances of up to 20 kilometers over single-mode fiber, ideal for long-haul industrial links.
    • Industrial Grade: Designed to operate reliably in harsh environments with wide temperature ranges and resistance to interference.
    • Standard SFP Form Factor: Ensures compatibility with a wide range of network switches, routers, and media converters equipped with SFP slots.
    • 1.25Gbps Throughput: Provides sufficient bandwidth for many industrial communication protocols and surveillance applications.
Cons
Points to consider before buying
    • Limited Bandwidth: 1.25Gbps may be insufficient for very high-bandwidth applications or future-proofing needs.
    • Single-Mode Specific: Requires single-mode fiber infrastructure, not compatible with multi-mode fiber networks.
    • Requires Paired Unit: Must be used with a complementary BiDi SFP operating on the opposing wavelength pair (e.g., 1550nm/1310nm) for full functionality.

Users’ rating for this product

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Questions and Answers

How does the BiDi functionality work with a single fiber strand?

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