Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
3Com SFP-503 1Gb/s SFP 10km 1310nm LC Single-Mode Fiber Transceiver
- Form Factor: SFP
- Data Rate: 1Gb/s
- Wavelength: 1310nm
- Connector Type: Duplex LC
- Fiber Type: Single-Mode Fiber (SMF)
- Maximum Reach: 10km
- Designed for 3Com networking equipment
- Compliant with SFP MSA standards
SFP-503 isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Product Type
- SFP Transceiver
- Model
- SFP-503
- Brand
- 3Com
- Data Rate
- 1Gb/s
- Wavelength
- 1310nm
- Connector
- Duplex LC
Product details
The 3Com SFP-503 is a 1Gb/s SFP transceiver designed for long-reach single-mode fiber applications. It operates at 1310nm and features a Duplex LC connector, providing connectivity up to 10 kilometers. This transceiver is suitable for extending network reach over single-mode fiber infrastructure.
Technical Information
| Product Type | SFP Transceiver |
| Model | SFP-503 |
| Brand | 3Com |
| Data Rate | 1Gb/s |
Additional Specifications
| Wavelength | 1310nm |
| Connector | Duplex LC |
| Fiber Type | Single-Mode |
| Reach | 10km |
Description
The 3Com SFP-503 is a Gigabit Ethernet SFP (Small Form-factor Pluggable) transceiver module engineered for long-reach communication over single-mode fiber (SMF). Operating at a wavelength of 1310nm, it enables data transmission speeds of 1Gb/s over distances of up to 10 kilometers, making it ideal for backbone connections, inter-building links, and extending network reach across campuses. This transceiver features a Duplex LC connector, which is the standard interface for fiber optic connections, ensuring a secure and reliable link. The SFP form factor is hot-pluggable, allowing for easy installation and replacement without the need to power down network devices, thereby minimizing network downtime. Designed for compatibility with 3Com networking equipment, the SFP-503 ensures seamless integration and optimal performance within 3Com-based network infrastructures. It is a crucial component for building scalable and high-performance networks that require extended reach and dependable fiber optic connectivity.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for SFP-503.
