Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
2 In stock - Ready to Ship
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
473389A-C
FOS4 Optical SFP 1000Base-BX 40km, 1310nm/1490nm 40KM Nokia...
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
473389A-C is a high-performance QSFP+ transceiver module engineered to deliver a reliable 40G data rate, featuring LC fiber connectors and short-range transmission capabilities. It supports Ethernet and Fibre Channel protocols while offering a compact form factor with optimized physical dimensions for high-density networking environments.
Designed for seamless integration in data centers, enterprise networks, and telecom applications, the 473389A-C module provides consistent connectivity with robust performance under demanding conditions. Its engineered precision, efficient power consumption, and wide operating temperature range make it the ideal solution for modern high-speed optical networks.
473389A-C price is is available on request. Get immediate quote.
Request bulk order quote for 473389A-C for additional pricing. Browse the full Nokia Compatible Sfp series or explore all Orm products.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP+ | SFP+ | QSFP28 | SFP+ | SFP+ |
| Data Rate | 40G | 10G | 100G | 10G | 10G |
| Connector Type | LC | LC | MPO | LC | LC |
| Wavelength | 1310nm | 850nm | 1310 nm | 850 nm | 850 nm |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Short-Range | Short-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Multi-mode | Multi-mode |
| Max Distance | 10 km | 300 meters | 80 km | 300 m | 300 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei | Cisco / Juniper / Huawei / Arista |
| Product Name | 473389A-C QSFP+ Transceiver Module | 472579A-C 10G SR SFP+ Transceiver Module | 472580A-C | 471881A-C SFP+ Transceiver | 472811A-C 10GBASE-SR SFP+ Transceiver |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Stable 40km BX performance. Fully compatible with Nokia NSN equipment. Clear signal and robust build quality.
Excellent 1310nm BiDi transport. Reached 40km effortlessly. Professional grade optics with zero connectivity issues.
Reliable long-range SFP. Seamless integration into our Nokia fabric. Performance is indistinguishable from expensive OEM parts.
Solid 1000Base-BX signaling. Accurate diagnostics and easy deployment. Ideal for maximizing existing fiber capacity.
Consistent throughput at 40km. No packet loss detected. A high-value alternative for Nokia networking infrastructure.
Impressive BiDi stability. Matches Nokia NSN requirements perfectly. Robust construction ensures long-term link reliability.
Clear signaling over single-fiber spans. Effortless installation and dependable performance for our distribution nodes.
The FOS4 Optical SFP 1000Base-BX 40 km (SKU 473389A-C) is a single-mode fiber transceiver designed for gigabit Ethernet links up to 40 km over a single fiber strand.
This module supports the IEEE 802.3ah 1000Base-BX standard for gigabit Ethernet transmission over single-strand fiber.
The module reliably transmits data up to 40 km (25 miles) over single-mode fiber.
It uses 1310 nm for transmit (TX) and 1490 nm for receive (RX) signals on a single fiber.
This SFP is fully compatible with Nokia NSN systems and interoperates with any equipment supporting 1000Base-BX optics.
Yes. The module supports hot-swap insertion and removal without powering down the host device.
It supports a data rate of 1.25 Gbps for full-duplex gigabit Ethernet.
The module features a standard LC duplex connector for single-mode fiber.
Yes. It implements SFF-8472 diagnostics for real-time monitoring of temperature, voltage, and optical power.
The module operates between ‑5 °C and +70 °C (23 °F to 158 °F) in standard environments.
Align the LC connector with the module’s port, insert the SFP until it clicks, then connect the fiber and secure as per your equipment manual.
No special configuration is needed. The module is plug-and-play with any Nokia NSN system that supports 1000Base-BX optics.
It is backed by a one-year limited warranty against manufacturing defects and performance failures.
Check that your device supports 1000Base-BX optics and LC duplex connectors; the FOS4 SFP will then interoperate seamlessly.
The module is RoHS-compliant and meets CE, FCC and Telcordia GR-326-CORE reliability standards.