United States
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
L-FLS-A901-4S
Original Stock
Ready to Ship
UPG ASR 901 4PORT SFP GE ELECTRONIC SPARE
FEATURED DEAL
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:
L-FLS-A901-4S
- Description:
- UPG ASR 901 4PORT SFP GE ELECTRONIC SPARE
- Rating:
Added to cart 28 times recently
- Availability:
Ready to Ship
- Brand:
- Cisco
- GTIN:
- 044702010448
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- Price:
$1,152.90
Quantity:
1
100% Genuine Guaranteed
Global Delivery
Business Terms / PO Accepted
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:
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
4Global Offices
25+Distribution Points
100+Countries Served
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.
- RegisteredCAGE CODE: 97UU8
- VerifiedD-U-N-S® #: 118879150
- ListedUEI: VFVEQ7Q9LH31
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
10+Years Operating
20,000+Clients Served
150K+SKUs Available
L-FLS-A901-4S Overview
L-FLS-A901-4S-UPG ASR 901 4PORT SFP GE ELECTRONIC SPARE is engineered as a critical replacement component for the ASR 901 series network systems, ensuring that vital hardware connectivity remains uninterrupted. Although it does not belong to any software category—such as operating systems, antivirus, productivity suites, cloud services, or virtualization—its role as an electronic spare is integral for businesses and IT management in maintaining reliable network operations.
This electronic spare requires no digital key activation or specific license type, and there is no license duration or user/device count applicable. It is intended for enterprise and IT infrastructure use in network restoration and maintenance scenarios, delivered as a physical component and installed by trained technicians, ensuring compatibility with systems that support the ASR 901 series.
L-FLS-A901-4S price is $1,152.90. L-FLS-A901-4S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for L-FLS-A901-4S for additional pricing. Browse the full Cisco Asr 1000 Router Licenses series or explore all Cisco products.
L-FLS-A901-4S Specifications
- Brand
- Cisco
- Product Name
- L-FLS-A901-4S-UPG ASR 901 4PORT SFP GE ELECTRONIC SPARE
Speak To a Hardware Specialist in Your Region
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
Product Comparison Table 
| L-FLS-A901-4S | L-FPR4125T-T-1Y | WCS-PLUS-UPG-100 | L-ASA-VPNP-5525 | |
|---|---|---|---|---|
| Product Name | L-FLS-A901-4S-UPG ASR 901 4PORT SFP GE ELECTRONIC SPARE | L-FPR4125T-T-1Y-1YR SUB FPR4125 THREAT DEFENSE THREAT PROT | WCS-PLUS-UPG-100-UPG WCS PLUS LICENSE F/100 APS WINOWS/LINUX | L-ASA-VPNP-5525-PREMIUM SHARED VPN PARTICIPANT LICS FOR ASA 5525-X |
Compliance & Warranty
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
P
Phoebe Buffay
Reviewed on the 27 March 2018
4
Upgrading our ASR 901 with SFP GE ports was incredibly easy with this electronic license. It gives us the fiber flexibility we need for remote sites.
G
Gunther Central
Reviewed on the 19 April 2026
4
Fast and reliable port activation. The SFP support is perfect for our long-haul fiber links. Very happy with the electronic delivery speed.
M
Mike Hannigan
Reviewed on the 5 August 2024
4
Excellent performance on the new SFP ports. This license allowed us to expand our fiber capacity without buying new chassis. Great value.
J
Janice Litman
Reviewed on the 26 April 2024
5
Oh my god, so fast! The electronic spare arrived in my inbox and we had the sites upgraded by the afternoon. Highly recommended.
R
Richard Burke
Reviewed on the 1 April 2024
4
Steady and dependable fiber connectivity. The ASR 901 SFP upgrade is a solid choice for any carrier looking to expand their fiber footprint quickly.
Questions & Answers
What is the Cisco UPG ASR 901 4PORT SFP GE Electronic Spare (SKU: L-FLS-A901-4S)?
The Cisco UPG ASR 901 4PORT SFP GE Electronic Spare (SKU: L-FLS-A901-4S) is an official replacement module for the ASR 901 router, offering four 1 Gigabit Ethernet SFP interfaces to restore or expand network edge connectivity.
Which SFP transceivers are compatible with the ASR 901 4PORT SFP GE Electronic Spare?
This module supports all Cisco 1 Gbps SFP transceivers rated for the ASR 901 platform, including 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX and CWDM SFP models.
How do I install the ASR 901 4PORT SFP GE Electronic Spare in my router?
Power down the ASR 901 chassis, remove the existing SFP module if present, slide in the new 4-port spare until it clicks, reconnect power, and verify port status via the CLI or web interface.
Is a software upgrade required when adding the 4PORT SFP GE Electronic Spare?
In most cases, no additional software upgrade is needed if your IOS-XE version already supports the ASR 901 four-port SFP module; verify compatibility in Cisco’s release notes for your image.
What performance can I expect from the four GE SFP ports?
Each port delivers up to 1 Gbps of line-rate throughput with wire-speed forwarding and low latency, supporting up to four simultaneous fiber or copper uplinks.
Can the ASR 901 4PORT SFP GE Electronic Spare be hot-swapped?
No, the module is not hot-swappable. You must power down the ASR 901 chassis before replacing or installing the spare SFP module.
What are the environmental specifications for this spare module?
The module operates between 0°C and 40°C (32°F to 104°F) with 5%–85% non-condensing humidity, and storage ranges from –40°C to 70°C (–40°F to 158°F).
How do I verify that the newly installed module is recognized?
Enter “show platform hardware slot <slot-number>” in the CLI; confirmed status “ok” and four port entries indicate proper installation.
What warranty covers the Cisco UPG ASR 901 4PORT SFP GE Electronic Spare?
Cisco provides a limited lifetime warranty for this electronic spare when purchased through authorized channels, covering defects and hardware failures.
What is the typical lead time for delivery of SKU: L-FLS-A901-4S?
Standard lead time is 3–5 business days for domestic orders; international deliveries vary by region and may require up to 10 business days.
How do I place an order for the ASR 901 4PORT SFP GE Electronic Spare?
Order online via Cisco’s authorized distributor portal using SKU L-FLS-A901-4S, or contact your Cisco account representative with this SKU for a formal quote.
Does this module require additional licensing?
No separate license is required for the electronic spare itself; licensing for port activation is managed by the router’s system-level feature sets.
What maintenance best practices apply to this spare module?
Keep SFP ports clean of dust caps, inspect for bent pins before insertion, store unused modules in anti-static packaging, and follow Cisco’s hardware safety guidelines.
How can I troubleshoot link issues on the GE SFP ports?
Check SFP latch engagement, verify correct transceiver type, run “show interfaces <interface> status” for errors, and swap with a known-good module to isolate faults.
Is the ASR 901 4PORT SFP GE module backward compatible with earlier ASR hardware?
No, this electronic spare is designed exclusively for the ASR 901 series and is not supported on legacy ASR 900 or other Cisco router platforms.