REFURBISHED
Cisco
Cisco 40x10GE-WLO Refurbished — 40-Port 10GbE CRS-X Interface Module
MPN: 40x10GE-WLO
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Lifetime
Warranty
ISO 9001
Certified Testing
R2v3
Responsible Refurb
25+
Years
5K+
Customers
ISO
Certified
✓
Tested
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Professionally tested to factory specification. Backed by 25+ years of enterprise trust.
This refurbished Cisco 40x10GE-WLO is a 40-port 10 Gigabit Ethernet Interface Module designed for the Cisco Carrier Routing System CRS-X platform. Every unit is professionally tested and reset to factory defaults before shipment, ensuring it performs to original Cisco specification. The 40x10GE-WLO is a 400-Gbps physical interface module that pairs with the Cisco CRS-X Modular Services Card, delivering 40 ports of 10GbE connectivity with full LAN, WAN, and OTN support in a high-density, carrier-grade form factor.Built for the demands of service provider and carrier core networks, the 40x10GE-WLO operates within the Cisco CRS architecture — powered by Cisco IOS XR Software and advanced application-specific integrated circuits (ASICs). It is compatible with both the enhanced Cisco CRS line-card chassis in 400-Gbps mode and legacy Cisco CRS line-card chassis in 200-Gbps mode, providing a flexible migration path. The module supports IPv4 and IPv6 unicast services, ECMP load balancing, MPLS forwarding, hierarchical QoS, ACLs, ingress and egress policing, and IP multicast features including PIM forwarding and Multicast NSF.
At $499, this unit represents substantial savings versus new list pricing for enterprise and service provider teams that need proven CRS-X interface capacity without the cost of new hardware. WhaleyComm is ISO 9001, R2v3, e-Stewards, and UNEDA certified — every unit we ship is held to the same standard we have maintained across 5,000+ enterprise customers for over 25 years.
Technical Specifications
Part Number
40x10GE-WLO
Interface Ports
40 x 10 Gigabit Ethernet
Port Type
SFP+
Interface Standards
LAN-PHY, WAN-PHY, OTN
Chassis Compatibility
Cisco CRS-X, CRS-3, CRS-1 line-card chassis
Operating Mode (Enhanced Chassis)
400-Gbps
Operating Mode (Legacy Chassis)
200-Gbps
Required Software
Cisco IOS XR Software Release 5.1.1 or later
Paired With
Cisco CRS-X Modular Services Card (MSC)
IP Features
IPv4 unicast, IPv6 unicast, ECMP, IPv4/IPv6 load balancing
Forwarding Features
ACLs, xACLs, QoS/CoS (MQC), IP packet classification and marking, ingress and egress queuing, ingress and egress policing
MPLS Features
MPLS forwarding, MPLS load balancing
Multicast Features
PIM forwarding, IP multicast priority propagation, Multicast RPF, Multicast NSF, MFIB
Product Family
Cisco Carrier Routing System (CRS)
Ideal Use Cases
Service Provider Core Routing
Engineered for carrier-grade core and edge deployments, the 40x10GE-WLO delivers 40 ports of 10GbE density within the Cisco CRS-X platform, supporting the high-throughput forwarding demands of service provider backbone networks.
CRS-X Capacity Expansion
Organizations running Cisco CRS chassis can expand per-slot forwarding capacity by deploying the 40x10GE-WLO as a 400-Gbps interface module, pairing it with the CRS-X MSC to scale infrastructure without a full platform replacement.
Legacy CRS Migration
The 40x10GE-WLO is compatible with legacy Cisco CRS line-card chassis in 200-Gbps mode, enabling in-service migration from CRS-1 or CRS-3 environments to CRS-X without disrupting existing network operations.
MPLS and IP/Optical Convergence
With full MPLS forwarding and OTN interface support, this module is well suited for networks converging IP and optical transport layers, supporting traffic engineering and hierarchical QoS across service provider infrastructure.
High-Density 10GbE Aggregation
The 40-port 10GbE density makes this module ideal for aggregating high-volume traffic from multiple downstream network segments at the core or edge of large enterprise or carrier networks.
What's Included
Cisco 40x10GE-WLO 40-Port 10 Gigabit Ethernet Interface Module
Certificate of Testing
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. We have stood behind our hardware for 25 years and 5,000+ customers — that is not a marketing line, it is our operating standard.
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
The Cisco 40x10GE-WLO is compatible with the following Cisco CRS chassis and software
Chassis Compatibility
✓
Cisco CRS-X enhanced line-card chassis (400-Gbps mode)
✓
Cisco CRS-3 line-card chassis (200-Gbps mode)
✓
Cisco CRS-1 line-card chassis (200-Gbps mode)
✓
Required Paired Card
✓
Cisco CRS-X Modular Services Card (MSC)
Software Compatibility
✓
Cisco IOS XR Software Release 5.1.1 or later
For compatibility verification specific to your environment, contact our engineering team: +1 214 607-4800 or sales@whaleycomm.com
Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
Shipping
Orders typically ship within 1-2 business days after payment confirmation. Tracking details are shared once the order has been dispatched.
Returns
Eligible products can be returned according to WhaleyComm's return policy. For DOA, warranty, or product-related issues, contact the support team for replacement or resolution.
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
The 40x10GE-WLO is compatible with enhanced Cisco CRS line-card chassis operating in 400-Gbps mode and with legacy Cisco CRS line-card chassis operating in 200-Gbps mode. It is supported across CRS-X, CRS-3, and CRS-1 chassis environments. Always verify your specific chassis and fabric card configuration with your Cisco documentation before deployment.
The 40x10GE-WLO requires Cisco IOS XR Software Release 5.1.1 or later, as specified in the official Cisco CRS-X Modular Services Card data sheet. Ensure your CRS platform is running a compatible IOS XR release before installing this interface module.
Yes. According to Cisco's official documentation, the 40x10GE-WLO is always paired with a Cisco CRS-X Modular Services Card (MSC). It functions as a physical interface module and must be used in conjunction with the MSC for full operation.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it at no cost — no time limits, no questions asked.
Every unit goes through our ISO 9001-certified testing process: full power-on diagnostics, port-by-port functionality testing, firmware verification, factory reset, and final inspection. A Certificate of Testing ships with every unit.
Cisco 40x10GE-WLO Refurbished — 40-Port 10GbE CRS-X Interface Module
$499.00
Cisco
Cisco 40x10GE-WLO Refurbished — 40-Port 10GbE CRS-X Interface Module
MPN: 40x10GE-WLO
$499.00
In Stock — Ships Same Day
