Description
Alcatel-Lucent IOM2-20G | 20G Router I/O Module
Product Introduction
A service-router line card is only useful when it matches the chassis architecture and the interface hardware already deployed. With legacy Alcatel-Lucent platforms, overlooking the IOM generation or MDA compatibility can turn a seemingly straightforward spare purchase into a prolonged network maintenance issue.
The Alcatel-Lucent IOM2-20G is a 20-Gbps-class Input/Output Module designed for supported 7750 Service Router and 7450 Ethernet Service Switch platforms. It provides the processing foundation for up to two compatible MDAs, which deliver the physical network interfaces. The IOM2-20G uses dedicated buffer space for each MDA, a distinction from certain later IOM designs.
For network operators maintaining installed Alcatel-Lucent equipment, the IOM2-20G should be sourced against the complete hardware designation—not simply the family name. Confirm the chassis model, provisioned card type, installed MDA(s), and software release before approving it as a replacement.
IOM2-20G
Key Technical Specifications
- Manufacturer: Alcatel-Lucent
- Model: IOM2-20G
- Product Category: Input/Output Module
- Hardware Generation: FP1 IOM family
- Nominal IOM Throughput Class: 20 Gbps
- Supported Platforms: 7450 ESS and 7750 SR families, subject to chassis compatibility
- MDA Capacity: Up to two compatible MDAs
- MDA Interface: Media Dependent Adapter slots
- Buffer Architecture: Dedicated buffer space per IOM/MDA arrangement
- Software Environment: Alcatel-Lucent/Nokia SR OS
- Configuration Requirement: Chassis slot must be provisioned with the correct IOM type
- Associated Ordering Code Family: 3HE01473AA; verify the complete suffix and revision
- Physical Network Ports: Determined by the installed MDA; not fixed by the IOM designation alone
- Power Requirements: Exact card-level values not independently verified
- Operating Temperature: Confirm against the applicable hardware documentation
- Dimensions and Weight: Confirm from the exact hardware variant and OEM documentation
Technical note: The IOM2-20G is not itself a fixed-port Ethernet switch card. Its supported interface options depend on the installed MDA. Do not infer port count, optics compatibility, or supported data rates without identifying the MDA and chassis configuration.
Global Sourcing & Live-Test SOP
The following is a recommended qualification workflow. It does not imply that the referenced used unit has undergone these tests.
Incoming Verification
- Confirm the designation on the module label.
- Record the complete part number, serial number, and hardware revision.
- Photograph the front panel, connectors, label, and visible board markings.
- Inspect for damaged handles, connectors, contamination, corrosion, and evidence of unauthorized repair.
- Compare the received module with the removed unit and approved hardware references.
Authenticity and Traceability
- Record supplier information, purchase order, received condition, and shipment details.
- Verify consistency between the module label and PCB markings.
- Request traceability or service records when available.
- Flag any suffix or revision discrepancy for engineering review.
Functional Qualification
- Test only in a supported 7750 SR or 7450 ESS chassis.
- Confirm the chassis recognizes the and reports expected card status.
- Verify that the intended MDA types are supported by the chassis and SR OS release.
- Check card diagnostics, MDA recognition, and interface status.
- Where authorized, validate traffic forwarding using an approved test configuration.
- Record software release, chassis model, MDA configuration, test equipment, and results.
Extended Run and Diagnostics
- Perform an extended operating run in a controlled environment when supported by the test procedure.
- Monitor card and MDA diagnostics, interface state, and reported faults.
- Record the test duration and observed conditions.
- A 24-hour run may be included in the qualification plan, but must not be claimed as completed without documentation.
Configuration and Packaging
- Record the installed SR OS release and relevant card configuration.
- Document the MDA types used during testing.
- Preserve diagnostic output and test results where available.
- Package the module in ESD-safe materials with adequate mechanical protection.
- Include inspection or test reports only when those activities have actually been completed.
Field Engineer’s Pitfall Guide
- ❗ Do not confuse with IOM-20G or later IOM generations. Similar naming does not establish hardware interchangeability. Verify the provisioned card type and exact chassis support.
- ❗ Do not overlook MDA and SR OS compatibility. The physical IOM may fit the slot while the intended MDA or software release remains unsupported. Validate the complete combination before deployment.
- ❗ Do not assume hot-swap authorization. Follow the platform-specific maintenance procedure and confirm redundancy, traffic impact, and site change-control requirements before removing or inserting the .
Intent-Driven FAQ
Q1: What is the Alcatel-Lucent ?
It is a 20-Gbps-class Input/Output Module used in supported 7750 Service Router and 7450 Ethernet Service Switch configurations.
Q2: Does the include Ethernet ports?
The IOM provides the processing platform for MDAs. The physical network interfaces and port types depend on the installed MDA.
Q3: Which chassis support the ?
It is associated with supported 7750 SR and 7450 ESS platforms. Confirm the exact chassis model and software release using the applicable hardware compatibility documentation.
Q4: Is the interchangeable with the IOM-20G?
Do not assume interchangeability. Verify the exact card type, chassis support, MDA compatibility, and software release before substitution.
Q5: Can the be hot-swapped?
Do not assume hot-swap capability for every deployment. Follow the applicable chassis maintenance procedure and assess traffic and redundancy implications before removal.
Q6: Is the obsolete?
It is a legacy IOM generation. Current OEM support, software compatibility, and lifecycle status should be confirmed for the specific chassis and installed SR OS release.
Q7: Does the part number guarantee a tested unit or warranty?
No. The referenced offer identifies the item as used. Actual test history, warranty coverage, included accessories, and return terms must be confirmed from the seller’s specific offer.
