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Phone: +86 16626708626Description
Key Technical Specifications
- Part number: 3HE10311AA
- Manufacturer: Alcatel-Lucent / Nokia
- Platform: 7750 SR-e
- Module type: IOM-e baseboard
- Application: Service router chassis
- Compatibility: 7750 SR-e system architecture
- Form factor: Baseboard assembly
- Condition: OEM / New Surplus
- Stock status: Limited availability
- Replacement note: Match exact chassis and revision before ordering
Product Introduction
Alcatel-Lucent 3HE10311AA is a 7750 SR-e IOM-e baseboard used in service router systems. It is a network hardware replacement part for carrier and transport platforms, where exact revision matching matters more than appearance.
Buyers usually choose this part when they need a direct-fit OEM replacement for a failed or missing baseboard. Confirm the full platform revision, slot compatibility, and any installed subassembly before placing it into service.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Chassis fails POST or does not boot | Baseboard fault, power feed issue, or backplane problem | ✅ High | Check front-panel LEDs, then measure input rails and reseat the module | Replace only after confirming power and backplane health |
| Link ports stay down after boot | Daughter card issue, optics, or config mismatch | ❌ Low | Check transceiver seating, port config, and neighbor status | Do not blame the baseboard first |
| Alarm LED active on the chassis | Hardware fault, incompatible revision, or seating issue | ✅ High | Read system alarms and verify the exact part number against the slot | Reseat and verify revision before replacement |
| Intermittent resets under load | Cooling issue, power instability, or failing board electronics | ✅ Medium | Monitor temperature, fan operation, and input voltage during traffic | Confirm thermal and power stability before swap |
| Module not recognized by the system | Wrong revision, poor contact, or incompatible platform | ✅ High | Inspect the part label, connector pins, and chassis support list | Stop and verify compatibility before installation |
If you are stuck, contact technical support with photos, rack details, and any diagnostic logs.
- 3HE10311AA
- 3HE10311AA
Frequently Asked Questions
Q: What is this part used for?
A: It is an Alcatel-Lucent 3HE10311AA IOM-e baseboard for the 7750 SR-e router platform. It sits in the service router system and supports the main line-card function.
Q: Is this a direct replacement for my failed board?
A: Only if your existing part number and platform match exactly. On these systems, a close match is not good enough; verify the chassis and revision first.
Q: Can I swap it live?
A: Not by default. In practice, you should treat this as a shutdown replacement unless the site procedure and hardware design explicitly allow live insertion.
Q: Will my configuration stay intact after replacement?
A: The saved system configuration usually lives elsewhere in the platform, but do not assume everything transfers automatically. Back up the configuration and document the slot layout before you pull the old hardware.
Q: Is this new, used, or refurbished?
A: This is typically sold as new surplus or OEM stock, not refurbished. That usually explains the lower price, but you should still ask for traceability and condition photos.
Q: Why is this part available if the platform is older?
A: Older carrier hardware often stays in service for years, so the aftermarket fills the gap when OEM supply gets thin. That is normal for telecom router spares.
Q: What should I verify before buying?
A: Confirm the exact part number, platform family, slot compatibility, and any revision notes. If the old board failed, save the alarm code and boot logs before removing it.
