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Key Technical Specifications
- Part number: 11076A-128
- Revision: REV-01
- Manufacturer: Alcatel-Lucent
- Platform: CBX-500
- Module type: ATM flow control processor card
- Ports: 1-port OC12/STM4
- Functions: VP shaping, QoS
- Memory: 128 MB RAM
- Application: Carrier ATM switching
- Compatibility note: Verify chassis slot and revision before ordering
Product Introduction
Alcatel-Lucent 11076A-128 is a CBX-500 ATM flow control processor card with 1-port OC12/STM4 capability. It handles VP shaping and QoS functions, so it belongs in legacy carrier switching environments where exact board matching matters.
This part is typically bought as a direct replacement for a failed CBX-500 control card. Check the revision, slot compatibility, and system records before installation.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Card not detected by chassis | Wrong revision, poor seating, or slot mismatch | ✅ High | Reseat the card and verify the label against the shelf inventory | Confirm exact part and revision first |
| OC12 port stays down | Optics issue, fiber fault, or remote-end problem | ❌ Low | Inspect the fiber, optics, and peer alarms | Do not replace the processor first |
| QoS or shaping not working | Configuration error or policy mismatch | ✅ High | Review the active config and compare with the old card settings | Recheck software parameters before swap |
| Intermittent traffic loss | Marginal connector contact or power instability | ✅ Medium | Monitor chassis power and inspect edge connector seating | Reseat and test under load |
| System alarms on boot | Firmware mismatch or hardware fault | ✅ High | Read the alarm log and compare version records | Verify software compatibility before replacement |
If you are stuck, contact technical support with photos, rack details, and any diagnostic logs.
- 11076A-128
Frequently Asked Questions
Q: What is this card used for?
A: It is an Alcatel-Lucent CBX-500 OC12 ATM flow control processor card. In practical terms, it manages carrier ATM traffic on that platform.
Q: Is 11076A-128 the exact part number I should match?
A: Yes, and the revision matters too. On older telecom boards, a close match is not enough if the chassis expects a specific revision.
Q: Can I hot-swap it?
A: Do not assume so. Unless the site procedure explicitly allows live replacement, shut the shelf down first.
Q: What settings need to be preserved?
A: Save the active config, alarm history, and any card-specific shaping or QoS parameters before removal. I have seen teams lose time because they replaced the board first and documented later.
Q: Is this refurbished?
A: It is generally sold as new surplus or OEM stock unless the seller states otherwise. That usually explains the price gap versus factory-new inventory.
Q: Why is the revision important?
A: Revision affects fit, system recognition, and in some cases feature behavior. If the old card is still available, take a label photo before pulling it.
Q: What should I verify before buying?
A: Confirm the exact part number, revision, platform family, and slot compatibility. If the old card failed, save the logs and alarm codes before replacement.
