Lifecycle record
NCS-55A1-48Q-DTC EOL & EOSL Dates
Cisco NCS55A1 Fixed 48X25G & 6X100G chassis for DC
Lifecycle status
EoS - Sales Ended
NCS-55A1-48Q-DTC is no longer sold by Cisco; end of sale was 2025-03-29. Support continues until 2030-03-31. Recommended replacement: NCS-57C1-48Q6D-S.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2024-03-29 |
|---|---|
| End of Sale (EOS) | 2025-03-29 |
| End of Service Life (EOSL) | 2030-03-31 |
| Manufacturer | Cisco |
| Category | Routers |
| Product Series | Cisco Network Convergence System 5500 |
| Part Number | NCS-55A1-48Q-DTC |
| Release Date | 2018-02-20 |
| Replacement Part Number | NCS-57C1-48Q6D-S |
| Replacement Product Name | Cisco NCS 57C1 Base Chassis, Fixed ports - 32X25G, 16X50G & 6X400 |
Lifecycle Timeline
Recorded lifecycle milestones in date order.
Additional Information
Support milestones and the official source recorded for this model.
| Last Ship Date: HW, License | 2025-06-28 |
|---|---|
| End Of New Service Attachment Date: HW | 2026-03-29 |
| End Of SW Maintenance Releases Date: HW | 2026-03-29 |
| End Of Routine Failure Analysis Date: HW | 2026-03-29 |
| End Of Vulnerability/Security Support: HW | 2030-03-31 |
| End Of Service Contract Renewal Date: HW | 2029-06-27 |
| Official EOL Notice | View Official EOL Documentation |
| Note | Please note: 25.3 will be the last IOS XR release that will be supported on all PIDs in Table 2 below. |
More Cisco Network Convergence System 5500 EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| NC-55-24H12F-SE | Cisco NCS 5500 24X100G and 12X40GE Line Card | 2021-08-23 | 2022-08-23 |
| NC-55-24X100G-SE | Cisco NCS 5500 24x100G Scale Line Card | 2021-08-23 | 2022-08-23 |
| NC55-24H12F-SB | Cisco NCS 5500 24X100G and 12X40G Scale Spare | 2021-08-23 | 2022-08-23 |
| NC55-24H12F-SE | Cisco NCS 5500 24X100G and 12X40GE Scale Line Card | 2021-08-23 | 2022-08-23 |
| NC55-24X100G-SB | Cisco NCS 5500 24x100G Scale Spare | 2021-08-23 | 2022-08-23 |
| NC55-24X100G-SE | Cisco NCS 5500 24x100G Scale Line Card | 2021-08-23 | 2022-08-23 |
| NC55-5516-FAN | Cisco NCS 5516 Fan Tray - Spare | 2022-02-10 | 2022-08-11 |
| NC55-5516-FC | Cisco NCS 5516 Fabric Card, Spare | 2022-02-10 | 2022-08-11 |