Lifecycle record
NCS4K-20T-O-S EOL & EOSL Dates
Cisco NCS 4000 20x10G OTN Card - SFP+
Lifecycle status
End of Support (EOL Completed)
NCS4K-20T-O-S reached its last date of support on 2022-01-31. Cisco support services are no longer available for this model. Recommended replacement: NCS4K-2H10T-OP-KS.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2016-01-28 |
|---|---|
| End of Sale (EOS) | 2017-01-27 |
| End of Service Life (EOSL) | 2022-01-31 |
| Manufacturer | Cisco |
| Category | Optical Transmission Network |
| Product Series | Cisco Network Convergence System 4000 |
| Part Number | NCS4K-20T-O-S |
| Release Date | - |
| Replacement Part Number | NCS4K-2H10T-OP-KS |
| Replacement Product Name | Cisco NCS 4000 2x 100G CPAK 10x10G SFP+ OTN/Packet Line Card |
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 | 2017-04-27 |
|---|---|
| End Of New Service Attachment Date: HW | 2018-01-27 |
| End Of SW Maintenance Releases Date: HW | 2018-01-27 |
| End Of Routine Failure Analysis Date: HW | 2018-01-27 |
| End Of Service Contract Renewal Date: HW | 2021-04-27 |
| Last Date Of Support: HW | 2022-01-31 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco Network Convergence System 4000 EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| NCS4K-2H-O-K | Cisco NCS 4000 2x 100G CPAK - OTN Line Card - CPAK | 2016-01-28 | 2017-01-27 |
| NCS4K-2H-W | Cisco NCS 4000 2x 100G CP-DQPSK - Full C band Tunable | 2018-09-17 | 2019-09-17 |
| NCS4K-2X100G-SK | Cisco NCS4000 2x 100G CP-DQPSK WDM + 4x CPAK LR4 STARTER KIT | 2018-02-26 | 2019-02-26 |