Bulk Buyer • Old & Obsolete Cisco • We Handle Logistics

Sell Your Used CBR-4D31-16U30-SP

Old, obsolete, low or no value — we buy the Cisco CBR-4D31-16U30-SP (CBR CCAP Line Card - 1 D3.1 DS Modules and 1 D3.0 US Module) in bulk, working or not, and handle the logistics. No testing, no boxing, no cherry picking. The problem disappears.

Get an Offer

CBR-4D31-16U30-SP Lifecycle and Specs

Cisco support for the CBR-4D31-16U30-SP ended on September 30, 2025. Hardware past its last date of support can no longer be covered by a Cisco service contract, which is usually when organizations retire it.

Part number	CBR-4D31-16U30-SP
Cisco description	CBR CCAP Line Card - 1 D3.1 DS Modules and 1 D3.0 US Module
Product family	Cisco uBR Cable CMTS
End-of-life announced	March 20, 2020
End of sale	September 18, 2020
Last date of support	September 30, 2025
Cisco replacement	CBR-4D31-16U31-SP — CBR CCAP Line Card - 1 D3.1 DS Modules and 1 D3.1 US Module

Dates and descriptions from Cisco’s end-of-sale and end-of-life announcement.

Upgrading to the CBR-4D31-16U31-SP?

Cisco lists the CBR-4D31-16U31-SP (CBR CCAP Line Card - 1 D3.1 DS Modules and 1 D3.1 US Module) as the replacement for the CBR-4D31-16U30-SP. If you are migrating, send us the CBR-4D31-16U30-SP cards coming out of your chassis. We buy the whole lot, working or not.

Why Sell Your CBR-4D31-16U30-SP to Us

We make the problem disappear — we handle the logistics
We buy in bulk — no cherry picking
Old, obsolete, low or no value — working or not
No special prep — just stack in gaylords/pallets
Fast payments — clear terms and quick POs

Get an Offer for Your CBR-4D31-16U30-SP

Paste your list or upload a file. Part numbers and quantities are all we need to start.

Other Cisco uBR Cable CMTS Parts We Buy

CBR-8D31-16U30-SP CBR CCAP Line Card - 2 D3.1 DS Modules and 1 D3.0 US Module
CBR-CCAP-LC-40G-R CBR CCAP 40G Remote PHY Line Card
CBR-CCAP-SUP-60G Supervisor for cBR series - forwarding capacity of 60Gbps
CBR-CHASSI-HANDLE CBR handle, optional, reusable, lifts a chassis onto a rack
CBR-D30-DS-MOD D3.0 DS Module (code name: Gemini 1)
CBR-D30-US-MOD D3.0 US Module (code name: Leoben 1)
CBR-LC-40G-R-SP CBR R-PHY line card for Cisco Service - No DS and US Modules
CBR-LC-4D31-16U30 CBR CCAP 4X16 LC - 1 D3.1 DS Module and 1 D3.0 US Module
CBR-LC-8D30-16U30 D3.0 cBR CCAP Line Card - field upgradable to D3.1
CBR-LC-8D31-16U30 CBR CCAP Line Card - 2 D3.1 DS Modules and 1 D3.0 US Module

All Cisco uBR Cable CMTS part numbers →