1-415-230-4353

Juniper CBL-RJ21-MDIX-S

Part #: 
CBL-RJ21-MDIX-S
MFR:
Juniper
MSRP: 
$750.00

3-meter VHDCI to RJ21 Ethernet Breakout cable spare. For use with PB-48FE-TX, P-12FE-TX, and PE-12FE-TX. Connects to RJ21 to RJ45 patch panel and services (12) 10,100 Ethernet ports. Configured for MDI-X pinout.

Quality Assurance Policy

Every piece of used networking equipment goes through our 5-step Quality Assurance & Testing process. Learn the secrets to how we ship 100% functional gear every time. Read more…

Return Policy

In the unlikely event, not of a water landing, but when a unit is found to be defective during the warranty period, we stand behind that equipment with a thorough Return Merchandise Authorization (RMA) policy. Read more…

BLOG

October 28, 2026
Derek Stadmiller
When Your Server Needs a Box Fan, It Might Be Time for an Upgrade
Enterprise cooling solution, courtesy of the office supply closet.
...
More >

Terabit systems advantage

Warranty
Juniper Experience

We back all our Juniper CBL-RJ21-MDIX-S and other Transceiver Modules and Cable products with our Juniper warranty.

Our Engineering team has years of experience with Juniper and other Juniper Transceiver Modules and Cable products. This gives you the support you need to efficiently build your Juniper network.

Terabit systems advantage

Warranty

We back all our Juniper CBL-RJ21-MDIX-S and other Transceiver Modules and Cable products with our Juniper warranty.

Juniper Experience

Our Engineering team has years of experience with Juniper and other Juniper Transceiver Modules and Cable products. This gives you the support you need to efficiently build your Juniper network.

Our team

It still has that new card smell.

Joe
Marketing Manager

Used does not mean less capable. As soon as gear is plugged in it becomes “used”, much like a brand new car driving off the lot.

Brian
General Manager

If you’re happy, we’re happy. If not, call us and we’ll make it right.

Raul
Senior Sales Associate