![[Photo of 8 port Through Coupler RJ45 DDF B2]](/images/couplers/rj45-through-coupler-ddf-b2.jpg "Through Coupler RJ45 DDF B2")
![[Photo of rear of 8 port Through Coupler RJ45 DDF B2]](/images/couplers/rj45-through-coupler-ddf-b2-rear.jpg "Through Coupler RJ45 DDF B2")
As your infrastructure moves from coax to twisted pair you need to find a means to roll out twisted pair equipment whilst making use of existing hardware investments.
The RJ45 DDF B2 Through Coupler installs into your existing HDC43 DDF, providing you with a simple solution for the interconnection of RJ45 twisted pair equipment. This 8 port twisted pair through coupler is equipped with 8 Cat5e shielded through couplers to replace your Type 43 HDC DDF B2 Blocks.