![](/resources/17/tunnel_layer_1.png)
![](/resources/18/tunnel_layer_2.png)
![](/resources/19/tunnel_layer_3.png)
Data & Telephone wiring
Structured Cabling is a single flexible cabling infrastructure that can support it all: PCs, phones and other devices. It’s the ‘glue’ that links everything together - from voice and data to multimedia and network services such as ISDN, ADSL, WAN, and LAN.
![](/resources/22/Comms_Panel_default_340_200.jpg)