Patton OnSite EFM 2-8 Wire IAD; 4 x 10/100; 100-240VAC
The OS3304 units feature pair bonding support of up to 4 twisted-pairs (8-wire), multiple bandwidth options, and strong software suite making them the ideal integrated access device (IAD) for service providers looking to replace E1/T1 service with high speed Metro Ethernet E-Line, E-LAN, or E-Tree services over copper.
There is also a PoE version:
Patton OS3304/4ETH/AF/EUI OnSite EFM 2-8 Wire IAD; PoE; 4 x 10/100; 100-240VAC
For detailed information see the Patton OS3300 page