The Adtran ATLAS 800 performs IP routing, bandwidth management, and circuit switching using a variety of interface options. The base unit has 1 Ethernet UTP interface, 2 T1/PRI interfaces, and 8 open expansion slots. The package includes 2 RJ48 to RJ48 cables, 1 RJ48 to RJ48 crossover cable, and 1 RJ48 to DB15 adapter. This unit has a DC power supply.