Dell S4820T Force10 10G Base-T Switch Power:Redundant Power Supplies The 3424P is stackable

The 3424P is stackable

16 Programmable Line Buttons

All 48 ports on the switch are Gigabit allowing for true Gigabit to the desktop speeds

(1) Aastra 6757i SIP Phone (A1757-0131-10-01)

The Adtran 4200305L1 can convert a T1 circuit of 23 bearer channels (B) + 1 data channel (D) into a PRI circuit of 24 bearer robbed bit signalling (rbs) channels and vice versa

Dell S4820T Force10 10G Base-T Switch Power:Redundant Power Supplies The 3424P is stackableDell Force10 S4820T Description: The Dell Force10 S4820T is a high performance, high density switch perfectly suited for data centers as a Top of Rack switch. The S4820T features forty eight 10G BASE T ports as well as four QSFP+ 40GbE ports. The Dell S4820T can support redundant power supplies and fans which are both hot swappable. Dell S4820T Features: 48 Ports 1 10G BASE T 4 QSFP+ Ports 40GbE Single RJ45 Management Port 4 Queues per Port 1. 28 Tbps