DSU / CSU, External Enclosure, Serial V.35 Interface, 1.544 Mbps
Kentrox DataSMART® 658 DSU / CSU (KEN72658) - The DataSMART 658 Single-Port Add/Drop DSU/CSU is designed for businesses that require both voice and data services. With the DataSMART 658, you can integrate your voice traffic from a T1 PBX and data or Internet traffic onto a single T1/FT1 line, avoiding multiple WAN access charges.