Model: AM3440

• 128Mbps back plane
• Redundant Power Supply
• Redundant Mapping Controller
• FXS, FXO, 4W E&M, 2W E&M, C37.94, G.703,  X.21/V.11, EIA530/RS449, UDTEA, Dry Contact, G.shdsl, V.35, V.36 , RS232, ATM/Frame Relay