Total Access 604 T1 ATM - Single T1 ATM network interface Designed for VoATM and VoIP applications Includes Echo Cancellation (G.168) and ADPCM (G.726) compression resources Upgrading a 2nd Gen TA 612/616/624 T1 TDM to ATM will require an additional Echo Cancellation (G.168) and ADPCM (G.726) compression resource module unless ordered originally with the module installed Fixed FXS ports (4 8 12 16 or 24 ports) 50-pin female amphenol connector for Carrier Class analog POTS interfaces Integral IP router via 10/100BaseT Ethernet IP router supports DHCP NAT/PAT packet filtering RIP V1/V2 Layer 2 PPP and Frame Relay V.35 synchronous DTE interface Durable metal casing 10-year warranty AC powered Battery backup available separately or bundled with base unit.
