Telco Interfaces

Analog Interfaces
Analog 1-4 Lines/Stations Digium TDM410P Digium TDM410PE (echo cancellation)		Analog 1-8 Lines/Stations Digium TDM800P Digium TDM800PE (echo cancellation)
Analog 1-24 Lines/Stations Digium TDM2400 Digium TDM2400E (echo cancellation)
Analog Modules (FXS and FXO)

Digium S110M Single FXS Module Use with TDM 410P(E)	Digium X100M Single FXO Module Use with TDM 410P(E)	Digium S400M Quad FXS Module Use with TDM 800P(E) and TDM 2400(E)	Digium X400M Quad FXO Module Use with TDM 800P(E) and TDM 2400(E)
Digital Interfaces

Digium TE122P(E) Single span T1/E1/PRI Optional echo cancellation	Digium TE210P(E) Dual span T1/E1/PRI Optional echo cancellation	Digium TE410P(E) Quad span T1/E1/PRI Optional echo cancellation

Analog Interfaces