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16 programmable keys that can be used for line appearances or additional feature keys
The NetVanta 4430 has three Neetwork Interface Module (NIM) slots in the back of the chassis
50-pin female Amphenol connector for Carrier Class analog POTS (FXS) interfaces
or receptionist phone for those who need access to many lines at once
Timing derived from the OMM module
Adtran NetVanta 818 NTU with Power 4200637G2US Phone Systems 16 programmable keys that canAdtran NetVanta 818 with Power 4200637G2US Description: The Adtran NetVanta 818 is an EFM bonded network termination unit designed for cost effective deployment of voice and data services to small and medium sized businesses. The Adtran 4200637G2US NTU terminates up to eight four wire T1 E1 loops at the customer end. The Adtran Bundle 4200637G2US combines the NetVanta 818 (1200637G2) with the North American AC DC power converter. The NTU has four 10
