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Up to eight switches can be stacked together to function as a single unit
The Inter-Tel Axxess 550
The 1200590E1 features a built in Web based GUI for easy visual programming
Adtran NetVanta 7100 Phone System 1200796E1 Description:
the 8600 can be set up however you desire
Adtran ISDN BRI Module IQ TSU 1204004L2 Gateways Up to eight switches canAdtran ISDN BRI Module IQ TSU 1204004L2 Description: The 1204004L2 is a BRI module for the Adtran IQ TSU. The 1204004L2 offers 2 B channels + a D channel through a RJ 45 interface. The module supports 1 B + 1 D channel with 56 64k DDS in an IQ 310. The 1204004L2 re establishes physical layer and frame relay signalling in the event of primary link failure. loss of LMI, or loss of PVC network restoral independent of router. The Adtran 1204004L2 is
