The ADTRAN NT1 ACE provides the network termination for 2B1Q ISDN basic rate service. The NT1 ACE provides a 2B+D basic rate interface between the subscribers' terminal equipment and the ISDN network. Basic rate ISDN consists of two 64 kbps B channels and a single 16 kbps D channel. Connection to th ...
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The Quad Bridge module provides LAN-to-LAN connectivity using bridging over the WAN. Additionally this module acts as a LAN switch to provide Layer 2 Ethernet switching between each of the ports on the module.
PBX systems which have little or no ISDN capability can now easily and economically connect to ISDN networking. The ADTRAN ATLAS 550 provides both a T1 port to connect to the PBX and an ISDN port to connect to the public ISDN network and the switching and conversion to transparently link two differe ...
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