The Express 3000 Series products are cost-effective ISDN modems
for high-speed data transmission at rates up to 128 kbps. Both the
Express 3000 and 3010 offers two analog ports for voice and an RS232
port for data.The ISU Series products are ideal for terminating basic
rate service from PBXs and Central Offices. The ISDN Terminal Adapters
are designed for solutions requiring speeds of 128 kbps. Some models
have built-in NT1 functionality. ADTRAN ISDN Inverse Multiplexers
provide additional functionality at rates up to 512 kbps.The NT1 ACE
Series provides a compact, easy to install standalone solution. The NT1
T400 Circuit pack provides high-density solutions for central site WAN
connectivity when installed in a T400 Shelf.
