Adtran ISU 128
The ADTRAN ISDN Service Unit ISU 128 connects data terminal equipment (DTE)to the ISDN network.
It is a full featured single port terminal adapter that allows cost-effective high-speed data transmission at rates up to 128 Kbps. This makes the ISU-128 ideal for LAN/WAN connectivity or disaster recovery.
ISDN service is delivered from the network by a single 2-wire U-interface connected directly to it. The ISU 128 responds to loop-back commands from the telephone company central office to make testing easy.
This unit allows the user to migrate existing networks to an ISDN environment .It inter-operates with V.34 modems(optional) and Switched 56 DSU, as well as various ISDN terminal adapters, inverse multiplexers and multi-link PPP compatible routers.
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Cables, batteries and other accessories are sold separately unless otherwise stated.
