RAMSAT ISDN TA-Dual (128kbit) USB
ISDN Terminal Adapter with dual channel support via USB
Made for use with M4 or Fleet terminals with ISDN interface and 128kbit support

Download Datasheet (PDF)
Download Schematics(PDF)
Download Datasheet (PDF)
Connecting Internet (PDF)
( USB to ISDN S0 interface (RJ45) )

Robust ISDN Terminal Adapter built for the maritime environment. Supports all standard protocols used with satellite data transfer even RAMSAT proprietary transfer protocol HASC. Typical use as dial up unit for M4 or Fleet terminals into terrestrial line or CES internet.
May also be used as receiver at shore side installations in peer to peer file transfer applications.
Workstation interface is USB with a maximum speed of 230400 baud.
Output is standard EUR ISDN S0 interface with RJ45 cabling.
AT command controlled and transfer protocols with very high performance PPP, Multi PPP, HDLC or HASC(tm),X25, V120 and our proprietary dual channel X75 protocol for 128kbit max performance.