IBM 7861-025, 9600 BAUD Lease Modem (Used)
The 7861 Model 025 offers a data rate of 9600 bps, a backup rate of 7200 bps, a two port Fan-In/Fan-Ouhttp://www.perfdata.com/images/T/Data Multiplex, two DTE interfaces, and a second back up speed of 4800 bps using CCITT V.29. The 7861 Model 025 can also be configured to operate with Trellis Coded Modulation (TCM) to increase throughput on severely impaired lines or while transmitting through Switched Network Back-up.