Motorola UDS-2860

Reliable, high quality 4,800/2,400 bps transmission compatible with Bell 201B/C, 201BC/AS (DPSK 4 phase), 208A/B and 208 AB/AS (DPSK 8 phase) modems. Versatile transmission compatible with both Bell 201 BC/AS and 208 A/B in one modem with DC - AC Voltage and Multi-Point / Multi-Drop, Dial, 2 or 4 wire lease line.