Special Features:

Supports async or sync communication over dual optical fibers; v.52 and v.54 diagnostics; data rates to 38.4 kbps; range to 2 miles; immune to rfi/emi noise, ground loops and transient surges; diagnostic and configuration switches easily accessible; switch-selectable carrier control; no ac power or batteries required; two status indicators; male db-25 st connector; transmission line: dual optical cable; interfaces: eia rs-232, ccitt v.24; -4dbm receiver sensibility; -30 to -36 dbm coupled power output; 850mm optic wavelength; 0-60 degrees c temperature range

Properties:

An item which modulates and demodulates one or more electrical signals. It connects data terminal equipment to a communication line or network such as telephone, radio or telegraph. It may include the multiplexing and demultiplexing circuits, circuit amplifiers and source(s) of carrier frequency. For items designed for light signals, see modem, fiber optic.