Product SummaryRAD's FOM-40 high speed fibre optic modem is a long-range fibre optic modem that transmits data up to 100 km (62 miles), and is a secure data link between computers, routers, multiplexers, and other data communication devices. The FOM-40 high speed fibre optic modem operates at twelve selectable synchronous data rates from 56 kbps to 2048 kbps. The FOM-40 high speed fibre optic modem is compatible with a variety of DTE interfaces, optical interfaces, and different grades of fibre optic cable. Benefits• Extended transmission range up to 100 km (62 miles) • Operates over multimode or single mode fibre • Laser diode option for extended range Further Product InformationThe FOM-40 is a high speed, synchronous fibre optic modem operating full or half duplex over fibre optic cable. It has selectable data rates from 56 kbps up to 2.048 Mbps, and a range up to 100 km (62 miles) using single mode 1550 nm laser diode. The FOM-40 can operate over single mode or multimode fibre using 850 nm or 1310 nm LEDs, 1310 nm laser diode or 1550 nm laser diode. Connects routers to data servicesThe large variety of interfaces supported by the FOM-40 facilitate the connection of distant routers to data services. The Ethernet/Fast Ethernet bridge modules enable the connection of remote LANs and VLANs. The FOM-40 extends these services and connections over fibre optic cables and performs the hand-off to the SDH/SONET or IP network. The FOM-40 features V.54 diagnostics to perform local analog/digital and remote digital loopbacks. Loopback commands are controlled either manually by a front panel switch or via the DTE interface signals. The front panel switch generates an internal pseudo-random test pattern (511) according to the V.52 standard, for testing end-to-end connectivity. The FOM-40 is available as a standalone unit or as a card for the ASM-MN-214 19" rack. 
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