800-867-8426 ? info@opticomm.com ? www.opticomm.com ? contact opticomm for custom requirements. * chromatic dispersion and additional losses should be taken into account optical wavelength fiber output receiver loss conn 865 1310 1550 type mode suffix type power sensitivity budget range* type ? led mm l0 50 /125 -16 dbm -34 dbm 18 db 3 km st ? 62.5/125 ? led mm l1 50 /125 -16 dbm -34 dbm 18 db 4 km st ? 62.5/125 ? laser sm l2 09/125 -10 dbm -34 dbm 24 db 25 km fc ? laser sm l3 09/125 -10 dbm -34 dbm 24 db 35 km fc rs-232/422/485 multi-drop system the DS-120MDR multi-drop fiber optical data sets are designed to connect multiple equipment with the rs- 232/422/485 2- or 4-wire interface. the data sets consist of one master unit and at least one slave. both master and slave units provide one port with async data rates up to 125 kbps nrz, and 1 7 /8? x 17? character lcd status display on any remote unit, achieving full diagnostics with no pc. the master unit has one optical channel and the slave unit has two optical channels ?a and b. the ds-120-mdr is ideal for traffic control, industrial process control, and security systems that are configured for bus or ring topologies. the fiber modems regenerate fiber optic signals and provide greater system loss budgets and increased distances. system design the ds120-mdr series is connected to scada, its, card access systems, cctv and security host poll equipment through the rs-232/422/485 interface. it transmits the host?s data and control signals on the optical channel to all the slave units. each unit has built-in dual power redundancy with alarm back-up battery. ds-120-mdr-b: in bus configuration, the slave unit receives data/control signals from the scada host?s channel a, and loops through channel b to the next slave unit. slave responds with an rts signal. features ? master / slave multi-drop system ? choice of rs-232, rs-422 or rs-485 eia interfaces ? bus or ring system topology with anti-streaming ? async data rates up to 125 kbps ? 3-35 km range full-duplex fiber ? multimode or singlemode operation over two fibers ? self-healing and diagnostic display capability ? compatible with ons pc-based network management ds-120-mdr-r: in ring configuration, channel b can be used as a counter-rotating ring. the scada host polls every slave, the slave responds by an rts signal, then transmits data/control signals on channel a instead of looping through channel b. DS-120MDR self-healing multi-drop ring/bus topology opticomm reserves the right to change specifications without notice
made in the usa data (ethernet/serial/usb) data data rate dc to 125 kbps async per channel connector type db25f (30 micron gold pin) interface dce for rs-232, rs-422 or rs-485 (2- or 4-wire) bit error rate 10e -9 general dimensions & weight 5.0? l x 5.0? w x 1.5? h 24 oz operating temperature -20 c to +70 c storage temperature -30 c to +85 c humidity 0 to 95% non-condensing operating voltage 12 v dc (300ma), 24 v ac (300 ma) and -48 v dc (150ma) optional vibration up to 5 g's shock up to 12 g's diagnostics status monitoring led indicators for pwr,xmt. rcv, rts, cts and cd with anti-streaming capabilities esd full protection true tri-state sensing re-clocking and regenerated data at each unit individual addressable at each unit multiple masters and slaves local and remote loopback test sample configuration optiva ? configurable communication platform network management sdi & hd-sdi composite video, audio & data rgb/vga/dvi audio/fsk/intercom data (ethernet/serial/usb) catv/rf & l-band optical switching, routing & redundancy passive multiplexing solutions enclosures, racks & frames power supplies & accessories
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