fiber optic produc t s 800-336-2 1 1 2 ext.279 specifications and information are subject to change without prior notice. ? copyright 2000, litton systems, inc. msg80027 05/01 540-552-3011 international 540-953-4783 fax email: info@litton-ps.com multimode fiber optic switch FO4635 the micro electromechanical system (mems) based multimode switch uses a movable mirror process to allow light to pass through the switch on activation or to be blocked/diverted when the switch is deactivated. this makes the switch particularly well suited for fail-safe bypass applications. switches are available in on/off, 1x2, and 2x2 configurations. there is also a high attenuation version of the 2x2 switch used for node bypass (i.e. fddi) applications. a standard pcb footprint allows the switch to be conveniently mounted with control electronics. the standard switch is equipped with 62.5/ 125 m multimode fiber pigtails with no connec- tors, but a variety of fiber and connector options are available. we speak the language of light. tm for more information about our fiber optic prod- ucts, contact litton poly-scientific, fiber optic products, 1213 north main street, blacksburg, virginia 24060-3100. litton poly-scientific www.litton-ps.com ? fddi bypass ? local area network bypass ? optical routing ? loopback diagnostic testing ? ring network protection ? test access ? small size 1.25?l x 0.54? w x 0.50? h ? switching time <10.0 ms ? low power consumption ? fail-safe return to bypass mode with power-off ? printed circuit board mountable ? switch status, electrical contacts ? low insertion loss ? high reliability ? high loss option for bypass & loopback testing ? non-latching ? mems based design applications features
800-336-2112 ext.279 ? 540-552-3011 ? fax 540-953-4783 ? www.litton-ps.com ? email: info@litton-ps.com litton poly-scientific, 1213 north main street, blacksburg, va 24060-3100 part numbering FO4635 ? basic part number multimode fiber code size index na m 62.5/125 m graded .28 x special identify before sale min typ max unit environmental ratings operating temperature range ?30 ?? 85 c storage temperature range ?40 ?? 85 c humidity (non-condensing) ?? ?? 95 %rh mechanical life 1.0 ?? ?? m cycle characteristics actuation voltage 4.75 5.0 5.5 v actuation current ?? 40 ?? ma switching time ?? ?? 10.0 ms loss* 1-3 port ?? 0.7 0.8 db loss* 2-4 port ?? 0.7 0.8 db loss* 3-4 port ?? 0.8 1.0 db loss* 1-2 port ?? 0.8 1.0 db loss* 1-2 port (high atten. bypass) 4.5 5.5 6.0 db crosstalk 60 ?? ?? db status contacts @ 24vdc ?? ?? 1.0 a *loss without connectors. dimensions input ports code quantity 01 1 02 2 * high attenuation bypass wavelength code 8 850nm 3 1300nm x special connector code style nc none fc fc/pc sc sc/pc sm sma st st x x special pigtail length code length s 1.5 meters x special output ports code quantity 01 1 02 2 b2 2ha* typical switch configuration (2x2) optical path status contacts switch on 1-3, 2-4 closed switch off 1-2, 3-4 open switch pin configuration pin number description 1 +5 vdc 2 common 3 n.o. status contact 4 n.o. status contact 5 not used specifications
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