dat a she e t COM-1452 multi-ethernet module with 5 fast ethernet controllers architecture: pc/104-plus ve rsio n 2.0 compliant fast etherne t controllers: five intel? 82551 fast ether n et controllers p c i - to-p ci bridge : texas instrum e nts pci2060 p c i-to-pci bridg e hardware bypass: hardware bypa ss between ethernet ports 1 & 2 (relays normally open) watchdog: programmable manageme nt of an external w d t signal pci environ m ent: 5v tolerant supported o p erating s y stems: wince?, w i nxpe? and linux? rohs: fully rohs (2002/95/ce) com p liant int e rf aces: ? pc/104-plus (pci) ? pc/104 (isa). for signal pass-through only ? five fast ethernet ports physical 10/10 0base-t (magnetics) on boar d ? external watchdog port ? co nnecto r fo r ethernet status leds features ethernet #5 ethernet #4 ethernet leds ethernet #3 ethernet #2 ethernet #1 external watchdog isa bus pci bus et h_co m - 145 2_ds 120607 di gi tal technologi es for a better w o rld w w w . e urotech.i t general description the COM-1452 is a pc/104-plus version 2.0 co mpliant com m unications module that features 5 fast eth e rnet ports and allows th e host cpu mod u le to perform bridging oper at ions with th e possibili ty to manage up t o five different lans using the etherne t protocol. there is also a hard ware bypass be tween ethernet ports 1 and 2 that can be either activated via software, a u tomatical l y activated when the COM-1452 is in powere d off, or activa ted when a watchdog signal is received fr om the host eu rotech cpu module. in this way, for example, it is possib l e to realize a cro sso ver co nnectio n between two lans. each ethernet port is managed by an inte l? 82551 controller that can provide fast data t r ansfers by offl oading tcp, udp and i p checksums fro m the main pro c essor. the o ff-load tcp segmentation is also support ed for operations s u ch as large send. the com?14 52 has the texas instruments pc i2060 pci-to-pci bridge; this allows transactions to occur b e tween a mast er on one pci bus and a target on another by creating hierarchical pci buses. the bridge makes it possi ble for the primary and secondar y bus clocks to be completely asynchronous. the sm all footprint design of the COM-1452 makes it eas y t o embed within new or existing system desi gns a n d is an i d eal choice when space-constrained environments are decisive factors. the module has been de signed to resist harsh environmental co nditio ns; it is resistant to high h u midity, vibratio ns an d me chanical shocks. the m o dule can be qualified to operate in the standard (0 ~ +60c) or exte nded (-40 ~ +85c) tempera t ure ranges.
COM-1452 datasheet et h_co m - 145 2_ds 120607 eurotech spa a member of th e e u rote ch group via fra t elli solari , 3 / a 33020 amar o (ud) - italy e-mail: sale s@ eur otech.i t tel. +39 0433 485 411 - fax . +39 043 3 485 499 note: t he i n for m ati on in t h i s doc ume n t is s u bjec t to c h ange wit hou t no tic e and s h oul d no t be c ons tr ued as a c o mmi tme n t by eur o t e c h s .p. a . w h ile r eas on ab le pr ec auti ons h a v e be en tak en, eur o t e c h s.p . a. as s u mes no r e s pons i b i lity f o r any er r o r tha t may app ear i n th is doc um ent. a ll tr ade m a r k s or r egis t er ed t r ade mar k s ar e the pr oper t i es of the i r r e s pec tiv e c o m pan ies . di gi tal technologi es for a better w o rld w w w . e urotech.i t accessories ? options ? ? ? ph ysical characteristics ? ? ? ? ? ? ty pical applications network link management in transportation, defence and industrial applications that are prone to rough conditions and extremes of temperature.
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: eurotech: ? COM-1452-00
|
