5 6
Figure 2-1 Install hangers diagram
Pul l ou t t he powe r pl ug befo re c lean ing the switc h. D o not use wet cloth nor liqu id to
wip e or wash t he swit ch;
Do no t leave the sw itch c lose t o water or wet p lace s o as to pre vent w ater o r damp ness
fro m enter ing int o the swi tch;
Mak e sur e th e sw itch w ork i n a c lean e nviro nment . Exc essiv e dus t may ca use
ele ctros tatic adsor ption , whi ch w ill a ffect the eq uipme nt li fe an d cau se co mmuni catio n
fai lure;
The sw itch wil l w ork norm ally un der the cor rect vol tage . P lease e nsur e t he volta ge
ind icate d on the sw itch co rresp onds to t he powe r volta ge;
To avo id the d anger of ele ctric shoc k, ple ase do n ot ope n the s witc h case . Do no t open
the s witch c ase eve n if the sw itch is p owere d off;
The acces sorie s (inc ludin g but not l imite d to po wer l ines , etc. ), whi ch can be use d for
the s witch o nly, is p rohib ite d for ot her app licat ions.
The dev ice shou ld work in i ndoor env ironm ent to avoid thu nder stro ke. It is impor tant to
obe y the f ollo wing r equir ement s no ma tter y ou ins tall it in the c abine t or on the w orkbe nch
dir ectly :
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Whe n it i s work ing, the swit ch ma y be affec ted by e xter nal i nter feren ce ou tsid e the syst em
thr ough th e ways of r adiat ion and c onduc tion. P lease p ay atte ntion t o the fol lowin gs:
AC power supp ly is TN s ystem , so it i s nec essar y to use sing le p hase powe r soc ket
(PE ) whic h can p rote ct gro und w ire s o that the f ilte r circ uit c an effe ctive ly filt er out t he
pow er grid d istur bance s;
The sw itch sh oul d wor k f ar awa y f rom hi gh-po wer r adio tr ansm itter s, rad ar
tra nsmit ters, h igh-f reque ncy dev ices;
Use e lectr omagn etic sh ieldi ng if nec essar y, such a s shiel ded cab le;
Int erfac e cabl es shou ld be arr ange d indoo r rath er than ou tdoor t o prev ent ov er-
vol tage an d over- curre nt caus ed from d amagi ng to the s ignal p ort.
2 2 2. . Installation Requirements
2 2 3. . The Requirements of Electromagnetic Environment
The diag ram is f or re feren ce onl y, the p rod uct s ar e sub jec t to a ctu al
pro duct.
2 3 . Installation Way
2 3 1. . Rack Installation
The re are 3 in stall ation w ays: ra ck, wor kbenc h and ins talla tion. w all -hu ng
Ins talla tion pr ocess :
(1)
(2) U se scre ws to fit h anger s at the de vice bo ard sid e;
Che ck rack g round ing and s tabil ity;
Ple ase p ull ou t t he pow er lin e b efo re ins tal lin g o r m ovi ng the switch.
Gro undin g and an ti- lig hte nin g can g rea tly i ncrea se the p rot ect ion l eve l of th e
swi tch. ple ase co nne ct th e eart h te rmi nal to t he ea rth by usi ng a t le ast w ire
20.
Caution
Instruction
(3) Pu t the dev ice on the ra ck’ s bra cke t and mov e the rack al ong th e slot to
pro per pos ition ;
(4) Use scre ws to f it the ins tal lat ion hanger at r ack’s fixed slo t, make sure the
dev ice is in stall ed at rac k’s bra cke t ste adi ly.