5 6
Pul l out the po wer pl ug b efore clean ing t he s witch . Do n ot use wet cl oth nor
liq uid to wi pe or was h the swi tch;
Do n ot le ave the s wi tch c los e to w ate r or wet p lac e so as to pre ve nt wa ter or
dam pness f rom ent ering i nto the s witch ;
Mak e sure th e swi tch w ork i n a cle an en vir onm ent . Ex ces siv e dus t may
cau se ele ctr ost at ic ad sorpt ion , wh ich w il l aff ect the e qui pment lif e an d cau se
com munic ation f ailur e;
The swit ch w ill work norm all y und er th e c or rec t v ol tag e. Pleas e en sur e the
vol tage in dicat ed on the s witch c orres ponds t o the pow er volt age;
To a voi d the dan ger of elect ric sho ck , p lease do not ope n th e swi tch cas e.
Do no t open th e switc h case ev en if the s witch i s power ed off;
The acc essor ies (i nclud ing but not lim ite d to po wer lin es , et c.) , wh ich can be
use d for the s witch o nly, is p rohib ited fo r other a pplic ation s.
The de vice sho ul d work in in doo r enviro nme nt to av oid th und er str ok e. It is
imp ortan t to obe y the fo llo wing re qui rem en ts no matt er yo u inst all it in the
cab inet or o n the wor kbenc h direc tly:
Eno ugh s pac e ( lar ge r th an 10c m) fo r a ir o utlet so as to fa cilit ate t he hea tin g
dis sipat ion;
Goo d venti latio n syste m for cab inets a nd work bench ;
Cab inet an d wor kbe nch i s stur dy enou gh to su ppo rt th e inj ect or an d it' s
acc essor ies's wei ght ;
Cab inet an d workb ench ha ve good g round ing.
Whe n it is wo rki ng, the swi tch may be aff ect ed by ex ter nal inte rfe re nce outs ide
the syst em thr ough th e w ays of r adi ati on and c on duc tio n. Pl eas e p ay att entio n
to th e follo wings :
AC pow er s up ply is T N system , so it is n ecess ary to use sin gl e ph ase po wer
soc ket (PE) wh ich c an p rot ect g ro und w ire s o th at th e fil ter c irc uit c an
eff ect iv ely f ilt er ou t the pow er grid d istur bance s;
The swi tch sho uld wor k far awa y fro m hig h-p ower radi o tra nsmit ters, 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 c abl es shou ld be arra nge d in doo r rathe r than outd oor to prev ent
ove r-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 re are 3 in stall ation w ays: ra ck, wor kbenc h and ins talla tion. wal l-hun g
Ins talla tion pr ocess
(1) C heck ra ck grou nding a nd stab ility ;
(2) U se scre ws to fit h anger s at the de vice bo ard sid e;
:
Figure 2-1 Install hangers diagram
(3)
pro per pos ition
(4)
Put th e devi ce on the ra ck’ s brac ket an d move the ra ck alo ng the sl ot to
;
Use scr ews to fit the inst all ation han ger at rac k’s fix ed slot, mak e sur e the
dev ice is in stall ed at rac k’s bra cke t stead il y.
Figure
2 2- Install switch to the rack
Ple ase pu ll o ut t he p owe r li ne befo re i nst allin g or mov ing th e swit ch.
Gro undin g an d a nt i-l igh ten ing can grea tl y i ncr ease the pro te cti on level of
the swi tch. p lea se c onnec t the ea rth te rmi nal to t he e art h by u sin g at least
wir e 20.
Caut io n
2 3 . Installation Way
2 3 1. . Rack Installation