Ro Ut Ine S Afe Ty Te St Ing A Nd In Sp Ec Tio; E Arth B On D Ing T Es; In Su Latio N Te St; R Ec Ord M A Inte N An - Viavi 3900 Series Operation Manual

2 .6 RO UTI NE SAFE TY TES TI NG AND I NS PECT I O N
Th e fol low in g e lec tric al tes ts an d ins pe cti on inf orm a tio n i s p ro vid ed fo r g uid an ce
pu rp os es on ly. T h es e te sts inv olv e t he us e o f vo ltag e s a nd cu rre nts tha t ca n c a us e in jur y
an d sh ou ld on ly b e pe rfo rm e d b y qu alif ied pe rs on ne l fa m ilia r w ith E SD a nd e lec tric al
sa fe ty p re ca uti on s.
Pr ior to ca rry ing o ut a n y in sp ec tio n o r t es t p roc ed ur e, dis co nn ec t a ll e xte rn al e q uip m en t
fro m th e Te st S et an d di sco n ne ct th e T e st Se t from th e A C P o we r Su p ply . A ll t es ts sh ou ld
inc lu de th e in st rum e nt 's o w n s up p ly le ad , a ll c ov er s m u st b e fitte d an d the 3 90 0 A C
Po w er S up ply S wi tch mus t b e in th e O N po siti on .
R ec om m e nd ed te sts a nd in sp ec tion s ho uld b e ca rrie d o u t in the fo llo win g se qu en ce :
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V isu al I ns pe ctio n
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E arth (G r ou nd ) B on d ing T es ts
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In su latio n R es ista nc e Te st
2.6.1 Eart h B on di ng T ests
Ea rth b on di ng te sts sh ou ld be p erf orm e d us ing a 25 A (1 2 V m a xim u m o pe n circ uit
vo lta ge ) D C so ur ce . T es ts sh ou ld be lim ite d t o a m a ximu m du ra tion o f 5 se co nd s an d
ha ve a pa ss lim it of 0 .1 oh m a fte r a llow in g f or the re sis ta nc e o f th e su pp ly lea d.
Ex ce e din g the 5 se co nd te st du ra tion c an da m a ge th e T e st S e t. T he te sts s ho uld b e
ca rrie d ou t be tw ee n the s u pp ly ea rth a nd e xp os ed c as e m et alw o rk. N o atte m p t s ho uld b e
m ad e to p e rfo rm th e t es ts o n fun ct ion al ea rth s ( e.g ., s ign a l ca rry ing c on ne ct or sh ells or
sc re en co nn e ctio ns ) a s t his da m a ge s t he Te st S et.
2.6.2 In sul ati on T est s
A 50 0 V DC t es t sh o uld b e a p plie d be tw ee n the p ro tec tive e ar th co nn ec tio n a nd c om b ine d
live a nd ne ut ral su pp ly c on ne c tion s w h ile the 39 0 0 A C Po w er Su p ply Sw itc h is in th e O N
po sit ion . T o av oid sw itc hi ng th e liv e an d n e utr al p o les on th e Te st Se t, e st ab lish th e
live /n eu tra l lin ks on th e ap plia n ce tes te r o r its co n ne cto r. T h e te s t vo lta ge sh o uld b e
ap pl ied fo r 5 se co nd s be fo re t ak ing th e m e a su rem e n t.
VI AV I u s es re info rc ed in su latio n in the c on str uc tion o f th e 39 00 a nd , th er efo re a m inim u m
pa ss limit o f 7 M o hm s ho ul d b e ac hie ve d du rin g t his te st.
Whe n a D C p ow e r a da pt er is p ro vid ed w ith the e qu ip me n t, th e ad ap te r m us t p as s the
7 Mo h m tes t lim it .
VI AV I d o es no t re c om m e nd die le ctr ic fla s h te st ing d urin g ro utin e sa fet y te st s. Mo st
po rta bl e a pp lia nc e t es ter s u se A C for th e d iel ec tric str en gth te st wh ic h c an d am a ge th e
su pp ly inp ut filte r c ap ac ito rs.
2.6.3 Reco rd M ain t enan ce
VI AV I r ec om m e nd s tha t te st res u lts b e rec o rde d an d r ev iew e d a s pa rt o f e ac h tes t
ins pe ct ion . S ig nific an t d iffe re nc es be tw e en pr ev iou s rea d ing s a nd m e as ur ed va lu es
sh ou ld be in ve stig a ted .
If a ny fa ilur e is d ete ct ed du rin g vis ua l in sp ec tion o r e lec tric al tes ts, the e qu ipm e n t sh ou ld
be d isa ble d an d ev alu at ed by a qu a lified s erv ice te ch n icia n.
Sa fe ty crit ica l co m po n en ts s h ou ld o n ly b e rep la ce d w ith c om p ar ab le p a rts, us ing
te ch niq ue s an d p ro ce du re s r ec om m e nd ed b y V IA V I.
Th e ab ov e info rm a tio n is p rov ide d for gu id an ce p urp os e s o nly . V IA V I de si gn s a nd
m an uf ac tur es its pro d uc ts in a cc or da nc e w ith In te rna tio na l S af ety S tan d ard s so th at
w he n u se d in ac co rda n ce w ith rec om m e nd g uid e line s, the y rep re se nt no ha z ard to th e
op er ato r. VIA V I re se rv es th e r igh t to a m en d t he ab o ve inf orm a tio n i n th e co ur se of its
co nt inu ing c om m itm e nt to pro d uc t sa fe ty.
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