AT&T System 85 Upgrade Manual page 91

SYSIEM T9GENEFC
1
IlW
UPGMDCS TO
D€FNM
GENERb
2
5.21
m.
Thc following tgurc
shows
TDlvt&AN bus!
rarminator
curent limiter placcmcnt locations.
IEIMIN^TOR
CFU
CIJ'
TENI
PACX
TETMINATOI
l!
R
vlEw
UNDUruC]{rlD
Figurc 5-9. TDlvtI-AN
Buss
Te.minalors
and
Curc.n!
Linirc.
Placarnent
For
oldei po(l b&kplanes,
gddy
seat
thc connectors
inlo positjon on thc backplang.
Take cate
not lo
saat
the
cotuecloN funher lhan l/4
inch onlo lhc
bacblarc pins. Do
not atlempl
lo Fcss
the connectors f,ush
with
lhe
b&kplanc
panel.
ReirEtall curr€nt
[miIer
p&l
CFYI
to lhc
rarr of modulc cootrol
c{rier
0 at level
A,
de,signaled
CURL, at thc far righ! sidc of lhe
lhe b.cLplane.
In$all
only
one
CFyl pacl
Fr
cabinet.
lDslrll ttis circuit pack
iD
crrrier
levcl
A
only.
Install lhe following
new module
cooNl circuit pa.ks:
NOTE: Aueh
your wd51
sEap b€fore
lundling circuir
packs and rcplace
tbc cove$ on de
cariers
6f1er
insening the
ncw Frk1
2t.
INFA(,IIED
c
lxlEn
FOSmON
2
uqvns^L
!g:I
{l
rroDl,.tr ll
u
coNTnoL
{
t2t
CaRRIER
ot oo