Avaya P333T-PWR – Recommended Power Supply Redundancy Scheme
2
Table 1 below shows the configuration options available when using an external DC
power supply.
Note:
Avaya recommends that you avoid setting the output voltage of the external
power supply in the range of 48 to 50 VDC
Figure 1
Avaya P333T-PWR External Inline DC Input Terminal Block
•
The terminals are marked “+” and “-“.
•
The size of the two screws in the terminal block is M4; the pitch between each
screw is 9.5mm.
Table 1
External Inline DC Power Supply Configurations
DC voltage
Functions
50-57 VDC
• Provides Inline power (up to 405W of
inline power can be supplied to the
P333T-PWR)
• Provides backup to the internal Inline
power supply
44-48 VDC
• Provides backup to the internal Inline
power supply
• Inline power is supplied from the
P333T-PWR internal Inline power
supply (up to 200W)
INP
+
--
Amax
15A
Vin
44-57V
AT
T'E
NT
ION
Risq
ue
de
cho
c e
t de
dan
ger
ele
ctriqu
es.L
e d
ebra
nch
em
ent
d'u
ne
seu
le a
lim
ent
atio
n s
tab
ilise
e
ne
deb
ran
che
uniq
uem
ent
qu'u
n
mo
dule
"Alim
ent
atio
n S
tbilise
e".
Pou
r is
ole
r co
mp
lete
me
nt l
e
mo
dule
en
cau
se,il
fau
t
deb
ran
che
r to
ute
s le
s
alim
ent
atio
ns
sta
bilise
es.
AC
HT
UN
G
Ga
fah
r de
s e
lek
trisc
hen
Sch
ock
s.E
ntfe
rne
n d
es
Ne
tzs
tec
kers
ein
es
Ne
tzte
ils
legt
nur
die
ses
Ne
tzte
il
spa
nnu
ngsfre
i.U
m a
lle
Ein
heite
n s
pan
nun
gsfre
i zu
ma
che
n,sin
d d
ie
Ne
tzs
teck
er a
ller
Ne
tzte
ile
zu
ent
fern
en.
CU
TIO
N
Ris
k o
f ele
ctric
sho
ck.
and
ene
rgy
haz
ard
.
Dis
con
nec
tion
of o
ne
pow
er s
upp
ly
dis
con
nec
ts o
ne
pow
er
sup
ply
mo
dule
only
.To
iso
late
the
unit
com
ple
tely
dic
onn
ect
all
pow
er s
upp
lies
.
Screw M4
