Power over Ethernet Components
Installing and Managing Power over Ethernet (PoE)
page 3-6
OmniSwitch 7700/7800 Hardware Users Guide
April 2005
Power over Ethernet Components
OS7-IP-SHELF PoE Power Shelf
The OS7-IP-SHELF unit is the chassis’ peripheral power shelf, which provides the electrical current used
for PoE ports. The OS7-IP-SHELF contains up to four 52V hot-swappable power supplies.
The OS7-IP-SHELF must be properly connected to the chassis and fully operational for PoE to function.
For information on setting up the OS7-IP-SHELF, refer to the sections below.
OS7-IP-SHELF PoE Power Shelf
OS7-IP-SHELF Chassis Specifications
Chassis Width (rack-mount flanges not included)
17 3/8 inches, approx.
Overall Width (including rack-mount flanges)
19 1/8 inches
Height
5 3/16 inches, approx.
Height (rack units)
3 RU
Chassis Depth (power supplies not installed)
15 3/16 inches, approx.
Chassis Depth (power supplies installed; cords not included)
15 3/4 inches, approx.
Ambient Temperature
0 to +70 deg C, operating;
-40 to +85 deg C, non-operating
Humidity
5% to 90% Relative Humidity
(Operating)
0% to 95% Relative Humidity
(Storage)
Altitude
10000 feet at +32 deg C, operat-
ing; 50000 feet, non-operating
TM
OS7-IP-SHELF
1
2
3
4
AC
OK
DC
OV
ER
TE
MP
OK
CA
UT
IO
N: T
HIS UNIT MA
Y BE EQ
UIPPED
W
ITH MUL
TIP
LE PO
W
ER SUPPL
Y CO
RDS
.
TO
R
EDUCE THE
RISK O
F ELEC
TRIC
SHOCK, DIS
CONNECT A
LL
P
OW
ER SU
PP
LY
CORD
S BEFO
RE SE
RVICIN
G UNI
T.
AT
TE
NT
IO
N: C
ET APP
AREIL PEUT
CO
MP
OR
TER
P
LU
S D'UN
CORDON
D'ALIMENT
ATION.
AFIN DE P
REVENIR LE
S
CHOC
S ELEC
TR
IQ
UE
S,
D
EBR
ANCHEZ
TOU
S
LES CORDONS
D'ALIMENT
AT
ION
AV
ANT DE F
AIR
E
LA
REP
ARA
TIO
N.
!
AC
OK
DC
OV
ER
TE
MP
OK
CA
UT
IO
N: T
HIS U
NIT M
AY
B
E EQ
UIPPED
W
ITH M
UL
TIPL
E P
OW
ER SU
PPL
Y CO
RDS
.
TO
RED
UCE THE
RISK O
F ELECTRIC
SHOCK, DIS
CONNE
CT ALL
PO
W
ER SU
PPL
Y
COR
DS B
EFO
RE SE
RVICING
UNI
T.
AT
TE
NT
IO
N: C
ET A
PP
AREIL PEUT
COM
PO
RT
ER
PLU
S D'UN
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DO
N
D'ALIMENT
ATION.
AFIN D
E P
REV
ENIR
LE
S
CHOCS ELEC
TRIQ
UE
S,
DEBRA
NCHEZ
TO
US
LES C
ORDONS
D'ALIME
NT
ATION
AV
ANT DE F
AIRE
LA RE
PA
RA
TION.
!
AC
OK
DC
OV
ER
TE
MP
OK
CA
UT
IO
N: T
HIS UNIT M
AY
BE EQ
UIPPED
WITH MU
LT
IPLE P
OW
ER
S
UPPL
Y COR
DS
.
TO
RE
DUCE THE
RISK OF ELEC
TRIC
SHOC
K, DISC
ONNE
CT ALL
PO
WER SUPP
LY
CORDS
BEFO
RE SER
VICIN
G UNI
T.
AT
TE
NT
IO
N: C
ET
A
PP
AREIL P
EUT
COMPOR
TER
PLUS D'U
N
CORD
ON
D'A
LIMENT
ATION.
AFIN DE P
REVENIR LE
S
CH
OCS EL
EC
TRIQ
UES
, DEBRANCHEZ
TO
US
LES COR
DONS
D'ALIMENT
ATION
AV
ANT DE
FA
IRE
LA REP
ARA
TIO
N.
!
AC
OK
DC
OV
ER
TE
MP
OK
CA
UT
IO
N:
THIS
UN
IT MA
Y B
E EQ
UIPPE
D
WITH
M
UL
TIPL
E PO
W
ER SUPPL
Y CO
RDS
.
TO
REDUCE
TH
E
RISK OF E
LECTR
IC
SHOCK, DISC
ONNECT ALL
PO
W
ER SU
PPL
Y
CO
RDS
BEFO
RE SE
RV
ICING UNI
T.
AT
TE
NT
IO
N: C
ET APP
ARE
IL PEUT
CO
MPOR
TER
PLUS D'UN
CORDO
N
D'A
LIM
ENT
ATION
. AFIN DE P
REVE
NIR
LE
S
CHO
CS E
LEC
TRIQ
UES
, DE
BRANCHEZ
TO
US
LES CO
RDO
NS
D'A
LIM
ENT
ATION
AV
ANT DE F
AIRE
LA
REP
ARA
TIO
N.
!
