Requirements for third party racks with vertical PDUs (inward-facing)
If using a inward-facing PDU within a third party rack, refer to the diagram below to
ensure that the rack and PDU combination are sufficient for the array.
Figure 33 Requirements for third party rack with inward-facing, vertical PDUs
Rack with inward-facing non-EMC PDU, Top View
Rack
Post
Rear NEMA
Front NEMA
Front NEMA
Rear NEMA
F
ro
n
t
—
F
ron
t
D
oor
—
Rack
Post
Rack
Post
Rack
Post
Space required by enclosures
engine rails, and cable
management arms
PD
U
pw
pd
a
b
(24” (60.96 cm) min)
d
2.5” (6.35 cm)
(min)
(f
)
1
9
”
(4
8
.2
6
c
m
)+
(2
g
)
mi
n
e
—
R
e
a
r
D
oor
—
R
e
a
r
1
9
”
N
E
MA
(4
8
.2
6
cm)
cb
g
PD
U
c
(h) 43” (109.2 cm) min
Min depth
Rack depth = a+b+c
Dim Label
Description
a
= distance between front surface of rack post and NEMA rail.
b
= distance between NEMA rails.
(24" (60.96 cm) recommended, up to 34" (86.36 cm) allowed.)
c
= distance between rear NEMA to exterior, rear surface of rack.
cb
(Cable Bend) = 4" minimum (10.156 cm)
d
If a front door exists, = distance between inner-front surface of the front door and the front NEMA
rail.
e
= distance between rear surface of rack post to inner surface of rear door.
f
= rack width: 19" (48.26cm) + (2g)
(Min requirement for inward-facing vertical PDU)
g
≥ pd (PDU Depth) + cb (Cable Bend)
Third Party Racking Option for VMAX 450F, VMAX 850F and VMAX 950F
102
Site Planning Guide
VMAX 250F, VMAX 450F, VMAX 850F, VMAX 950F with HYPERMAX OS
