Cisco Systems MGX 8800, MGX 8900 MGX 8850 and MGX 8850/B System Hardware Components

1-23
Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter1 Product Overviews
Cisco MGX 8850 and MGX 8850/B Switches
Figure 1-8 shows module slot assignments (rear view) for the Cisco MGX 8850 (PXM4 5) or MGX
8850/B (PXM45) switch.
Figure1-8 Cisco MGX 8850 (PXM45) Switch Slot Assignments—Rear View
MGX 8850 and MGX 8850/B System Hardware Components
Each Cisco MGX 8850 or MGX 8850/B switch supports the following hardware components:
•AC power supply tray (optional)—with power supply modules
•Air intake plenum
•APS connector—for line redundancy (optional)
•DC power entry module (PEM)
•Exhaust plenum
•Lower and upper fan trays
•1:N Redundancy Connector (RCON)—MGX 8850/B only (optional)
P
X
M
-
H
D
P
X
M
-
H
D
S
R
M
b
a
c
k
c
a
r
d
S
R
M
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d
e
r
v
i
c
e
m
o
d
u
l
e
b
a
c
k
c
a
r
d