Juniper JUNOS - NETWORK OPERATION GUIDE REV1

JUNOS Internet Software Network Operations Guide: Hardware
112 ! Understanding the Router Chassis
Figure 29 shows the front and rear of the M40e Internet router chassis and the
installed components.
Figure 29: M40e Router Chassis and Components
Craft interface
Front support posts
Center rack-mounting ear
CIP
ESD point
Cable
management
system
Air filter
R
P
C
G
0
S
F
M
0
S
F
M
1
M
C
S
0
R
E
0
R
E
1
M
C
S
1
P
C
G
1
PCGs
Routing Engines
MCS 0
MCS 1
SFMs
Do not install an SFM in this slot
D
o
n
o
t in
s
ta
ll a
n
S
F
M
in
th
is
s
lo
t
1270
Circuit
breakers
Grounding
points
Power supplies
FPCs
RearFront