14
Use two screws for each side (supplied with the rack, not with the router).
Tip Start the lower pair of screws first, and rest the brackets on the lower screws while you insert the upper pair of screws.
Attaching the Cable Management Bracket
The optional cable management bracket provides attachment points for organizing and routing cables. Attach the cable
management bracket to the left or right rack-mount bracket using the screw provided. You can attach the cable management
bracket to either the upper or the lower threaded hole. See Figure 9 for attachment locations.
Figure 9 Attaching the Cable Management Bracket to the Cisco 3825 Router
Grounding the Chassis
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of
a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if
you are uncertain that suitable grounding is available.
Statement 1024
Warning
During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly touch the
backplane with your hand or any metal tool, or you could shock yourself.
Statement 94
You must connect the chassis to a reliable earth ground; the ground wire must be installed in accordance with local electrical
safety standards. For NEBS-compliant grounding, use size 6 AWG (13 mm
2
) copper wire and the ground lug provided in the
accessory kit.
Note This equipment is suitable for installation in Network Telecommunications Facilities and locations where the NEC
applies. The equipment is suitable for installation as part of the Common Bonding Network (CBN).
To connect the chassis to a reliable earth ground, perform the following steps:
Step 1 Strip one end of the ground wire to the length required for the ground lug or terminal (about 0.75 in. [20 mm] for the
NEBS ground lug).
Step 2 Crimp the ground wire to the ground lug, using a crimp tool of the appropriate size.
117775
EN
N
MD-
E
SW
-
36
2
3
x
5
x
F
a
s
tE
th
e
rn
et P
o
rts
2
2
x
4
x
2
1
x3
x
2
0
x
2
x
1
9
x
1
x
1
8
x
0
x
2
9
x
1
1
x
2
8
x
1
0
x
2
7
x
9
x
2
6
x8
x
2
5
x1
7
2
4
x
6
x
3
5
x
1
7
x
3
4
x
1
6
x
3
3
x1
5
x
3
2
x
1
4
x
3
1
x
1
3
x
3
0
x
1
2
x
Ext
Pwr
-48V
0x
18x
GE0
10/100/
1000
Base-Tx
35x
10/100/1000
Base-Tx
GE1
17x
E
N
N
M
-
E
S
W
-
1
6
15x
7x
14x
6x
1
3x
5x
FastEthernet Ports
12x
4x
11x
3
x
10
x2x
9x
1x
8x
0
x
E
x
t
P
w
r
-48V
0x
8x
7x
15x
G
E
10/100/
1000
Base-Tx
Cable management bracket.
Either edge may go up. Attach
to either side of the chassis.
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