7-8
Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Chapter
Rack-Mounting the MGX 8220 Units
Figure 7-3
Rack-Mounted MGX 8220—Three-Shelf, Four-Shelf, and Six-Shelf Configurations
17.750"
Minimum
17.750"
Minimum
1.75"
or
3.5"
1 or 2 U
5 1/4"
3 U
5 1/4"
3 U
5 1/4"
3 U
5 1/4"
3 U
8.75"
5 U
8.75"
5 U
8.75"
5 U
8.75"
5 U
8.75"
5 U
8.75"
5 U
8.75"
5 U
AC power module
(if used)
Main cooling
module
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
Plenum or spacer
AC power module
(if used)
Main cooling
module
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
Plenum or spacer
Booster cooling
module
Booster Cooling
Module
3.5"
2 U
3.5"
2 U
MGX 8220 shelf
MGX 8220 shelf
MGX 8220 shelf
MGX 8220 shelf
MGX 8220 shelf
MGX 8220 shelf
MGX 8220 shelf
17.750"
Minimum
3.5"
2 U
5 1/4"
3 U
5 1/4"
3 U
8.75"
5 U
8.75"
5 U
8.75"
5 U
8.75"
5 U
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AC power module
(if used)
Main cooling
module
5 1/4"
3 U
Main cooling
module
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
Exhaust plenum
3.5"
2 U
Exhaust plenum
Booster Cooling
Module
3.5"
2 U
57691
MGX 8220 shelf
MGX 8220 shelf
MGX 8220 shelf
MGX 8220 shelf
8.75"
5 U
8.75"
5 U
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
AXIS shelf
MGX 8220 shelf
MGX 8220 shelf