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Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter3 Preparing for Installation
Site Requirements for the MGX 8880 Media Gateway
Air intake plenum
AC power supply tray (optional)
Figure3-11 MGX 8880 Media Gateway Components
The MGX 8880 Media Gateway and components fit in either a 19-inch (48.26 cm) wide rack or a 23 -inch
(58.42 cm) wide rack (with extenders installed).
Plan so that the rack accommodates your needs:
The DC Media Gateway is 14 RUs (24.5 in. or 62.23 cm), and three gateways can fit in a seven-foot
rack (see Tabl e 3-2 4).
The Media Gateway with the optional AC power tray is 17 RUs (29.75 in. or 75.57 cm) as described
in Table 3 -25.
116506
12345678
9101
11213141
516
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
CISCO MGX 8880
Exhaust plenum/
fan tray
3.5 in.
Switch
17.5 in.
Air intake plenum
3.5 in.
AC power tray
(optional)
5.25 in.
2 RU
10 RU
2 RU
3 RU
Table3-24 MGX 8880 (14 RU) Rack Space Requirements (“Three in a Rack”)
Component Rack Space Height Depth
Exhaust plenum with fan tray 2 RUs 3.50 in. (8.89 cm) 21.5 in. (54.61 cm)
MGX 8880 Media Gateway 10 RUs 17.5 in. (44.45 cm) 21.5 in. (54.61 cm)
Air intake plenum with DC power supply 2 RUs 3.50 in. (8.89 cm) 21.5 in. (54.61 cm)