3-55
Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter 3
Preparing for Installation
Site Requirements for the MGX 8880 Media Gateway
Site Requirements for the MGX 8880 Media Gateway
This section describes requirements for the site where the MGX 8880 Media Gateway is to be installed.
Before you install the switch, ensure that all of the criteria in this section are met.
Table 3-22
summarizes the space, weight, and power requirements for the gateway. Specifications are
described in greater detail in the following sections:
•
Environmental Requirements, page 3-56
•
Power Requirements, page 3-62
Note
One rack unit (RU) is equal to 1.75 inches (4.45 cm).
Table 3-22
Space, Weight, and Power Specifications for the MGX 8880 Media Gateway
Specification
Description
Dimensions
Note
Racks must
have 17.75 in.
minimum
between
mounting rails.
DC-powered system
14 RUs
Height: 24.5 in. (62.23 cm)
Width: 19 in. (48.26 cm)
Depth: 21.5 in. (54.6 cm)—Excluding cable management and front door
AC-powered system
17 RUs
Height: 29.75 in. (75.57 cm)
Width: 19 in. (48.26 cm)
Depth: 21.5 in. (54.61 cm)—Excluding cable management and front door
Weight
DC-powered switch
AC-powered switch
Up to 190 lb. (86.26 kg)
Up to 250 lb. (113.5 kg)
Shipping weight for individual components
VXSM-4-155, VXSM-48T1E, and VXSM-6-T3 front cards: 7.5 lb. each
(3.4 kg)
VXSM-BC-4-155, VXSM-BC-24T1E1, VXSM-BC-3-T3, and
VXSM-R-BC back cards: 1 lb. each (.45 kg)
Card cage with cards: 160 lb. (72.64 kg)
Exhaust plenum: 8 lb (3.63 kg)
Fan tray: 9.5 lb (4.3 kg)
Air intake plenum: 8 lb (3.63 kg)
AC power supply tray with power supplies: 45 lb. (20.43 kg)
APS connector: 1 lb (0.45 kg)
Clearance requirement for the enclosure
Minimum 30 in. front and rear; 12 in. side clearance recommended