Table 3-1 Space, Weight, And Power Specifications For The Cisco Mgx 8850 Or Mgx 8850/B System; Environmental Requirements - Cisco MGX MGX 8800 Hardware Installation Manual
Cisco systems switches installation guide
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Chapter 3
Preparing for Installation
Table 3-1
Space, Weight, and Power Specifications for the Cisco MGX 8850 or MGX 8850/B System
Specification
Dimensions
Racks must
Note
have 17.75 in.
minimum
between
mounting rails.
Weight
Shipping weight for individual components
Clearance requirement for the enclosure
Power input voltage
AC system current requirements
DC system current requirements
Environmental Requirements
Proper operation of an MGX 8850 or MGX 8850/B switch depends on a proper environment. This
section describes environmental requirements for the site where you intend to install the switch.
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Description
DC-powered system
17 RUs
Height: 29.75 in. (75.56 cm)
Width: 19 in. (48.26 cm)
Depth: 21.5 in. (54.6 cm)—Excluding cable management and front door
AC-powered system
20 RUs
Height: 35 in. (88.9 cm)
Width: 19 in. (48.26 cm)
Depth: 21.5 in. (54.61 cm)—Excluding cable management and front door
DC-powered switch
Up to 190 lb. (86.26 kg)
AC-powered switch
Up to 250 lb. (113.5 kg)
Front and back cards: 6.0 lb. (2.72 kg) per card set
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)
Minimum 30 in. front and rear; 12 in. side clearance recommended
Note
Configuration-dependent: Use
general planning purposes: 14.4 A at a nominal voltage of 200 VAC. At
the minimum voltage limit of 180 VAC, the current draw is a maximum
of 16 A.
Configuration-dependent: Use
general planning purposes: 50 A at nominal –48 VDC; 57.1 A at
–42 VDC maximum.
Site Requirements for the MGX 8850 or MGX 8850/B Switch
AC source: Requires 220 VAC. Normal operating range is 200 to
•
240 VAC, 47 to 63 Hz. The maximum voltage range is 180 to
254 VAC.
The AC power source must be within 6 feet (1.8 meters) of the
system and easily accessible.
•
DC source: –42 to –56 VDC.
Cisco MGX 8800/8900 Series Hardware Installation Guide
Table 3-6
for exact requirements. For
Table 3-6
for exact requirements. For
3-11
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