Cisco Systems Cisco MGX 8950 Benutzerhandbuch
C H A P T E R
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Cisco MGX 8950 Hardware Installation Guide
Release 2.1, Part Number 78-11273-01 Rev. B0, March 2002
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Product Overview
This chapter provides an overview of the Cisco MGX 8950 switch. It describes the physical
characteristics, key features, and functionality of the switch.
characteristics, key features, and functionality of the switch.
The MGX 8950 is a high capacity ATM backbone switch that holds up to 12 ATM service module cards,
two processor module cards (PXM45/Bs) and four switching module cards (XM-60s). The switch can
be mounted in either a 19-inch or a 23-inch rack with industry standard EIA/Retma mounting hole
patterns. The system can accept power from either a –48 VDC (–42 + –56 VDC) DC source or an
optional 220 VAC (180–254 VAC) source.
two processor module cards (PXM45/Bs) and four switching module cards (XM-60s). The switch can
be mounted in either a 19-inch or a 23-inch rack with industry standard EIA/Retma mounting hole
patterns. The system can accept power from either a –48 VDC (–42 + –56 VDC) DC source or an
optional 220 VAC (180–254 VAC) source.
The DC-powered version of the switch is shown in
Figure 2-1
MGX 8950 Switch (DC version)
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