Cisco Systems Cisco MGX 8950 manual Product Overview

C H A P T E R 2

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.

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.

The DC-powered version of the switch is shown in Figure 2-1.

Figure 2-1 MGX 8950 Switch (DC version)

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	Cisco MGX 8950 Hardware Installation Guide
Release 2.1, Part Number 78-11273-01 Rev. B0, March 2002		2-1