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Cisco MGX 8240 Hardware User’s Guide
Release 3.0, Part Number 78-10728-01, July 2000
Chapter 2 Description
Figure 2-1 MGX 8240 Front View
Physical Interfaces & Specifications
This section describes the types of physical interfaces supported by the MGX 8240.
Table 2-1 lists the switch physical interfaces under different conditions.
Table 2-1 Switch Physical Interfaces Supported
Physical Interface
Number of Ports Supported
No Redundancy
1 for 4 Redundancy
Support Each PSM Blade
DS3 Access Port 45 36 3
DS1 ports under DS3 1,260 1,008 84
DS0 ports under DS3 30,240 24,192 2,016
SONET ATM Trunk Ports 15 (30 with APS) 12 (24 with APS) 1 (2 with APS)