C H A P T E R 2
Description
Physical Description
The MGX 8240 shelf is a multi-slot chassis, supporting multiple PSM cards and their associated interface I/O assemblies. The shelf is designed as an integrated unit containing the following:
•16-slot card cage (15 slots usable for PSMs; 1 divided slot for IMC or common equipment card).
•Single 16-slot mid-plane.
•Three independent, hot-swappable fan trays (any two of which can adequately cool the fully loaded chassis).
•Removable air filter.
•-48 VDC Power Input Module with dual redundant power entries.
•Individual face plates on each PSM Module for Airflow and Electro-Magnetic Interference (EMI) Sealing, as well as Alarm and Connector Identification.
•Removable Cable Management System.
The shelf is designed for center mounting only. It is NEBS compliant with the GR-63-CORE and GR-1089-CORE requirements.
Cisco MGX 8240 Hardware User’s Guide
Release 3.0, Part Number 78-10728-01, July 2000
