3Com DUA3700-0BAA04 manual REDUNDANCY IN THE 7 COREBUILDER 7000 FAMILY ATM SWITCH

REDUNDANCY IN THE

7 COREBUILDER 7000 FAMILY ATM

SWITCH

This chapter describes redundancy in the CoreBuilderTM 7000 family ATM switch. The operation of each redundant device is described. For information on installing redundant devices, see Chapter 4.

This chapter includes the following topics:

Redundant Power Supply

Redundant Switching Module

Redundant Power Supply

Types of Power

Supplies

This section discusses the following topics:

Types of power supplies available

Power requirements of the CoreBuilder 7000 family switching and

￿interface cards

Using redundant switching cards and redundant power supplies.

The CoreBuilder 7000 family supports three kinds of power supplies: an AC unit rated at 90A, and two DC units rated at 90A and 40A. You can use each one of them in any CoreBuilder 7000 family ATM switch. The power supply supports two output channels: one 5V DC channel which supplies the CoreBuilder switch and the interfaces cards, and one 12V DC channel which supplies the fans.

The CoreBuilder 7000 family power supplies are shown in Table 7-1.

Table 7-1CoreBuilder 7000 Family Power Supplies

		3Com
Power Supply	Current	Number
CoreBuilder 7000/7000HD AC Power Supply	90A	3C37010A
CoreBuilder 7000/7000HD DC Power Supply	90A	3C37027