Canoga Perkins 2240 User Manual download pdf (Page 11)

2201 Rack Chassis/2200R Redundant Card Canoga Perkins

Figure 2-3.

FX-23 Extender

Bracket and 2201

Rack Chassis

2.1.2 2201 Power Supplies

The 2201 employs either one or two 250 Watt power supplies. They are available in

either 115, 230VAC or ±48VDC configurations.

The optional second power supply (in the B or Upper position) for the 2201 is redun-

dant with, or a backup for, the standard supply and is a duplicate in terms of power

output. When dual power supplies are employed, both supplies provide power to the

modem PC cards at the same time. This reduces the operating load on each supply. If

one power supply fails, the other will continue to power the system and an audible

and/or visual alarm will come on the Power Monitor Card.

2.1.3 2201 Chassis Ground Option

The chassis ground is provided by the AC inlet center pin or the DC input terminal,

labeled GROUND.

The power supply signal ground circuit can be tied together with the 2201 chassis

ground by applying a jumper plug at position W2 on the power distribution circuit

board (see Figure 2-4).

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Canoga Perkins 2240 User Manual Page 11