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Power Consumption for a DC-Powered JCS1200 Platform

Table 1 lists the power requirements for base DC-powered routers operating under typical voltage conditions and includes nonredundant and redundant power supply configurations.

Table 1: DC-Powered Base JCS1200 Platform Power Requirements

DC Power Supply Configuration

Power Requirement (Watts)

DC Input at 88% Efficiency

Current Requirement (Amps @ –48 VDC)

4 DC power supplies, 4 fan modules, 1 management module, 1 media tray, 1 switch module, 1 midplane, 1 MUX card, 1 alarm panel module, (nonredundant configuration)

735 W

835 W (approximate)

17.4 A (approximate)

4 DC power supplies, 4 fan modules, 1 management module, 1 media tray, 1 switch module, 1 midplane, 1 MUX card, 1 alarm panel module, 12 Routing Engines (nonredundant configuration)

4095 W

4653 W (approximate)

96.9 A (approximate)

4 DC power supplies, 4 fan modules, 2 management modules, 2 media trays, 2 switch modules, 1 midplane, 1 MUX card, 1 alarm panel module, (redundant configuration)

1015 W

1153 W (approximate)

24.0 A (approximate)

4 DC power supplies, 4 fan modules, 2 management modules, 2 media trays, 2 switch modules, 1 midplane, 1 MUX card, 1 alarm panel module, 12 Routing Engines (redundant configuration)

4375 W

4972 W (approximate)

103.6 A (approximate)

Table 2 lists the lists the power requirements for various hardware components when the platform is operating under typical voltage conditions.

Table 2: DC-Powered JCS1200 Platform Component Power Requirements

Item

Power Requirement (Watts)

DC Input at 88% Efficiency

Current Requirement (Amps @ –48 VDC)

Alarm panel module

10 W

11 W (approximate)

0.2 A (approximate)

Fan module

85 W

97 W (approximate)

2.0 A (approximate)

Management module

20 W

23 W (approximate)

0.5 A (approximate)

Media tray

15 W

17 W (approximate)

0.4 A (approximate)

Midplane

10 W

11 W (approximate)

0.2 A (approximate)

MUX card

15 W

17 W (approximate)

0.4 A (approximate)

Power module

36 W

41 W (approximate)

0.9 A (approximate)

Routing Engine

280 W

318 W (approximate)

6.6 A (approximate)

Switch module

45 W

51 W (approximate)

1.1 A (approximate)

Published: 2009-08-06