Cisco 7609-S Installation Manual page 39

Chapter 2 Preparing for Installation
Table 2-4 Sample Calculation
Model Number/
Module Type
Cisco 7609 Internet Router
chassis (with fans)
WS-X6K-S2U-MSFC2
WS-C6500-SFM
Switch Fabric Module
OSM-4OC12-POS-MM
4-port OC-12 module
OSM-8OC3-POS-MM
8-port OC-3 module
Total
OL-5079-04
Table 2-4 provides a sample calculation of power and heat dissipation for the
following switch configuration:
Cisco 7609 Internet Router chassis (including AC-input power supplies)
•
• Two WS-X6K-S2U-MSFC2 supervisor engines
One Switch Fabric Module
•
Two 4-port OC-12 POS modules
•
Two 8-port OC-3 POS modules
•
AC-Input DC-Output
Power Power
(Watts) (Watts)
124 50
322 258
146 117
502 402
374 300
1468 1127
Heat Diss. 90 VAC 120 VAC
(BTU/HR) (Amps) (Amps)
422 1.37 1.03
1098 3.58 2.68
500 1.63 1.22
1714 5.58 4.18
1280 4.16 3.12
5014 16.32 12.23
Cisco 7609 Internet Router Installation Guide
Site Requirements
Input Current
180 VAC 240 VAC
(Amps) (Amps)
0.69 0.52
1.78 1.34
0.81 0.61
2.78 2.10
2.08 1.56
8.14 6.13
2-7