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