Cisco Systems 7609 manual WS-X6K-S2U-MSFC2

Chapter 2 Preparing for Installation

Site Requirements

Table 2-4provides 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

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

	Cisco 7609 Internet Router Installation Guide
OL-5079-04		2-7