Table Of Contents

System Power Consumption

System Power Consumption

---

This appendix includes power consumption information for the Cisco Integrated Communications System (ICS) 7750 processor cards (Table A-1 through Table A-4) and for some sample system configurations (Table A-5 through Table A-8).

Table A-1 System Processing Engine 310 Card Power Consumption

Voltage	Watts	Current
5.1	17.0	3.33
3.3	9.9	3.00
12.2	0.6	0.05
-12.2	0.6	-0.05
Total Watts	28.1

Table A-2 System Switch Processor Card Power Consumption

Voltage	Watts	Current
5.1	0.50	0.99
3.3	14.85	4.50
12.2	Not applicable	Not applicable
-12.2	Not applicable	Not applicable
Total Watts	15.35

Table A-3 System Alarm Processor Card Power Consumption

Voltage	Watts	Current
5.1	5.0	0.99
3.3	Not applicable	Not applicable
12.2	0.6	0.05
-12.2	0.6	-0.05
Total Watts	6.2

Table A-4 Multiservice Route Processor Card Power Consumption

Voltage	Watts	Current
5.1	10.57	2.07
3.3	3.63	1.10
12.2	4.50	0.37
-12.2	0.30	-0.02
Total Watts	19.00

Table A-5 describes the minimum Cisco ICS 7750 hardware configuration and the power consumption for that configuration.

Table A-5 Minimum Hardware Power Consumption

Card	Power Consumption (Watts)
System processing engine 310	28.10
System switch processor	15.35
System alarm processor	6.20
Multiservice route processor	19.00
Cooling fans	18.72
Total Watts	87.37

Table A-6 describes the power available to other chassis slots in a minimum Cisco ICS 7750 hardware configuration.

Table A-6 Remaining Power in Minimum Configuration

Voltage	Used in Minimum Configuration	Total Available	Available per Slot
5.1	33.07	119.93	29.98
3.3	28.38	37.62	9.41
12.2	24.42	73.18	18.30
-12.2	1.50	10.70	2.68
Total	87.37	241.43	60.371

1 Combined power for each of the four remaining slots should not exceed allowable power for the system: 28.16W.

Table A-7 describes the power and current consumption for one possible maximum Cisco ICS 7750 hardware configuration.

Table A-7 Maximum Hardware Configuration—Example 1

Voltage	One SPE310 Card	One SSP Card	One SAP Card	Five MRP300 Cards	Cooling	Total Watts	Current
5.1	17.0	5.0	0.5	52.85		75.35	14.77
3.3	9.9	0	14.85	18.15		42.90	13.00
12.2	0.6	0.6	0	22.50	18.72	42.42	3.48
-12.2	0.6	0.6	0	1.50		2.70	0.22
Total	28.1	6.2	15.35	95.00	18.72	163.37

Table A-8 describes the power and current consumption for another possible maximum Cisco ICS 7750 hardware configuration.

Table A-8 Maximum Hardware Configuration—Example 2

Voltage	Five SPE310 Cards	One SSP Card	One SAP Card	One MRP300 Card	Cooling	Total Watts	Current
5.1	85.0	5	0.50	10.57		101.07	19.82
3.3	49.5	0	14.85	3.63		67.98	20.60
12.2	3.0	0.6	0	4.50	18.72	26.82	2.20
-12.2	3.0	0.6	0	0.30		3.90	0.32
Total	140.5	6.2	15.35	19.00	18.72	199.77