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Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide
OL-6256-17
Appendix A Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Specifications
Table A-2 lists the environmental specifications for the Cisco CRS 8-slot line card chassis.
Input current 50 A max @ –48 VDC
40 A max @ –60 VDC
60 A at –40 VDC (maximum)
AC Input, Delta 3-phase
3W + PE
Input voltage 3-phase 200 to 240 VAC (nominal)
(range 170 to 264 VAC, phase-to-phase)
Line frequency 50 to 60 Hz
(range 47 to 63 Hz)
Recommended AC service
(PDU rated for 24 A)
30 A
AC Input, Wye 3-phase
3W + N + PE
Input voltage 3-phase 200 to 240 VAC (nominal)
(range 170 to 264 VAC, phase-to-neutral)
(range 295 to 457 VAC, phase-to-phase)
Line frequency 50 to 60 Hz (nominal)
(range 47 to 63 Hz)
Recommended AC service
(PDU rated for 14 A)
16 A International
20 A North America
AC Input, Modular Configuration
Input voltage Single-phase 200 to 240 VAC (nominal)
(range 180 to 264 VAC)
Line frequency 50 to 60 Hz (nominal)
(range 47 to 63 Hz)
Recommended AC service 16 A
Table A-1 Cisco CRS 8-Slot Line Card Chassis Component and Power Specifications (continued)
Table A-2 Cisco CRS 8-Slot Routing System Environmental Specifications
Description Value
Temperature Operating, nominal: 41° to 104°F (5° to 40°C)
Operating, short-term: 23° to 122°F (–5° to 50°C)
Nonoperating: –40° to 158°F (–40° to 70°C)
Humidity Operating: 5 to 85% noncondensing
Nonoperating: 5 to 90% noncondensing, short-term operation
Altitude 1 to 5,906 ft (-60 to 1,800 m) at 122°F (50°C), short-term
Up to 13,123 ft (4,000 m) at 104°F (40°C) or below
Heat dissipation 27,350 BTUs/hr
External cooling
requirements
2.3 tons
Acoustic noise 74 dB at 3.28 ft. (1 meter) in front of chassis
(nominal reading at room temperature)