Cisco Systems Cisco CRS-1 manual Shared port adapter SPA interface processors SIPs, each

Appendix A Cisco CRS-1 4-Slot Line Card Chassis System Specifications

Cisco CRS-1 4-Slot Line Card Chassis Specifications

Table A-1 Cisco CRS-1 4-Slot Line Card Chassis Specifications (continued)

		Chassis with all components	361 lb (163.7 kg)
		installed (without exterior
		cosmetic components and
		packaging)
		Cards and Modules Supported	4 modular services cards (MSCs)
			4 physical layer interface modules (PLIMs)
			or
			4 shared port adapter (SPA) interface processors (SIPs), each of
			which supports one or more SPAs
			2 route processors (RPs)
			4 switch fabric cards
			1 fan tray
		Power Shelves
		AC power shelf	Supports four AC-to-DC rectifiers
		DC power shelf	Supports four DC power supplies
		Maximum Power Consumption	Total input power
		Maximum AC input power	4185 W (assuming 92% efficiency)
		Maximum DC input power	4278 W (assuming 90% efficiency)
		DC power lug torque ranges
		Minimum torque	20 in-lb (2.2 N-m)
		Maximum torque	30 in-lb (3.3 N-m)
		Power Redundancy
		AC	1:1—Requires two independent AC sources
		DC	We recommend two independent -48 VDC power sources
		AC Input Power	2W+PE (2 wire + protective earthing1)
		Nominal input voltage	200 to 240 VAC
			(range: 180 to 264 VAC)
		Nominal line frequency	50 or 60 Hz
			(range: 47 to 63 Hz)
		Recommended AC service	20 A (per AC rectifier)
		DC Input Power
		Nominal input voltage	Supports -48 VDC and -60 VDC systems (range: –40 to –72 VDC)
		Input line current	50-A maximum at –48 VDC
			40-A maximum at –60 VDC
		Inrush current	60-A peak at 75 VDC
			(maximum for 1 ms)
		Chassis Cooling	1 fan tray, pull configuration
		Chassis airflow	Up to 880 cubic ft (24,919 liters) per minute
		Power shelf airflow	60 cubic ft (1699 liters) per minute
	Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide
A-2			OL-10971-07