Cisco CRS-1 System Description page 32

Modular Configuration DC Power
Table 4: DC Power System Specifications
DC Power Component
Power Shelf
Power Redundancy
DC Input
Ground Lug
The following figure shows the 8-slot chassis power routing distribution for a modular DC configuration.
Figure 12: CRS 8-Slot Chassis Power Distribution- Modular DC Configuration
Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router System Description
22
Cisco CRS 8-Slot Line Card Chassis Enhanced Router Power Systems
Specifications
Two DC power shelves
DC Power Shelf: Supports up to four DC power modules
Two DC Power Shelves each containing up to four DC power modules—2N
redundancy
Required input current is as follows:
• 50 amps at –48 VDC nominal input voltage.
• 40 amps at –60 VDC nominal input voltage
• 60 amps at low input voltage (–40 VDC)
Required lugs: 45° angled industry standard 2-hole compression lugs with holes on
5/8- inch centers (for example, for AWG no. 2 wire: Panduit part number
LCC2-14AH-Q or equivalent).
Industry standard 2-hole compression lug with holes on 5/8- inch centers (Panduit
part number LCD6-14A-L, or equivalent)