Environmental Specifications - Cisco CRS-1 System Description

CRS 8-Slot Line Card Chassis Enhanced Router Specifications
Description
Input current
AC Input, single-phase
Input voltage
Line frequency
Input current

Environmental Specifications

Table 21: 8-Slot Line Card Chassis Enhanced Router Environmental Specifications
specifications for the Cisco CRS 8-slot LCC enhanced router.
Table 21: 8-Slot Line Card Chassis Enhanced Router Environmental Specifications
Description
Temperature
Humidity
Altitude
Heat dissipation
External cooling requirements
Chassis airflow
Power system airflow
Sound power level (modular
configuration power)
Shock and vibration
1
2
Heat dissipation from the DC power system based on maximum output power capacity at 88% efficiency.
Heat dissipation from the AC power system based on maximum output power capacity at 92% efficiency.
Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router System Description
Value
50 A max at –48 VDC40 A max at –60 VDC60 A at –40 VDC (low
voltage extreme)
Single-phase 200 to 240 VAC (nominal)(range 180 to 264 VAC)
50 to 60 Hz (nominal)(range 47 to 63 Hz)
16 A International20 A North America
Value
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)
Operating: 5 to 85% noncondensingNonoperating: 5 to 90%
noncondensing, short-term operation
-196 to 5906 ft (-59.7408 m to 1800 m) at 122°F (50°C), short-termUp
to 13,123 ft (4000 m) at 104°F (40°C) or below
32,415 BTU per hour (modular configuration DC)
33,438 BTU per hour (modular configuration AC)
2.3 tons
Up to 1000 cubic feet (28,317 liters) per minute
Up to 240 cubic feet (6800 liters) per minute
77 dB—80°F (27°C) or lower (fan speed 3700 RPM)89 dB—104°F
(40°C) or higher (fan speed 6500 RPM)
Designed and tested to meet the NEBS shock and vibration standards
defined in GR-63-CORE (Issue 2, April 2002).
Environmental Specifications
lists the environmental
1
2
85