Cisco CRS 4-Slot Line Card Chassis System Specifications
This appendix provides the specifications for the Cisco CRS Carrier Routing System 4-Slot Line Card Chassis. It contains the following sections:
•Compliance and Safety Reference
•Cisco CRS 4-Slot Line Card Chassis Specifications
•Environmental Specifications
Compliance and Safety Reference
For information about the compliance and safety standards with which the Cisco CRS-1 router conforms, see Cisco CRS-1 Carrier Routing System Regulatory Compliance and Safety Information.
Note Statement 273, Blower Handle Warning, is applicable only to the Cisco CRS 4-slot line card chassis.
Cisco CRS 4-Slot Line Card Chassis Specifications
Table A-1 lists the specifications for the Cisco CRS Carrier Routing System 4-Slot Line Card Chassis.
Table A-1 Cisco CRS 4-Slot Line Card Chassis Specifications
|
|
Height |
30 in. (76.2 cm) |
Depth |
30.28 in. (76.9 cm) (including front doors) |
Width |
17.65 in. (44.8 cm) |
|
|
Chassis with fan tray, power shelf, and impedance carriers installed (as shipped) |
260 lb (117.9 kg), chassis only 338 lb (153.3 kg), chassis including packaging and pallet |
Chassis with all components installed (without exterior cosmetic components and packaging) |
361 lb (163.7 kg) |
Cards and Modules Supported
|
4 modular services cards (MSCs), forwarding processor (FP) cards, or label switch processor (LSP) cards (line cards) 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 processor (RP) cards or 2 performance route processor (PRP) cards 4 switch fabric cards 1 fan tray |
|
|
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) |
|
|
AC |
1:1—Requires two independent AC sources |
DC |
We recommend two independent -48 VDC power sources |
|
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 |
DC power lug torque ranges |
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) |
|
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 |
Environmental Specifications
Table A-2 lists the environmental specifications for the Cisco CRS 4-slot line card chassis.
Table A-2 Cisco CRS-1 4-Slot Line Card Chassis Environmental Specifications
|
|
Temperature |
Operating, nominal: 41° to 104°F (5° to 40°C) Operating, short-term: 23° to 122°F (-5° to 50°C)1 Nonoperating: -40° to 158°F (-40° to 70°C) |
Humidity |
Operating: 5% to 85% noncondensing Nonoperating: 5% to 90% noncondensing, short-term operation |
Altitude |
-197 to 5906 ft (-60 to 1800 m) at 122°F (50°C), short-term Up to 10,000 ft (3048 m) at 104°F (40°C) or below |
Heat dissipation |
•AC: 14,280 BTU per hour (maximum) •DC: 14,597 BTU per hour (maximum) |
Power density |
12,406 W per sq. meter (maximum) |
Average air exhaust temperature |
129°F (54°C)—At room temperatures of 95 to 102°F (35 to 39°C) 149°F (65°C)—Maximum exhaust temperature on a fully loaded system during worst-case operating conditions (50°C and 6000 ft altitude) |
Acoustic noise |
Fans at normal to moderate speed: 67 dBa—front of chassis 77 dBa—rear of chassis Fans at maximum speed (7500 RPM): 83 dBa—front of chassis 93 dBa—rear of chassis |
Shock and vibration |
Designed and tested to meet the NEBS shock and vibration standards defined in GR-63-CORE (Issue 2, April 2002). |