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This appendix provides the specifications for the Cisco CRS Carrier Routing System 4-Slot Line Card Chassis. It contains the following sections:
Physical Dimensions |
|
---|---|
Height |
30 in. (76.2 cm) |
Depth |
30.28 in. (76.9 cm)(including front doors) |
Width |
17.65 in. (44.8 cm) |
Weight |
|
Chassis with fan tray, power shelf, and impedance carriers installed (as shipped) |
260 lb (117.9 kg), chassis only338 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) and forwarding processor (FP) 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 |
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) |
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 VDC40-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 |
Description |
Value |
---|---|
Temperature |
Operating, nominal: 41° to 104°F (5° to 40°C) Operating, short-term: 23° to 122°F (–5° to 50°C)2 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 |
|
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 chassis77 dBa—rear of chassis Fans at maximum speed (7500 RPM): 83 dBa—front of chassis93 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). |
For information about the compliance and safety standards with which the Cisco CRS carrier routing system conforms, see Cisco CRS 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. |