Cisco Systems 100/200/300/400 Manual De Usuario

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Cisco Content Delivery Engine 100/200/300/400 Hardware Installation Guide
OL-13478-03
Chapter 2      Preparing to Install the Content Delivery Engines
Site Requirements
  •
When removing or installing a component, use any available handles, ejector levers, or captive 
installation screws. These devices prevent accidental removal, provide proper grounding for the 
system, and help to ensure that bus connectors are properly seated. 
Caution
For safety, periodically check the resistance value of the antistatic strap. The measurement should be 
between 1 and 10 megohm (Mohm).
Environmental, Physical, and Power Specifications 
The CDEs are tested to the environmental specifications indicated in 
. All testing is performed 
per procedures defined in Bellcore GR-63-CORE NEBS Physical Protection and the Bellcore 
GR-1089-CORE EMC and Electrical Safety — Generic Criteria for Network Telecommunications 
Equipment
 provides the physical dimensions of the CDEs.
Table 2-1
Environmental Specifications Summary 
Environment 
Specification 
Temperature, operating
0 to 50°C (32 to 122° F) 
Temperature, 
non-operating
–40°C to 70°C (–104°F to 158°F)
Altitude
60 to 4000 m
Humidity, non-operating
5 to 95%, noncondensing at temperatures of 23°C (73°F) to 40°C (104°F)
Table 2-2
Physical Dimensions 
Height
CDE100 
CDE200 
CDE300 
CDE400 
 
1.75 inches (4.45 cm)
 
3.50 inches (8.90 cm)
 
4.75 inches (12.1 cm)
 
7.00 inches (17.8 cm)
Width
CDE100
CDE200
CDE300
CDE400
 
19.00 inches (48.26 cm)
 
17.50 inches (44.45 cm)
 
17.25 inches (43.8 cm)
 
17.25 inches (43.8 cm)
Depth
CDE100
CDE200
CDE300
CDE400
 
27.6 inches (70.10 cm)
 
28.5 inches (72.39 cm)
 
27.5 inches (69.9 cm)
 
26.5 inches (67.3 cm)
Front clearance
2.0 inches (7.6 cm)
Side clearance
1.0 inches (2.5 cm)
Rear clearance
3.6 inches (9.2 cm)