2-5
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 2 Preparing for Installation
Site Requirements
Heat dissipation is an important consideration for sizing the air-conditioning requirements for an
installation. The power and heat associated with a Cisco
7600 series router varies based upon these
considerations:
• Power supply type
• Module types and quantities
• Average traffic levels
Unless otherwise noted, the information in Table 2-3 through Table 2-19 assumes worst-case conditions
(with GBICs and port adapters installed, if applicable), so typical numbers are approximately 30 percent
below the numbers listed here. See
Table 2-20 for a sample calculation of a router configuration.
This section provides the power and heat numbers for the Cisco 7600 series chassis and modules. The
following power requirements and heat dissipation tables are provided:
• Chassis and fan trays—Table 2-3
• Supervisor engines—Table 2-4
• Policy Feature Cards (PFCs)—Table 2-5
• Distributed Forwarding Cards (DFCs)—Table 2-6
• Switch fabric modules—Table 2-7
• 10-Gigabit Ethernet modules—Table 2-8
• Gigabit Ethernet modules—Table 2-9
• 10/100/1000 Ethernet modules—Table 2-10
• Fast Ethernet switching modules—Table 2-11
• 10/100 Ethernet switching modules—Table 2-12
• 10BASE Ethernet switching modules—Table 2-13
• FlexWAN and Enhanced FlexWAN modules—Table 2-14
• Service modules—Table 2-15
• SPA Interface Processors (SIPs)—Table 2-16
Ta b l e 2-2 Chassis Airfow Requirements
Chassis Model
Airflow
Intake
Airflow
Exhaust
Air Filter
Option
Minimum
Clearance
(walls)
Minimum
Horizontal
Separation
CISCO7603 (Figure 1-13) Right side Left side No 6 in (15 cm) 12 in (30.5)
CISCO7603-S (Figure 1-14) Right side Left side No 6 in (15 cm) 12 in (30.5)
CISCO7604 (Figure 1-15) Right side Left side No 6 in (15 cm) 12 in (30.5)
CISCO7606 (Figure 1-16) Right side Left side
1
1. See Installing the Air Filter Assembly on a Cisco 7606 Router and the Cisco 7606-S Router (Optional), page 5-126.
Yes 6 in (15 cm) 12 in (30.5)
CISCO7606-S (Figure 1-17) Right side Left side
1
Yes 6 in (15 cm) 12 in (30.5)
CISCO7609 (Figure 1-18) Front Rear
2
2. Installing the Air Filter Assembly on a Cisco 7609 Router and the Cisco 7609-S Router (Optional), page 5-127
Yes 6 in (15 cm) 12 in (30.5)
CISCO7609-S (Figure 1-18) Front Rear
2
Yes 6 in (15 cm) 12 in (30.5)
CISCO7613 (Figure 1-19) Right side Left side No 6 in (15 cm) 12 in (30.5)
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