2-6
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 2 Preparing for Installation
Site Requirements
• Ethernet service cards—Table 2-17
• Optical service modules (OSMs)—Table 2-18
• Miscellaneous cards—Table 2-19
Note Module power is the output from the power supply (internal to the system). The AC-input power is the
input from the outlet to the power supply. The percentage difference between the two values is the
efficiency of the power supply.
Note The module power values are based on 42 VDC. Power is distributed to each slot in the chassis from the
power supply’s 42
VDC output. Each module has DC-to-DC power supplies that convert the 42 VDC
into +2.5
VDC, +3.3 VDC, and +5 VDC to power the module. The 42 VDC is independent of the power
supply’s input voltage, either 110 VAC or 220 VAC .
Table 2-4 lists the power and the heat numbers for the supervisor engines.
Ta b l e 2-3 Power Requirements and Heat Dissipation—Chassis and Fan Trays
Model Number/
Module Type
Module
Current (A)
Module
Power
(Watts)
AC DC
AC-Input
Power
(Watts)
Heat Diss.
(BTU/HR)
DC-Input
Power
(Watts)
Heat Diss.
(BTU/HR)
Cisco 7603 chassis
FAN-MOD-3 fan tray 0.80 34.00 43.00 145.00 46.00 156.00
FAN-MOD-3HS fan tray 2.98 125.16 156.45 534.28 168.23 574.49
Cisco 7604 chassis
FAN-MOD-4HS fan tray 2.29 96 120 411 129 441
Cisco 7606 chassis
FAN-MOD-6 1.05 44 55 188 59 202
Cisco 7606 chassis
FAN-MOD-6HS 4.29 180 225 769 242 827
Cisco 7606 chassis
FAN-MOD-6SHS 7.40 311 389 1327 418 1427
Cisco 7609 chassis
with tiered-speed redundant fans 11.5 483 604 2062 649 2217
Cisco 7609-S chassis
FAN-MOD-9SHS 7.00 294.00 368.00 1255.00 395.00 1349.00
Cisco 7613 chassis
WS-C6K-13SLOT-FAN2 fan tray 7.10 298.20 372.75 1272.94 400.81 1368.75
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