Cisco 4948 Series Arkusz danych - Strona 12
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Power Supply
The Cisco Catalyst 4948 10 Gigabit Ethernet Switch offers a choice of 300-watt (W) AC or DC power supplies. The
switch can operate with one power supply present. When two power supplies are installed, the switch shares the
power load between the two supplies (Table 4).
Table 4.
Specification
Input Current
2A at 240V
Output Current
Weight
Heat Dissipation
Average Power use
Switch Dimensions
Width: 17.290 in. (43.9166 cm)
●
Depth: 16.14 in. (40.9956 cm)
●
Height: 1.712 in. (4.445 cm)
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Weight: 16.5 lb (7.48 kg) with one power supply
●
Software Requirements
The Cisco Catalyst 4948 10 Gigabit Ethernet Switch is supported only in Cisco IOS Software and is not supported in
the Cisco Catalyst Operating System Software. The minimum software version is Cisco IOS Software Release
12.2(25)EWA or later.
For the latest software release information and recommendations, please reference the product bulletin at
http://www.cisco.com/en/US/products/ps6021/prod_bulletins_list.html.
Environmental Conditions
Operating temperature: 32 to 104ºF (0 to 40ºC)
●
Storage temperature: –40 to 167ºF (–40 to 75ºC)
●
Relative humidity: 10 to 90 percent, noncondensing
●
Operating altitude: –60 to 2000m
●
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
AC and DC Power Supply Specifications
300W AC
4A at 100V
8A at –48 to –60V
25A at 12 VDC
Weight: 2.0 kg
1023 BTU/hr
212 Watts
300W DC
8A @ -40.5 to -75VDC
–
25A @ 12 VDC
Weight: 2.0 kg
1023 BTU/hr
212 Watts
Data Sheet
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