Cisco 4948 - Catalyst Switch Guía de instalación Pagina 23
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Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Chapter 1 Product Overview
Physical and Environmental Specifications
Physical and Environmental Specifications
Table 1-2 lists the Catalyst 4948E and Catalyst 4948E-F switch chassis environmental and physical
specifications.
Ta b l e 1-2 Catalyst 4948E and Catalyst 4948E-F Switch Specifications
Item Specification
Environmental
Temperature, operating Certified for operation: 32° to 104°F (0° to 40°C)
Designed and tested for operation: 32° to 131°F (0° to 55°C)
Temperature, nonoperating
and storage
Chassis unpackaged: –4° to 149°F (–20° to 65°C)
Chassis in protective shipping package: –40° to 158°F (–40° to 70°C)
Thermal transition 0.5°C per minute (hot to cold)
0.33°C per minute (cold to hot)
Humidity (RH), ambient
(noncondensing) operating
Operating: 5% to 90%
Nonoperating and storage: 5% to 95%
Altitude, operating Certified for operation: 0 to 6500 ft (0 to 2000 m)
Designed and tested for operation: –200 to 10,000 ft (–60 to 3000 m)
Heat Dissipation 1364 BTU/hour (worst case)
Shock and vibration Refer to Appendix D, “Regulatory Compliance and Safety Information” for
shock and vibration compliance information for the switch.
Acoustic noise Refer to Appendix D, “Regulatory Compliance and Safety Information” for
acoustic noise compliance information for the switch.
Physical Characteristics
Dimensions (H x W x D) • 1.75 x 17.5 x 19.4 in. (4.4 x 44.4 x 49.3 cm).
• Chassis requires 1 RU.
• The Catalyst 4948E and the Catalyst 4948E-F switch chassis are
designed to install in standard 19-inch equipment racks that meet
ANSI/EIA
310-D, IEC 60297, and ETS 300-119 standards.
Weight • 14 lb (6.35 kg). Base system; no power supplies and no fan tray.
• 19 lb (8.62 kg). Fully loaded system; two power supplies and a fan tray.
Airflow • 28 CFM (low speed)
• 44 CFM (high speed)
- Switch Installation Guide 1
- CONTENTS 3
- Contents 4
- Audience 9
- Organization 9
- Related Documentation 10
- Command Syntax Conventions 10
- Attention 12
- Avvertenza 12
- Advarsel 12
- ¡Advertencia! 13
- Varning! 13
- Product Overview 17
- (Catalyst 18
- 4948E Switch Shown) 18
- Features 19
- Features 20
- Fan Tray 24
- Fan Tray 25
- Front Panel LEDs 27
- Front Panel LEDs 28
- Preparing for Installation 29
- Site Requirements 30
- Temperature 31
- Air Flow 32
- Humidity 33
- Altitude 33
- Dust and Particulates 33
- Corrosion 34
- Power Source Interruptions 35
- System Grounding 35
- System Grounding 36
- Power Requirements 39
- Power Requirements 40
- Cabling Requirements 41
- Site Preparation Checklist 41
- Installing the Switch 43
- Warnings 44
- Verifying Package Contents 46
- Required Tools 46
- Rack-Mounting the Chassis 47
- Rack-Mounting the Chassis 48
- Duct Kit 51
- Installing the System Ground 52
- 3 System ground wire 53
- Statement 1019 54
- • Ground 57
- • (–) negative 57
- • (+) positive 57
- Powering Up the Switch 63
- Powering Up the Switch 64
- Statement 1030 65
- Removing the Fan Tray 74
- Installing the Fan Tray 75
- Power Supply Specifications 77
- 3 AC power cord receptacle 78
- Plug: CEI 23-16/7 86
- Cordset rating: 10 A, 250 V 86
- Length: 8 ft 2 in. (2.5 m) 86
- Connector: IEC 60320 C15 86
- Connector: 86
- Plug: BS 1363 87
- Adapter Specifications 91
- Receive optical bore 92
- Transmit optical bore 92
- Bail clasp 92
- Dust plug 92
- CWDM SFP Transceivers 95
- DWDM SFP Transceivers 97
- 10-GB SFP+ Transceivers 99
- OL-21561-02 100
- Console Port 101
- Ethernet Management Port 102
- Cables and Adapters 102
- Pin 1 and pin 8 103
- Cables and Adapters 104
- APPENDIX 105
- Getting Started 106
- Identifying Startup Problems 106
- LED Readings 107
- Contacting Customer Service 108
- Translated Safety Warnings 110
- Translated Safety Warnings 111
- Waarschuwing 113
- Varoitus 113
- 2006/95/EC and 2004/108/EC 151
- Numerics 157
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