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Chapter 4 Installation in a Hazardous Environment
Wiring the External Alarm Device Relays
4-36
Catalyst 2955 Hardware Installation Guide
78-14944-03
Figure 4-15 shows the completed wiring for two external alarm devices on a
power and relay connector.
Figure 4-15 Completed Connections for Two External Alarm Devices on the
Power and Relay Connector
1 Power supply A positive
connection
5 External device 2, relay wire B
connection
2 Power supply A return
connection
6 External device 1, relay wire B
connection
3 External device 1, relay wire A
connection
7 Power supply B return
connection
4 External device 2, relay wire A
connection
8 Power supply B positive
connection
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- November 2004 1
- CONTENTS 5
- 2 Overview 2-1 6
- 3 Installation 3-1 6
- 5 Troubleshooting 5-1 9
- B Connectors and Cables B-1 9
- Contents 10
- 78-14944-03 10
- Duration of Hardware Warranty 14
- Duration of Software Warranty 14
- Audience 17
- Conventions 18
- Varoitus 19
- Attention 19
- Avvertenza 20
- Advarsel 20
- ¡Advertencia! 21
- Varning! 21
- Related Publications 26
- Obtaining Documentation 26
- Cisco.com 27
- Documentation DVD 27
- Ordering Documentation 27
- Documentation Feedback 28
- • 1 877 228-7302 29
- • 1 408 525-6532 29
- Submitting a Service Request 31
- CLI-Based Setup Program 35
- Taking Out What You Need 36
- Connecting to a Power Source 36
- IP Settings 41
- Completing the Setup Program 41
- Step 10 These choices appear: 44
- Overview 45
- Features 46
- Chapter 2 Overview 46
- Front-Panel Description 47
- 3 Power and relay connector 48
- Warning Labels 49
- 10/100/1000 Ports 51
- Power Status LEDs 56
- 10/100 Port Status LEDs 57
- Uplink Port Status LEDs 58
- Alarm Relay LEDs 60
- Rear-Panel Description 61
- Management Options 63
- • SNMP network management 64
- Installation 65
- Class A Warning for Hungary 72
- • One ferrite 74
- 1 Power and relay connector 90
- Connector 96
- Preparing the AC Power Cord 99
- Statement 42 100
- Chapter 3 Installation 101
- Statement 122 108
- 2 DIN rail 111
- 2 DIN rail clip assembly 117
- Statement 1006 121
- Class 1 LED product 129
- Statement 1027 129
- Statement 1051 131
- Statement 1012 131
- Where to Go Next 133
- Installation in a Hazardous 135
- Environment 135
- Preparing for Installation 136
- EMC Regulatory Statements 142
- VCCI Class A Notice for Japan 143
- Class A Warning for Korea 143
- European Zone 2 Certification 144
- Installation Guidelines 145
- Verifying Package Contents 146
- Verifying Switch Operation 148
- 1 Console cable 150
- Grounding the Switch 152
- Wiring the DC Power Source 155
- Power On the Switch 164
- Running POST 164
- Step 2 Disconnect the cables 166
- Troubleshooting 189
- Understanding POST Results 190
- Diagnosing Problems 191
- Technical Specifications 195
- Catalyst 2955S-12 Switches 196
- Connectors and Cables 201
- 10/100 and 10/100 /1000 Ports 202
- 100BASE-FX Ports 203
- 100BASE-LX Ports 203
- Power and Relay Connector 204
- Console Port 205
- 10/100 ports 206
- 10/100 Ports 207
- Cable and Adapter Pinouts 209
- Connecting to a Terminal 210
- Identifying a Crossover Cable 211
- Translated Safety Warnings 213
- Waarschuwing 219
- Switch Relays Warning 223
- “Open Type” Equipment 230
- Grounded Equipment 234
- Console Cable Connection 236
- Overtemperature Warning 239
- Twisted-pair Supply Wires 244
- Port Connection 247
- Installation Instructions 250
- Service Personnel Warning 251
- Stacking the Chassis Warning 253
- Ground Connection Warning 254
- Jewelry Removal Warning 257
- Product Disposal Warning 259
- Class 1 Laser Product 261
- Class 1 LED Product 262
- Laser Radiation 264
- Laser Viewing Warning 266
- Laser Beam Exposure 268
- Grounded Equipment Warning 278
- Qualified Personnel Warning 280
- Restricted Area 281
- Chassis Power Connection 284
- Exposed DC Power Wire Warning 287
- Numerics 289
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