Siemens Industrial Ethernet Switches SCALANCE X-200 User Manual Page 64
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3.12 SCALANCE XF206-1
SCALANCE X-200
64 Operating Instructions, 12/2011, A5E00349864-19
Autonegotiation
Autonegotiation means the automatic detection of the functionality of the port at the opposite
end. Using autonegotiation, repeaters or end devices can detect the functionality available at
the port of a partner device allowing automatic configuration of different types of device. With
autonegotiation, two components connected to a link segment can exchange parameters
and set themselves to match the supported communication functionality.
Note
If an IE switch port operating in autonegotiation mode is connected to a partner device that is
not operating in autonegotiation mode, the partner device must be set permanently to half
duplex mode.
If an IE switch port is set permanently to full duplex, the connected partner device must also
be set to full duplex.
If the autonegotiation function is disabled, the MDI/MDI-X autocrossover function is also
inactive. This means it may be necessary to use a crossover cable.
Note
The SCALANCE XF206-1 is a plug-and-play device that does not require settings to be
made for commissioning.
MDI / MDIX autocrossover function
The advantage of the MDI / MDIX autocrossover function is that straight-through cables can
be used throughout and external Ethernet crossover cables are unnecessary. This prevents
malfunctions resulting from mismatching send and receive wires. This makes installation
much easier for the user.
IE Switches X-200 support the MDI / MDIX autocrossover function.
NOTICE
Please note that a direct connection of two ports on the switch or an accidental connection
across several switches causes a forbidden loop. Such a loop can lead to network overload
and network failures.
Auto polarity exchange
If the pair of receiving cables are incorrectly connected (RD+ and RD- swapped over), the
polarity is reversed automatically.
- SCALANCE X-200 1
- SIMATIC NET 1
- Industrial Ethernet Switches 1
- SCALANCE X-200 1
- Postfach 48 48 2
- 90026 NÜRNBERG 2
- GERMANY 2
- Preface 3
- SCALANCE X-300 4
- SCALANCE X-400 modular 4
- What is possible? 4
- Preface 5
- Table of contents 10
- Table of contents 11
- Safety notices 13
- See also 15
- 2.1 Network topologies 17
- Star topology 18
- Ring topology 19
- 2.1 Network topologies 20
- 2.1 Network topologies 21
- Structure of a ring topology 23
- Media redundancy methods 24
- Media redundancy with IRT 24
- 2.4 MRP 25
- Topology 26
- 2.5 MRPD 27
- 2.6 HSR 28
- Coupling option 29
- 3.3 Unpacking and checking 34
- 3.4 SCALANCE XF204 35
- 3.5 SCALANCE X208 38
- 3.6 SCALANCE XF208 41
- 3.7 SCALANCE X216 44
- 3.8 SCALANCE X224 47
- Transmission speed 53
- 3.10 SCALANCE XF204-2 54
- 3.11 SCALANCE X206-1 58
- 3.12 SCALANCE XF206-1 62
- 3.13 SCALANCE X212-2 66
- 3.14 SCALANCE X204-2LD 70
- 3.15 SCALANCE X206-1LD 75
- 3.16 SCALANCE X212-2LD 80
- 3.17 SCALANCE X202-2IRT 85
- 3.18 SCALANCE X204IRT 89
- 3.19 SCALANCE XF204IRT 92
- 3.20 SCALANCE X204 IRT PRO 95
- Autonegotiation 100
- Auto polarity exchange 100
- Transmission medium 101
- Transmission range 101
- Connectors 101
- Transmission rate 101
- Transmission mode 101
- Possible attachments 102
- Connector pinout 103
- 3.23 SCALANCE X202-2P IRT 106
- 3.24 SCALANCE X201-3P IRT 110
- 3.25 SCALANCE X200-4P IRT 114
- Area of application 116
- How it works 116
- Compatible devices 116
- Diagnostics 117
- Inserting in the C-PLUG slot 117
- Removing the C-PLUG 118
- 3.27 Button 119
- 3.28 Displays 120
- 3.28.2 Power display 121
- Power display 122
- Product properties 123
- 3.28 Displays 123
- Product properties 124
- 3.28 Displays 124
- LED display during startup 127
- Installation 129
- 4.1 Installation 130
- Uninstalling 131
- 4.4 Wall mounting 133
- 4.4 Wall mounting 134
- Connection 135
- 5.1 Power supply 136
- Connection 137
- 5.1 Power supply 137
- 5.2 Signaling contact 140
- 5.2 Signaling contact 141
- 5.3 Grounding 142
- 6.1.1 Introduction 147
- Supported operating systems 148
- Procedure 148
- 6.1.2.3 The DLC protocol 149
- Checking 149
- SCALANCE X-200 150
- Removing a module 153
- Properties of DHCP 154
- RFC - Request for Comments 154
- Command Line Interface (CLI) 156
- Figure 6-5 LOGON screen 158
- 6.3.2 LED simulation 159
- 6.3.3 Working with WBM 159
- Buttons 160
- Shortcuts for commands 161
- Directory structure 161
- Cross-menu commands 162
- 6.3.5 WBM menus 163
- System Configuration 164
- C-PLUG Information 166
- System Save & Load HTTP 172
- System Save & Load TFTP 174
- System Version Numbers 177
- System Passwords 179
- System Select/Set Button 180
- System Event Log Table 180
- Fault Mask 183
- "Ring redundancy" 185
- Standby manager 190
- Agent Configuration 192
- User Name 203
- Agent Event Configuration 204
- Port Mirroring 211
- Switch Ports 213
- Switch Port Diagnostics 216
- Switch Forwarding Database 217
- Protocol (LLDP) per port 219
- Symbol Meaning 223
- POF port 224
- Loop Detection Configuration 226
- Loop Detection Control 228
- Loop Detection Port Control 228
- 1024-1518 233
- 6.3.6 SNMP 238
- 6.3.6.2 MIB variables 239
- Port Indexes 240
- Supported devices 243
- PROFINET IO functionality 245
- Linking in a GSDML file 247
- Assigning a device name 248
- 8.2 Settings in HW Config 249
- 8.2.2 Configuring MRP 250
- PROFINET IO functionality 251
- 8.2 Settings in HW Config 251
- Ring port 1 / ring port 2 252
- Diagnostics interrupts 252
- Partners 255
- Data record 0x802A 259
- BlockType 259
- BlockLength 259
- BlockVersionHigh 259
- BlockVersionLow 259
- PeerMACAddress 261
- MAUType 261
- DomainBoundary 261
- MulticastBoundary 262
- LinkState 262
- MediaType 262
- Approvals and markings 263
- EU declaration of conformity 264
- Approvals and markings 265
- )'$ 266
- Approvals 269
- Mechanical stability 273
- Technical specifications 275
- Technical specifications 277
- Accessories 285
- References 287
- Dimension drawings 289
- Dimension drawings 291
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