Westermo U200 Operator manal - Manual (Page 2)

V4.5
www.westermo.com
U/R/T200 series
- 2 -
1 INTRODUCTION ..................................................................................................................... - 4 -
1.1 T200......................................................................................................................................- 4 -
1.2 R200 .....................................................................................................................................- 4 -
1.3 U200 .....................................................................................................................................- 4 -
2 ABOUT WESTERMO ONTIME ............................................................................................ - 5 -
2.1 C OMPANY H ISTORY ..............................................................................................................- 5 -
2.2 M ISSION S TATEMENT ............................................................................................................- 5 -
2.3 C ORE T ECHNOLOGY ..............................................................................................................- 5 -
3 ETHERNET – INDUSTRIAL ETHERNET ........................................................................... - 6 -
3.1 H ISTORY OF E THERNET .........................................................................................................- 6 -
3.2 I NDUSTRIAL E THERNET – W HAT A RE T HE D IFFERENCES ? ....................................................- 6 -
3.3 S WITCHES VS . H UBS ..............................................................................................................- 7 -
4 SWITCH OPERATION............................................................................................................ - 9 -
4.1 I NTRODUCTION ......................................................................................................................- 9 -
4.2 E RROR D ETECTION ................................................................................................................- 9 -
4.3 F LOODING .............................................................................................................................- 9 -
4.4 MAC T ABLE AND P ACKET M EMORY ....................................................................................- 9 -
4.5 F ULL W IRE S PEED ...............................................................................................................- 10 -
4.6 T WISTED P AIR P ORT S PECIFICATION ...................................................................................- 10 -
4.6.1 Introduction ............................................................................................................... - 10 -
4.6.2 MDI/MDI-X ............................................................................................................... - 10 -
4.6.3 Straight Connection –Switch-PLC, Hub-PLC, Switch-NIC etc. ................................ - 10 -
4.6.4 Crossed Connection – Switch-Switch, Hub-Hub, Switch-Hub................................... - 10 -
4.6.5 Auto MDI/MDI-X....................................................................................................... - 11 -
4.6.6 Electrical Isolation .................................................................................................... - 11 -
4.6.7 Auto-Negotiation ....................................................................................................... - 11 -
4.7 F IBRE O PTIC P ORT S PECIFICATION ......................................................................................- 11 -
4.7.1 Fibre Optic Communications..................................................................................... - 11 -
4.7.2 Fibre Optic Parameters............................................................................................. - 12 -
5 POWER SUPPLY CONNECTOR......................................................................................... - 13 -
5.1 R EDUNDANT POWER INPUTS ................................................................................................- 13 -
5.2 F AULT C ONTACT .................................................................................................................- 13 -
5.3 P OWER S UPPLY & F AULT C ONTACT C ONNECTION D IAGRAM .............................................- 14 -
6 DETERMINISTIC ETHERNET - QOS................................................................................ - 17 -
6.1 P RINCIPLES OF D ETERMINISTIC E THERNET .........................................................................- 17 -
6.2 L AYER 2 PRIORITY ...............................................................................................................- 17 -
6.3 L AYER 3 PRIORITY ...............................................................................................................- 18 -
6.4 F LOW CONTROL ...................................................................................................................- 18 -
6.5 H EAD OF L INE B LOCKING P REVENTION ..............................................................................- 18 -
7 FAST RE-CONFIGURATION OF NETWORK TOPOLOGY (FRNT) ........................... - 19 -
7.1 I NTRODUCTION ....................................................................................................................- 19 -
7.2 FRNT VERSION 0 ................................................................................................................- 19 -
7.2.1 FRNT version 0 principles......................................................................................... - 19 -
7.2.2 FRNT version 0, configuration rules ......................................................................... - 20 -
7.3 FRNT VERSION 1 ................................................................................................................- 20 -
7.3.1 FRNT version 1 principles......................................................................................... - 20 -
7.3.2 FRNT version 1, configuration rules ......................................................................... - 21 -