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1553-CNH 160 0787 Uen PA2 2005-09-23 iii
Contents
1 Introduction to this Guide 1
1.1 Conventions 1
1.2 Revision History 2
1.2.1 This Revision 2
1.2.2 Version G 2
1.2.3 Version F 2
1.2.4 Version E 3
1.2.5 Version D 3
1.2.6 Version C 3
1.2.7 Version B 4
1.2.8 Version A 4
2 Introduction to the ECN 5
2.1 Topology of the EAN 6
2.2 Management of EAN 8
3 ECN Functions, Features and HW 9
3.1 Switching Unit Architecture and Features 10
3.1.1 Connections 10
3.1.2 Performance 11
3.1.3 PoE Ports 12
3.1.4 1000BASE-T RJ-45 and SFP Ports 13
3.2 Reserved VLANs, Interfaces and Ports Designation 15
3.3 LEDs User Interface 16
3.4 Power Supply Input Connector 18
3.5 Fan Tray 18
4 Maintenance 20
4.1 Replacing ECN 20
4.2 Replacing a Fuse 20
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