Schmid Watson Specifications download pdf (Page 11)

Revision: 2010-01-20

Table of Contents

1 Related Documents ......................................................................................................................... 1-1

2 Overview ........................................................................................................................................... 2-1

2.1 Introduction .............................................................................................................................. 2-1

2.2 Applications ............................................................................................................................. 2-1

3 Modem Features .............................................................................................................................. 3-1

3.1 DSL .......................................................................................................................................... 3-1

3.1.1 Linerates and DSL sync rates ...................................................................................... 3-1

3.1.2 Multipair operation ....................................................................................................... 3-2

3.1.3 Single-pair fallback ....................................................................................................... 3-3

3.1.4 Power Backoff .............................................................................................................. 3-4

3.1.5 Symmetric and Asymmetric PSDs ............................................................................... 3-4

3.1.6 DSL Performance Parameters..................................................................................... 3-4

3.1.7 Wetting Current ............................................................................................................ 3-6

3.1.8 Master / Slave .............................................................................................................. 3-7

3.1.9 DSL Clocking ............................................................................................................... 3-7

3.2 Ethernet (plug-in modem) ........................................................................................................ 3-7

3.2.1 Ethernet over DSL ....................................................................................................... 3-7

3.2.2 Ethernet Bridging ......................................................................................................... 3-8

3.2.3 MAC Defect Signaling .................................................................................................. 3-9

3.2.4 VLANs .......................................................................................................................... 3-9

3.2.5 VLAN Examples ........................................................................................................... 3-9

3.2.6 Individual and shared forwarding databases ............................................................. 3-11

3.2.7 Stacked VLANs .......................................................................................................... 3-13

3.2.8 Class of Service (CoS)............................................................................................... 3-14

3.2.9 Spanning Tree Protocol ............................................................................................. 3-16

3.3 Ethernet (tabletop modem) .................................................................................................... 3-19

3.3.1 Ethernet over DSL ..................................................................................................... 3-19

3.3.2 VLAN features ............................................................................................................ 3-19

3.3.3 Mixed mode operation ............................................................................................... 3-20

3.3.4 Cisco HDLC ............................................................................................................... 3-20

3.4 Firmware update .................................................................................................................... 3-21

3.4.1 Plug-in ........................................................................................................................ 3-21

3.4.2 Tabletop ..................................................................................................................... 3-21

3.5 Management .......................................................................................................................... 3-21

3.5.1 Management interfaces ............................................................................................. 3-21

3.5.2 Chain Management through the DSL EOC................................................................ 3-23

3.5.3 Management IP Address Configuration ..................................................................... 3-24

3.5.4 Management VLAN configuration .............................................................................. 3-25

3.5.5 Transparent bridging with inband management ........................................................ 3-25

3.6 G.826 Performance Monitoring ............................................................................................. 3-26

3.7 Test loops .............................................................................................................................. 3-26

3.8 Password protection .............................................................................................................. 3-27

4 Powering ........................................................................................................................................... 4-1

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Schmid Watson Specifications Page 11

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