Schmid Watson Specifications Page 18

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Watson 5 Ethernet
Operating Manual
W5-Ethernet-Manual.doc
Version 2.0-01
2-2 Revision: 2006-04-27
tabletop housing (for linerates up to 22.8 Mbps) is installed. Traffic from each customer is available
at a dedicated Ethernet interface in the central office. Alternatively traffic from several customers
can be aggregated to a single Ethernet port. Advanced VLAN functions allow for customer isolation
and traffic management.
Watson 5 Ethernet modems can also be deployed back-to-back as shown in Figure 2-2:
Watson 5
Ethernet
G.SHDSL
G.SHDSL.bis
1 to 4 pairs
Watson 5
Ethernet
Figure 2-2: Campus Networks
For these applications either two tabletop modems or two plugin modems (in an appropriate hous-
ing) are connected back to back with one of the modems being configured as DSL master and the
other one as DSL slave. Depending on the distance and the number of wire pairs available linerates
up to 22.8 MBit/s are available. VLAN and MAC Address filtering functions allow for traffic man-
agement and optimal use of the available DSL bandwidth.
Deployment in linear networks is supported with the Watson 5 Ethernet plugin card:
4 x Ethernet
10/100baseT
4 x Ethernet
10/100baseT
G.SHDSL
G.SHDSL.bis
G.SHDSL
G.SHDSL.bis
G.SHDSL
G.SHDSL.bis
4 x Ethernet
10/100baseT
Figure 2-3: Linear Ethernet Network
In Figure 2-3 several sites (e.g. stations along a pipeline or a power line) are connected with single
or two pair DSL systems. In each site a single Watson 5 Ethernet plugin card terminates the DSL
links coming from "East" and "West" sides and gives four local Ethernet interfaces e.g. to connect
local station control equipment. Traffic from the local interfaces can be aggregated with traffic on
the DSL and can be sent to either direction along the line. Traffic streams are kept separate through
VLANs, and Class of Service/Priority functions allow for traffic management.
The entire chain can be managed from a centralized site through inband management.
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