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10 Networking Services - ATM
10.1.2
ATM and the STWireless
End to end ATM
connectivity
STWireless vs. remote
destination
ATM provision
STWireless default
PVCs
180 / 362
The following figure provides an overview of the end to end
architecture of the ATM connectivity; from your STWireless to the
remote access devices.
Internet
ISP Access Point
Corporate Access Point
Remote LAN
Practically speaking, a number of VCs to one, or multiple remote
destination(s) can start from/are terminated at the STWireless.
By default, a number of channels are terminated in the
STWireless.
End to end ATM connectivity is the responsibility of local
operators. There might be regional differences in the type and
number of ATM channels that are cross connected.
If problems are encountered, check with your local operator for
more information.
See Appendix E for the specific default VPI/VCI values.
ATM Cross connect
ATM Cross connect
ADSL Line
This channel is not cross connected
Hence no end to end connectivity!
Symbolizes a cross connection.
Multiple ATM
virtual channels
Ethernet
3EC 17766 AAAA TCZZA Ed. 01
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