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AuroraPresto—User Guide
DTE
Ethernet or
ATMF 25.6
AuroraPresto
testing at the DTE
AuroraPresto
Ethernet or ATMF 25.6 interface
4-12
• ATM layer throughput
These can be caused for example, by:
- problems with remote modem buffering
- incompatible ATM multiplexer ratios
- incorrect ATM or IP addressing.
• ATMF 25.6 interface configuration
This can be caused by faulty PC or NIC
interconnecting cabling.
The following diagram shows the point where you
AuroraPresto
should connect
Modem
(ATU-R)
(copper pair)
operating at the DTE on the
For key see
diagram
Simulating a DTE or Modem to Network
You can configure
R and use it as a troubleshooting tool during ADSL
service line provisioning and testing over a known
good copper pair line. Once the ADSL line is
synchronised with the remote ATU-C,
(simulating an ATU-R) can be used to check the ATM
virtual channels on the ADSL access line.
If the customer uses a DTE with an internal ADSL
modem (NIC Card),
of the DTE/ATU-R to terminate the access line on
ADSL/ATM line level as well as on the network end-
to-end IP protocol level.
to simulate a DTE.
ATU-C
ADSL Line
ATU-C
CO
ATU-C
DSLAM
on page 4-10.
AuroraPresto
to simulate an ATU-
AuroraPresto
can be used instead
ATM
AuroraPresto
481801
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