Alcatel-Lucent 1000 adsl User Manual
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ADSL Modem
Receive
Transmit
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Transmit
Receive
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MDI-X Port
Hub
Twisted-Pairs
MDI-X Port
Figure 23. MDI-X to MDI-X External Crossover
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The ATMF port, available on some ADSL models, is an ATMF-25 interface. The
interconnection between the ATM Forum equipment and the ADSL modem must
always be made with a straight-through cable (the ATMF-25 interface of the
modem is ATM network equipment and most ATMF-25 PC-NIC cards are ATM end
equipment).
A single PC with an ATM Forum card can be connected directly to the ATMF
interface of the ADSL modem (see figure 24).
ATM Network
Remote
Splitter
ADSL
Modem
ATMF
Figure 24. ADSL Modem with ATMF Interface
When the terminal equipment is correctly connected to the ADSL modem, the
visual indicator, marked ATMF-25, will be solid green. This indicates that the
wiring between the ADSL modem and the PC is correct. If not, check the cable
layout.