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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
(→Notes: up to date details of chipset. reference to Z1 shipping hw as opposed to ancient D1. document evil mfr defaults) |
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=== Setting options ===
(Referring to the DSL-320B-Z1.) In the router’s web admin user interface, see
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''Performance tip for long lines:'' If you have an extremely long phone line (>60 dB downstream attenuation) and you can use ADSL2+, it is worthwhile experimenting with setting the DSL mode/standard option to ‘ADSL 2’ (only) in the above list of options, that is, taking ADSL2+ out of the list of allowed standards, as opposed to allowing the modem to use ADSL2+, to see if this restriction gives a performance improvement. It will be a long process to get a meaningful comparison with take many restarts and many tests to confirm any possible performance difference between allowing and disallowing ADSL2+. If in any doubt enable ADSL2+ ie ADSL1/ADSL2/ADSL2+ ‘auto’ mode where the modem will use ADSL2+ (which can support much higher best-case speeds than ADSL2) if the exchange DSLAM or MSAN supports ADSL2+ too.
=== Rear view of obsolete ‑D1 modem ===
[[File:DLINK_320B-reset.jpg|500px]]▼
The image below is of the older generation of routers. The currently shipping (as of December 2017) DLink DSL-320B-Z1 modems, shipping since before 2015, are completely different in appearance and also in internal hardware and software.
<div title="Rear view of obsolete pre-Z1 modem showing blanked-off reset button">
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▲[[File:DLINK_320B-reset.jpg|500px]]
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[[Category:AA Routers|Dlink]]
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