Differences between version 4 and previous revision of DSL.
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| Newer page: | version 4 | Last edited on Friday, March 12, 2004 6:33:51 pm | by DanielLawson | Revert |
| Older page: | version 2 | Last edited on Friday, March 12, 2004 6:22:48 pm | by DanielLawson | Revert |
@@ -1,8 +1,15 @@
[Acronym] for __D__igital __S__ubscriber __L__ine
There are several types of DSL around, although only [ADSL] is readily available in New Zealand.
-[ADSL]
-
-
-
+| |
[ADSL]|
[VDSL]|
[HDSL]|
[SDSL]
+|Bits/second| 1.5 to 9Mbps downstream, 16 to 640 kbps upstream | 1.544 or 2.048 MBps | 1.544 or 2.048 Mbps | 13 to 52 Mbps downstream, 1.5 to 2.3 Mbps upstream
+|Mode|Asymmetric|Symmetric|Symmetric|Asymmetric
+|Copper Pairs|1|2|1|1
+|Range (24-guage UTP)|3.7 to 5.5 km|3.7km|3.0km|1.4km
+|Signaling|Analog|Digital|Digital|Analog
+|Line code|CAP/DMT|2B1Q|2B1Q|DMT
+|Frequency|1 to 5 MHz|196kHz|196kHz|10MHz
+|Bits/cycle|Varies|4|4|Varies
+
+-- Taken from "Data and Computer Communications" - William Stalling
