Telkom SHDSL release date?

hmmm how did you get into the secure area ? this seems like a secure document ... rather be careful what you do with it? :P
 
@wajason: I just did a search on their website for shdsl. Tender request documents are normally a matter of public record, so I don't see a problem with it.
 
@Kaspaas: I don't think so. I think their PSTN license is technology neutral and would allow them to use any access technology (except wireless which would require frequency allocation to be authorised by Icasa).

I also found this presentation by Reuben September detailing their technology vision. It seems similar to the presentation that they gave at the MyAdsl conference and in here they also mention SHDSL:
http://www.telkom.co.za/pls/portal/...DOCS/CCF TECHNOLOGY ROADMAP REUBEN V06WEB.PDF
 
In order to get a maximum loop reach, SHDSL uses the base band of the frequency spectrum on the line. Thus, line sharing is not possible. However, SHDSL supports POTS transport in-band with means of either VoDSL or Channelized VoDSL.

So this means SHDSL will either require a second line, or they will have to implement a VoDSL(Voice over DSL) system.

And regarding the speeds...

With single-pair operation, SHDSL offers 192 kbps to 2.3 Mbps. Data rates are defined in increments of 8 kbps. With dual-pair operation (4-wire mode), SHDSL offers 384 kbps to 4.6 Mbps. Data rates are defined in increments of 16kbps. The line rate on both pairs must be the same.
 
So SHDSL isn't quite DSL? Two questions

1) Why would Telkom implement this as opposed to ADSL2

2) How many FIRST WORLD COUNTRIES (if any other countries) have at some stage enabled this?
 
wait if adsl is better why would they want this instead of adsl,2,2+ ?
 
Dovi said:
So SHDSL isn't quite DSL?
Click to expand...

Not understanding, DSL = Digital Subscribers Line/loop , Why would you say that it is not DSL?
 
@Dovi: ADSL is asymmetric, ie the max download speed is faster than the max upload speed. SHDSL is symmetric and are therefore suited for business use where max upload speed is also important eg web hosting. Telkom's plan is for SHDSL to eventually replace Diginet.
 
shdsl cant be scaled lower then the 2meg from telkom (i might be wrong). usually what happens is the martis node is fed with and shdsl line (2mb line). the service is then configured to 64kbit/s for eg if you want that sort of diginet service. so if you have a digninet circuit it is actually a 2mb link that they have scaled down. and yes they do want to replace diginet with SHDSL (it was HDSL before)
 
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adsl limits are 8meg ... adsl2 can go up to 24meg (i think). depends on how far you from the exchange though ( i might be wrong with those limits). and ADSL+ allowed for greater distance from the exchange ( i might be wrong with all of this ... memory is failing me)
 
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Do you know what the distance limits from exchange are. I am about 4 km from exchange and am thinking of buying a new house in the same area and same distance, but would like to be able upgrade in future!
 
adsl2 to get the full 24mb i think the limits were 2.5km, but adsl2 she is not available yet in sa

you should be fine with 4km radius from exchange.

and i dont think we have adsl+ as well
 
OK Thank you. Was recently in Singapore and China and at hotel you can register for ADSL at 2MB for 300 rand per week or 24 rand for 24 hours with no limit (uncapped). Became spoilt and 512 here does not cut it for me. I actually doubt i am getting 512 and of course the cap!!!!!
 
ive got 512, get about 55kbit/s avg on http downloads. guys with 384 line get about 50kbit 192kbit about 30kbit/s and 1024 i think just about 100kbit/s ( i think). so id rather go for the 384kbit/s value for money wise, like for someone to back me up on these statements. and yes sa sucks big time when it comes to pricing ... everything in sa she expensive
 
I've also get about 53kbits/sec, not sure this is good or bad. Have noticed on downloads tend to average about 55. Is this 512 ? At work have 1024 tend to avverage about 100kbits there!
 
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