• I bought a Speedtouch from eBay. It will sync but not connect. Why?
• How do I do a hard reset of my Speedtouch Home or Pro modem?
• How do I find the sync rates and line stats for a SpeedTouch Home, Pro or 510v3?
• How do I interpret the Speedtouch Home/Pro/510v3 line stats?
• How do I display upstream line stats when Alcatool says they're unavailable?
• How do I find the sync rates and line stats for a Speedtouch 510v4?
• How do I interpret the line stats for a Speedtouch 510v4?
• Port 80 Forwarding & DHCP
• Becoming pingable
• How do I reset a forgotten password?
• What is the default username and password for the Home/Pro Modems

You need to change the VPI/VCI settings for your modem so it can communicate with your ISP. Even if the VPI/VCI settings are wrong, the modem will still sync. So don't be fooled. You can find out what settings you should be using by calling your ISP, or asking in one of the provider forums on this site.

Instrutions for accessing the modem configuration where you can change the VPI/VCI setting.

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by MacGyver
last modified: 2004-07-06 20:26:56

Turn the power off. Look at the back of the modem and you will see a Reset or Defaults hole. Get a ball-point pen and press the button in the hole while turning the modem on. Continue to hold the button in until ALL of the lights on the modem start to flash simultaneously.

This will reset the modem back to factory defaults, and may recover your modem after you have made a mistake in changing some of the settings and don't know how to change them back.

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by MacGyver
last modified: 2003-06-16 14:30:17

METHOD 1: Download the Alcatool software HERE. (Please note that the Alcatool software is not an Alcatel product, and use of it is at your own risk. Alcatool will NOT work with Speedtouch USB modems.)

If you have a router, temporarily bypass it for this test. Configure your computer to use the local IP address 10.0.0.2, subnet mask 255.255.255.0 with no gateway or DNS. Restart your computer to force the change to take effect. Then start Alcatool, enter the address 10.0.0.138 with no password and click connect. Press the "Line Stats" button the lower right corner then select "Line Info".

METHOD 2: Refer to this FAQ item

Both methods will yield the same result.

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by MacGyver
last modified: 2004-08-21 22:15:09

Operational data report : near end (Downstream)
-----------------------------------------------
Attainable line rate : 7516 kbit/sec Maximum theoretical download rate
Attainable Atm rate : 7040 kbit/sec Maximum actual download rate before TCP overhead
Used line rate : 3400 kbit/sec Current theoretical download rate
Fast used Atm rate : 3008 kbit/sec Current actual fastpath download rate before TCP overhead. If this number is zero, please see the next line.
Interleaved used Atm rate : 0 kbits/sec Current actual interleaved download rate before TCP overhead. If you see a number other than zero here, your line is interleaved.
Rel. capacity occupation : 45 Percentage of line capacity used. If this number is above 78%, your line in its current state does not qualify for any speed upgrades.
Noise Margin : 17 dB This is a measure of how good your data signal is relative to the noise on the line. This should be a high number and in any case no lower than around 6 dB. If it's this low you could find the modem gets data errors or even sync problems.
Line attenuation : 42 dB Measures how much signal loss there is on the line - this should be a low number and in any case should be no more than around 60-65 dB.
Output Power : 15 dBm Indicates how hard the modem is working to maintain the link. High numbers (around 19 or above) can indicate possible problems.

Explanations for upstream data is the same as above.

Any of these numbers near or at the limits described can cause the modem to lose sync and/or have high error rates resulting in poor internet performance. This is usually due to poor cabling, interference, or a line which is near or at the distance limit of where ISP can still provide ADSL from the DSLAM.

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by MacGyver
last modified: 2004-04-17 09:31:25

Press the "Reset Line" button while viewing the stats in Alcatool. After a short delay, the upload stats will be displayed.

Not all modem versions support displaying of upstream stats.

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by MacGyver
last modified: 2004-07-22 19:24:16

1. Make sure that you set your IP address to 10.0.0.2 and your subnet mask to 255.255.255.0 and default gateway to 10.0.0.138.
2. Start a DOS prompt or Command prompt.
3. Type telnet 10.0.0.138
4. Once you are logged in, issue the following command: adsl info

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by MacGyver
last modified: 2004-04-16 22:13:43

Channel Mode - If this line says "Fast", you are on fastpath. Otherwise your line is interleaved.

Margin - This is a measure (in dB) of how good your data signal is. Higher numbers are better. If this number drops below 6, you'll start to have sync problems.

Attenuation - Measures (in dB) how much signal loss there is on the line - this should be a low number and in any case should be no more than around 60-65 dB.

Available Bandwidth - Current sync rate in kilobits per second. This is NOT your maximum attainable sync rate.

-------------------
In the above sample results, the line potential is not revealed to the end user. However, we can examine the SNR Margin and Attenuation numbers. In this case, the downstream and upstream margins are 25 and 31, which are much greater than the minimum of 6. The downstream and upstream attenuation is 26 and 15, which are much lower than the maximum of 60-65. Therefore, this line would likely qualify for a speed upgrade. How much of an increase is possible cannot be known from this data, but these numbers are good indicators.

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by MacGyver
last modified: 2004-04-16 23:43:08

1) With a 510v5 I find that as soon as I forward port 80, either directly by editing the NAT through the web interface or by having a PC do it through uPNP lose contact with the modem. It still routes, works as a DHCP accepts uPNP request from uTorrent etc. but I can't access its web interface or Telnet CLI interface. This doesn't happen every time.

2) I find that DHCP does not work on a "new" internal IP address, e.g. adding 172.17.0.1 unless I first delete 10.0.0.138 before setting up the address pool. I.e. Add IP - Add Pool - Delete 10.0.0.138 never lets the DHCP work, whereas Add IP - Delete 10.0.0.138 - Add Pool does.

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by rturnock9 edited by MacGyver
last modified: 2006-01-28 17:07:17

If you are sure that the problem of being unpingable is not software related (software firewalls, etc.), then try the following:

This applies to firmware 4.3.2.0

1. Telnet to the Speedtouch: telnet 10.0.0.138

2. Login (the default username is: Administrator) with no password

3. Enter the following commands (one line at a time):
service system ifadd name=PING_RESPONDER group=wan
saveall

Source:
»speedtouch.net.nz/forum/topic.as···C_ID=383

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by sabb0ur edited by MacGyver
last modified: 2006-06-13 15:53:14

click here for instructions.

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by MacGyver

There are two passwords.

The first is the username and password used to protect the modem's web interface from unauthorized users. There isn't a default username and password set, so if one has been set, it's been done by you, somebody else, or the ISP who owns the modem. See here for password reset instructions.

The second is the EXPERT password, used for configuring advanced functions not available through the web interface. The EXPERT password is derived from the MAC address, and can be found by using this webpage. The EXPERT password is entered when accessing the modem's telnet command line interface.

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by MacGyver