Speedtouch
330 Diagnostic GuideThe Speedtouch 330 modem
diagnostic tool is very valuable when troubleshooting any
difficulties that may arise with your Jetstream connection. The
Speedtouch diagnostic tool will automatically be installed along
with the modem drivers when the modem is first installed.
The full Speedtouch 330 Diagnostic Guide can be downloaded by
clicking here.
The Speedtouch Diagnostic tool can be found in the Windows System
tray in the bottom right corner of the screen, next to the clock.
Alternatively it can be found by going to Start - Programs -
Speedtouch USB.

Modem Status:
| Diagnostic Indicator |
Modem/Connection Status |
 |
 |
Your SpeedTouch USB/330 is not
(properly) connected to your PC, or malfunctioning. |
 |
 |
Your SpeedTouch USB/330 is
connected to your PC, and the modem software is loaded, but
your ADSL link is not synchronised (yet). |
 |
 |
The SpeedTouch is connected,
and has established ADSL link synchronisation. |
Connection Statistics:
The Speedtouch USB Diagnostic tool (as below) can give statistics
on the connection type currently configured, the USB and ADSL
connection speeds, as well as errors on the line and product info.
To view all of the tabs as below you must click on the down arrow on
the top right corner of the diagnostic window.

Connection Tab:
NZ settings a listed below in brackets
VPI - Virtual Path Identifier (0 - zero)
VCI - Virtual Channel Identifier (100)
Type - Connection Type (PPPoA - Jetstream / PPPoE - Tempest)
Encapsulation - Encapsulation Type (VC-MUX - Jetstream / LC-SNAP
- Tempest)
SDU Transmit - The number of Service Data Units that are
transmitted
SDU Receive - The number of Service Data Units that are
received
Tx SDU Size - The Size of the SDUs that are transmitted
(1500)
Rx SDU Size - The Size of the SDUs that are received (1500)
USB Tab:
USB Transmit/Receive - Indicates the number of times the
modem had to retry the transmission/reception of data to/from your
computer due to USB bus failures (delays, congestion or
reflections).
USB Transfer Mode - Indicates the USB transfer mode on the
USB bus, either isochronous
or Bulk.
USB Bandwidth - Indicates the available bandwidth in Kb/s on
the USB bus.
ADSL Tab:
Line Rate Transmit/Receive - Indicates the maximum ATM
transmit and receive rates in Kilo bits per second (Kbps) on the
ADSL line.
Modem Type - Indicates whether the SpeedTouch ADSL/POTS or
SpeedTouch ADSL/ISDN USB modem is used.
Modem Mode - Indicates the ADSL/POTS or ADSL/ISDN standard
applied on the ADSL line.
Errors:
Loss of Signal - Indicates how many times the ADSL signal
was interrupted.
Loss of Link - Indicates how many times the ADSL connection
was down.
Loss of framing - Indicates how many times the bit
synchronisation was lost over the ADSL link.
Errored seconds - Indicates how many seconds the ADSL link
was not functioning correctly, i.e. loss of link, signal, and/or
frame occurred.
ATM Tab:
Bandwidth Transmit/Receive - Indicates the maximum
transmit/receive service your Service Provider offers for your
current subscription.
Cell Count:
Transmitted - Indicates the number of all ATM cells sent
through the ATM layer towards the ADSL line.
Received - Indicates the number of ATM cells received and
passed through the ATM Layer.
Loopback - Indicates the number of ATM cells sent by the
Service Provider (e.g. for maintenance).
Invalid - Indicates the number of ATM cells that are dropped
because they do not belong to the current information flow or are
incorrect.
OAM Tab:
OAM F5 State - Flagged Alarm Indication Signal (AIS),
Remote Defect Indication (RDI), and/or Continuity Check (CC) up and
downstream boxes, indicate reception, and/or occurrence of these
Operations And Management (OAM) situations.
F5 Cell Count Loopback - Indicates the number of
sent/received Operations And Management (OAM) F5 loopback, and/or
continuity check cells.
AAL5 Tab:
SDU Transmit/Receive - Indicates the number of SDUs,
which are transmitted and received.
CRC Errors - Indicates the number of times a Cyclic
Redundancy Check (CRC) on the received AAL5 frames was negative.
SDU Length Errors - Indicates the number of times the length
of a received SDU was incorrect.
SAR Timeouts - Indicates the number of times the Segmentation
And Reassembly (SAR) of the received AAL5 frames failed, because
their time-out expired.
Version Tab:
Hardware Version - Unique to Product
Serial Number - Unique to Product
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