Alcatel Carrier Internetworking Solutions 3EC 16807 AAAA TCZZA ED. 07 Connection Diagnostics

3 Speed Touch USB Diagnostics

3.3.1Connection Diagnostics

Connection diagnostics By default the detailed	Diagnostics will appear with the
'Connection' tab selected:

Connection diagnostics fields

Field

VPI/VCI

Type

SDU Transmit

SDU Receive

Tx/Rx SDU Size

Description

The STUSB's ADSL PPPoA connections use Asynchronic Transfer Mode￿(ATM)'s virtual channels for accessing the ADSL line.

Virtual Path Identifier￿(VPI) /Virtual Channel Identifier￿(VCI) are 2 numbers that together uniquely identify a Virtual Channel￿(VC) and Virtual Path￿(VP) .

Indicates which method (VCMUX, or LLC) is used for encapsulating/decapsulating the PPP packets in/from the ATM Adaption Layer 5￿(AAL5).

Indicates the number of Service Data Unit￿(SDU)s which are transmitted; and received.

Indicates the size of the SDUs which are transmitted (Tx), and received (Rx).

3EC 16807 AAAA TCZZA Ed. 07 43 / 66