Alcatel SpeedTouch Speed Touch Home Asymmetric Digital Subscriber Line (ADSL) Modem Przewodnik Instalacji Pobierz pdf (Strona 43)

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3 Speed Touch USB Diagnostics

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3EC 16807 AAAA TCZZA Ed. 07

3.3.1 Connection Di agnostics

By default the detailed Diagnostics will appear with the

'Connection' tab selected:

Field Description

VPI/VCI 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) .

Typ e Indicates which method (VCMUX, or LLC) is used for

encapsulating/decapsulating the PPP packets in/from the ATM

Adaption Layer 5 (AAL5).

SDU Transmit

SDU Receive

Indicates the number of Service Data Unit (SDU)s which are

transmitted; and received.

Tx/Rx SDU

Size

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

received (Rx).

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Alcatel SpeedTouch Speed Touch Home Asymmetric Digital Subscriber Line (ADSL) Modem Przewodnik Instalacji Strona 43