Verilink AS4000 (34-00244) Product Manual Manual do Utilizador descarregar pdf (Página 140)

Octal DS-1/E1

9-8 Verilink AS4000 User Manual

Figure 9-7 Octal DS-1/E1 Loops

NOTE:

The Payload Loop is different than the Line Loop in that it

only loops the data (payload), and the framing is

regenerated.

The field entry descriptions and how to access BERT, Loop, Expose,

Statistics, and Register screens are described on the following

pages.

The Diagnostics Manager fields are described in Figure 9-3.

Table 9-3 Diagnostics Manager Fields

Hot Keys

The following hot keys invoke additional screens and/or functions.

They are described on the following pages.

Link Name The name given by the user at the Configuration screen.

State Active (in service) - displays an OK or *ERROR* state; Inactive (out of service).

Errored Seconds This is an indication of the number of seconds with errors (i.e., something went

wrong on the line).

Link Loop Indicates what type of loopback is active on the link, if any.

Backplane Loop Loops a data connection from the link back to the link via the backplane. Since

this incorporates most of the card’s hardware and software, this is a useful test

to check card integrity. Note that a user connection must already be in place

prior to invoking this loopback.

Bert When On, indicates the selected pseudo-random bit error rate test pattern.

Test Duration Once the BERT test is started, the length of the test is measured (seconds).

Local Errors Displays the number of errors that occurred during the test.

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