Allied-telesis AT-8202 Instrukcja Użytkownika Pobierz pdf (Strona 72)

ATM/TEST Command

2-44

ATM/TEST Command

Syntax and (alias)

ATM/TEST/LOOP

Description

This command runs the Loop test. After setting the test parameters,

enter 0 to save the parameters and run the test. After the test runs,

test results are displayed, and the test is automatically disabled. A

sample display of

ATM/TEST/LOOP is shown below, and parameters

are described in Table 2-25.

The PHY Diagnostics Loop test runs internally to the switch and tests

physical and receive functionality, as illustrated in Figure 2-3.

Figure 2-3 PHY Diagnostics Loop

/ATM/TEST >loop

ATM Port Loop Enable/Disable

1. Loop Type(Choices a - d): OAM F5 EndtoEnd Loop

2. Loop State:((a)-Enable, (b)-Disable):Enable

3. VCI Value (Required if OAM Loop): -1

Enter Selection, 0 to save the Modification or q to quit:

Table 2-25 ATM/TEST/LOOP Parameters

Parameter Description

1. Loop Type Speciﬁes the elements that are tested

Range:

a) PHY Diagnostics Loop (See Figure 2-3)

b) PHY Line Loop (See Figure 2-4)

c) OAM F5 EndtoEnd Loop (See Figure 2-5)

d) OAM F5 Segment Loop (See Figure 2-6)

Default: a) OAM F5 EndtoEnd Loop

2. Loop State Enables or disables the diagnostic loop

Range: Enable or Disable

Default: Enable

3. VCI Value Required for the OAM loop type of test

OC-3

FORMULA 8200 Switch

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Allied-telesis AT-8202 Instrukcja Użytkownika Strona 72