Allied-telesis AT-8202 Instrukcja Użytkownika Pobierz pdf (Strona 73)

AT-8202 ATM Uplink User’s Guide

2-45

The PHY Line Loop test runs from an external device transmitting to

the switch, and loops signal back through the physical layer, as

illustrated in Figure 2-4.

Figure 2-4 PHY Line Loop

OAM F5 EndtoEnd Loop Test

The OAM F5 EndtoEnd Loop tests line integrity through the entire

connection, as illustrated in Figure 2-5.

Figure 2-5 OAM F5 EndtoEnd Loop

The OAM F5 Segment Loop tests line integrity between the switch

and the next device, as illustrated in Figure 2-6.

Figure 2-6 OAM F5 Segment Loop

10/100 BASE-T

1234

10/100 BASE-T

5678

10/100 BASE-T

9101112

10/100 BASE-T

13 14 15 16

Console

HiSpeed NETWORK SWITCH

10/100 BASE-T

1234

10/100 BASE-T

5678

10/100 BASE-T

9101112

10/100 BASE-T

13 14 15 16

Console

HiSpeed NETWORK SWITCH

FORMULA 8200 Switch ATM switch

OC-3

10/100 BASE-T

1234

10/100 BASE-T

5678

10/100 BASE-T

9101112

10/100 BASE-T

13 14 15 16

Console

HiSpeed NETWORK SWITCH

10/100 BASE-T

1234

10/100 BASE-T

5678

10/100 BASE-T

9101112

10/100 BASE-T

13 14 15 16

Console

HiSpeed NETWORK SWITCH

FORMULA 8200 Switch ATM switch

OC-3

10/100 BASE-T

1234

10/100 BASE-T

5678

10/100 BASE-T

9101112

10/100 BASE-T

13 14 15 16

Console

HiSpeed NETWORK SWITCH

FORMULA 8200 Switch ATM switch

OC-3

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 79 80

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