
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
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