beautypg.com

Figure2-4 phy line loop, Figure2-5 oam f5 endtoend loop, Figure2-6 oam f5 segment loop – Allied Telesis AT-8202 User Manual

Page 73

background image

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

1

2

3

4

10/100 BASE-T

5

6

7

8

10/100 BASE-T

9

10

11

12

10/100 BASE-T

13

14

15

16

Console

HiSpeed NETWORK SWITCH

10/100 BASE-T

1

2

3

4

10/100 BASE-T

5

6

7

8

10/100 BASE-T

9

10

11

12

10/100 BASE-T

13

14

15

16

Console

HiSpeed NETWORK SWITCH

FORMULA 8200 Switch

ATM switch

OC-3

10/100 BASE-T

1

2

3

4

10/100 BASE-T

5

6

7

8

10/100 BASE-T

9

10

11

12

10/100 BASE-T

13

14

15

16

Console

HiSpeed NETWORK SWITCH

10/100 BASE-T

1

2

3

4

10/100 BASE-T

5

6

7

8

10/100 BASE-T

9

10

11

12

10/100 BASE-T

13

14

15

16

Console

HiSpeed NETWORK SWITCH

FORMULA 8200 Switch

ATM switch

OC-3

10/100 BASE-T

1

2

3

4

10/100 BASE-T

5

6

7

8

10/100 BASE-T

9

10

11

12

10/100 BASE-T

13

14

15

16

Console

HiSpeed NETWORK SWITCH

FORMULA 8200 Switch

ATM switch

OC-3