Line Loopback Test
This test sends on a line a predefined sequences of data. These data are looped
back and checked when they are received.
Local Node
Switch
Adapter
LIC
Remote Equipment
LS
Local Node
Switch
Adapter
LIC
Remote Node
Adapter
Switch
LIC
LS
Figure
4-9. Area Tested by the Line Loopback Test
Attention:
Before starting the Line Loopback Test, the remote line attachment must be set in
wrap mode by starting Line Loop. The Line Loopback Test locks the selected line
and stops its traffic. Howewer, it it is not disruptive on other lines of the LIC (if
any).
2220 Trunk Loopback Test
This test sends on a trunk predefined sequences of data. These data are looped
back and checked when they are received.
Local Node
Switch
Adapter
LIC
Remote Node
LIC
Adapter
Switch
LS
Figure
4-10. Area Tested by the 2220 Trunk Loopback Test
Attention:
Before starting the 2220 Trunk Loopback Test, the remote trunk attachment must
be set in wrap mode by starting Trunk Loop. The 2220 Trunk Loopback Test
locks the selected trunk and stops its traffic. Howewer, it is not disruptive on other
trunks of the LIC (if any).p
4-6
2220 Models 300, 500, and 501: Service Guide
Содержание 2220 Nways 300
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Страница 52: ...Part number index Appendix X Gives Bibliography Glossary Index l 2220 Models 300 500 and 501 Service Guide...
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Страница 70: ...Figure 3 7 Search Options in the Alarm Desk Window 3 12 2220 Models 300 500 and 501 Service Guide...
Страница 77: ...Chapter 3 Nways Switch Administration Station Functions 3 19...
Страница 79: ...Figure 3 11 Example of TCP IP address Chapter 3 Nways Switch Administration Station Functions 3 21...
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Страница 111: ...Chapter 5 2220 Problem Determination Copyright IBM Corp 1998 1999 5 1...
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Страница 126: ...3 2 1 1 Figure 6 6 Side Cover Removing for 29 U rack 6 8 2220 Models 300 500 and 501 Service Guide...
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Страница 205: ...Appendix A Schematics A 11...
Страница 206: ...A 12 2220 Models 300 500 and 501 Service Guide...
Страница 217: ...Catalog Section Appendix D Parts Catalog D 7...
Страница 218: ...Assembly 1 2220 Enclosure Assembly Models 300 500 and 501 1 2 D 8 2220 Models 300 500 and 501 Service Guide...
Страница 220: ...Assembly 2 2220 Control Panel and FAN Box Assembly 2 1 3 4 5 D 10 2220 Models 300 500 and 501 Service Guide...
Страница 222: ...Assembly 3 2220 AC DC and DC Power Supply Assembly 1 3 2 4 5 D 12 2220 Models 300 500 and 501 Service Guide...
Страница 224: ...Assembly 4 2220 Board Assembly 2 3 1 8 7 5 6 4 Front View Rear View D 14 2220 Models 300 500 and 501 Service Guide...
Страница 226: ...Assembly 5 2220 Modules 1 2 D 16 2220 Models 300 500 and 501 Service Guide...
Страница 230: ...Assembly 7 Internal Cables Assembly Rear View 1 2 3 4 D 20 2220 Models 300 500 and 501 Service Guide...
Страница 234: ...Assembly 9 29 U RACK Assembly Side Covers 1 2 3 5 6 4 D 24 2220 Models 300 500 and 501 Service Guide...
Страница 240: ...Assembly 12 29 U RACK Assembly Rear Side 2 1 Rear View D 30 2220 Models 300 500 and 501 Service Guide...
Страница 244: ...D 34 2220 Models 300 500 and 501 Service Guide...
Страница 246: ...E 2 2220 Models 300 500 and 501 Service Guide...
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Страница 264: ...IBM Part Number 02L4247 Printed in Denmark by IBM Danmark A S 2L4247 SY33 2121 1...