How to Run the Line Loopback Test
Important
Only the followings LICs have the capability to redirect received signals
onto transmit signals (loops): LIC
513/523/514/515/516/517/544/545/546/551/552/553/554/555/556.
If you remote equipment is not an IBM 2220, set the line on this equipment in
loop and go directly to the Step 4 on page 4-19
Note
The following procedure is an example of how to run the Line Loopback Test.
Depending of the link tested the content of the windows displayed may be
different on your screen.
1. Identify the Front-end node:
Node name
IP address
IPR address
Get the PSN number for the front-end node.
2. Open a remote FEUI session to operate on the front-end node from the local
NAS using the following procedure.
When the Nways Switch administrations station is powered ON and initialized
the Nways Switch Desktop window is displayed.
a. Double click on the Nways Switch Services icon.
b. In the Nways Switch Services window, double click on the Nways Switch
Resource Control (Remote) icon.
Chapter 4. 2220 Diagnostics
4-15
Summary of Contents for 2220 Nways 300
Page 1: ...2220 Nways BroadBand Switch Models 300 500 and 501 IBM Service Guide SY33 2121 01...
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Page 3: ...2220 Nways BroadBand Switch Models 300 500 and 501 IBM Service Guide SY33 2121 01...
Page 12: ...x 2220 Models 300 500 and 501 Service Guide...
Page 35: ...General and Product Safety xxxiii...
Page 36: ...xxxiv 2220 Models 300 500 and 501 Service Guide...
Page 37: ...General and Product Safety xxxv...
Page 38: ...xxxvi 2220 Models 300 500 and 501 Service Guide...
Page 39: ...General and Product Safety xxxvii...
Page 40: ...xxxviii 2220 Models 300 500 and 501 Service Guide...
Page 41: ...General and Product Safety xxxix...
Page 50: ...xlviii 2220 Models 300 500 and 501 Service Guide...
Page 58: ...2 4 2220 Models 300 500 and 501 Service Guide...
Page 77: ...Chapter 3 Nways Switch Administration Station Functions 3 19...
Page 108: ...4 24 2220 Models 300 500 and 501 Service Guide...
Page 111: ...Chapter 5 2220 Problem Determination Copyright IBM Corp 1998 1999 5 1...
Page 118: ...5 8 2220 Models 300 500 and 501 Service Guide...
Page 194: ...6 76 2220 Models 300 500 and 501 Service Guide...
Page 205: ...Appendix A Schematics A 11...
Page 206: ...A 12 2220 Models 300 500 and 501 Service Guide...
Page 217: ...Catalog Section Appendix D Parts Catalog D 7...
Page 226: ...Assembly 5 2220 Modules 1 2 D 16 2220 Models 300 500 and 501 Service Guide...
Page 244: ...D 34 2220 Models 300 500 and 501 Service Guide...
Page 246: ...E 2 2220 Models 300 500 and 501 Service Guide...
Page 248: ...X 2 2220 Models 300 500 and 501 Service Guide...
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Page 264: ...IBM Part Number 02L4247 Printed in Denmark by IBM Danmark A S 2L4247 SY33 2121 1...