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IBM 7426 Manual page 47

Terminal interface unit

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12
Reconnecting the Terminals to the 7426 (Continued)
e
e
1
O
Check the lnitialization Worksheet to see if the information
about the new port is the same as that of the failing port.
(Refer to the worksheet and Figure 2-1 in Chapter 2.)
ls the information on the lnitialization Worksheet identical for the new
and failing port?
YES
NO
J
o
Label port 0 (with tape), identifying it as being bad.
O
Reconnect all other communication cables, but leave
port 0 disconnected.
Note: You may continue your operation without the
terminal that was on port 0. However, you must replace
the 7426 as soon as possible„
O
Go to the Chapter 3 checklist.
O
Relabel the cable from the failing port 0 with the number from
the spare port.
O
Reconnect all the communication cables.
0
Label port 0 (with tape) identifying it as being bad.
O
Notify the hast operator to activate the new port.
O
Go to the Chapter 3 checklist.
There are no spare ports on the 7426. You may continue your operation without the termi-
nal that was on the bad port. However, you must replace the 7426 as soon as possible.
O
Label the failing port (with tape), identifying it as being bad.
0
Reconnect all other communication cables, but leave the bad port disconnected.
O
Go to the Chapter 3 checklist.
Chapter 4. Customer Problem Analysis and Resolution 4-21

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