4) Use the arrow keys to increment/decrement to the frame address, nn (nn
is usually 02, 03, etc. for expansion towers) (07nn will be displayed).
Press Enter (07nn 00 will be displayed).
Note: The display on the addressed frame should now be blinking on
and off.
5) Use the arrow keys to increment/decrement to a configuration ID. The
configuration ID is ’84’ for FC 5078/0578.
(078x will be displayed). Press Enter (078x 00 will be displayed).
6) After a few seconds, the display on the addressed FC 5078/0578 frame
will stop blinking and return to displaying the frame address. After
going through function 07A9 from the panel exit back to function 01
manually, the tower ID is updated.
7) Power the expansion unit back on. See “Powering On and Powering Off
the System and Logical Partitions” on page 922.
8) After exchanging an item, go to “Verifying the Repair” on page 920.
This ends the procedure.
HSL Cables – Concurrent
This procedure will direct you through a concurrent maintenance procedure for
replacing the HSL cables. You do not need to power the system or expansion tower
off.
1. The following steps guide you through exchanging an HSL cable. You will need
to perform the following steps for both ends of the cable that you are replacing.
2. Disconnect the cable at the frame ID, card position, and port that you are
working on.
3. Is the connection an optical link?
No Yes
↓ Clean the HSL cable connectors on the new cables and the HSL cable
port using the tools and procedures listed in symbolic FRU
“OPT_CLN” on page 561. Go to step 5 of this procedure.
4. Wait at least 30 seconds.
5. Connect the new cable to the port.
Attention: You must fully connect the cable and tighten the connector’s
screws within 30 seconds of when the cable makes contact with the port. If you
do not, the link will fail and you must disconnect and reconnect it again. If the
connector screws are not tightened errors will occur on the link and it will fail.
This ends the procedure.
Models 830/SB2 with FC 9074 (With Single Line Cord) – AC
Input/Charger (A01)
1. Power off the system (see “Powering On and Powering Off the System and
Logical Partitions” on page 922).
2. Open the rear cover (see “Models 830/SB2 with FC 9074 – Covers” on
page 663).
Refer to “Models 830 and SB2 with FC 9074 - Final Assembly, Rear” on page 820
and perform the following steps.
Remove and Replace Procedures
Chapter 4. Removal and Installation Procedures 653
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