Ethernet Hubs, Daisy-Chained - HP 316095-B21 - StorageWorks Edge Switch 2/24 Service Manual

Diagnostics
10
Verify the hubs are correctly daisy-chained
Figure 2–11: Ethernet Hubs, daisy-chained
To check two hubs, use
a. At the first (top) Ethernet hub, ensure an RJ-45 Ethernet patch cable connects to
port 24 and the medium-dependent interface (MDI) switch is set to MDIX (in).
b. At the middle Ethernet hub, ensure the patch cable from the top hub connects to
port 12x, the patch cable from the bottom hub connects to port 23x, and the MDI
switch is set to MDI (out).
c. At the bottom Ethernet hub, ensure the patch cable from the middle hub connects
to port 24 and the MDI switch is set to MDIX (in).
Was a corrective action performed?
NO YES
Go to
2–48
1 2 x
2 4
1 2 x
2 4
1 2 x
2 4
step a and
step 1.
(Figure 2–11.)
Switch set to
MDIX (in)
M D IX
M D I
Switch set to
MDI (out)
M D IX
M D I
Switch set to
MDIX (in)
M D
IX
M D
I
step b (top and middle hub instructions only).
edge switch 2/24 service manual