FW V06.XX/HAFM SW V08.02.00 HP StorageWorks Edge Switch 2/24 Service Manual (AA-RTDXC-TE, July 2004)

Diagnostics
78 Edge Switch 2/24 Service Manual
Figure 19: Daisy-Chained Ethernet Hubs
1. 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 MDI
(in).
2. At the middle Ethernet hub, ensure the patch cable from the top hub connects
to port 12, the patch cable from the bottom hub connects to port 24, and the
MDI switch is set to MDI (in).
3. At the bottom Ethernet hub, ensure the patch cable from the middle hub
connects to port 12 and the MDI switch is set to MDIX (out).
To check two hubs, use step 2 and step 3 (middle and bottom hub instructions
only).
Was a corrective action performed?
NO YES
↓ Go to step 1.
1
MID
21
20
9
12
24
8
5
17
4
16
1
13
M
DIX
1
MID
21
20
9
12
24
8
5
17
4
16
1
13
MDIX
1
1
MID
21
20
9
12
24
8
5
17
4
16
1
13
M
DIX