Stacked Ethernet Hubs - McDATA 316095-B21 - StorageWorks Edge Switch 2/24 Installation And Service Manual

2. Position the first hub on a table or desktop as directed by the
customer.
3. Stack the remaining hubs on top of the first hub as shown in
Figure 2-1. Ensure the adhesive rubber pads on the underside of a
hub align with the recesses on the top of the hub below.
1
4
5
8 9
13
16
17
20 21
1
4
5
8
9
13
16 17
20
21
1
4
5
13
8
9
16
17
20
21
Figure 2-1

Stacked Ethernet Hubs

4. To interconnect three hubs:
NOTE: To connect two hubs, use
hub instructions only).
a. To connect the top and middle hubs in the stack, connect an
RJ-45 patch cable to port 24 of the top hub, then connect the
cable to port 12 of the middle hub.
b. To connect the bottom and middle hubs in the stack, connect a
second RJ-45 patch cable to port 24 of the middle hub, then
connect the cable to port 12 of the bottom hub.
c. Using a pencil or other pointed instrument, set the medium-
dependent interface (MDI) switch on the top and middle hubs
to MDI (in). Set the MDI switch on the bottom hub to MDIX
(out). The configuration is shown in
Task 2: Unpack, Inspect, and Install the Ethernet Hub (Optional)
12
MID Base line 10/10
0 Hub
MDIX
Port Statu s
1
24 2 3
4 Collisio n
5 6
7
8 9 10 11
13 14 12 100M
15 16
17 18
19 20
Gree n - 100M 21 22 23 24
, Yello w - 10M,
10M
Flash - Activ Powe r
ity
Supe rStac k
3
®
12
MID
MDIX
24
Po rt Sta
1
2 tus
3 Ba se lin
4
5 e 10 /10
13 6 0 Hu b
14 7
15 8 Co llis ion
16 9 10
17
Gr ee n 18 11 12
- 10 0M 19
20 10 0M
, Ye llow 21
- 10 M, 22 23
Fla sh 24
- Ac tivi 10 M
ty
Po we r
Su pe rS
tac k 3
®
12
MID
MD IX
24
1
2 P or t
3 S ta tu
4 s
13
14 5
6
15
16 7
G re en 8
17
- 10 0M 18 9 10
C ol lis B as el
, Ye llo 19 io n in e 10
20 11
w - 10 12
21 10 0M /1 00
M , Fl 22 H ub
as h
23
- Ac tiv 24
ity 10 M
Po w
er
S up er
S ta ck
® 3
step a
Installation Tasks
co m
3
®
c o m
3
®
c o m
3
®
and step c (top and middle
Figure 2-2 on page 2-10.
2
2-9