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Daisy-chaining Hubs
Normally, to make a hub-to-hub connection you need to use a crossover
cable. The daisy-chain port on the 140T hub is wired MDI so you can use a
straight-through cable to connect the 140T to an MDI-X port on a hub or
switch. When using the daisy-chain port, follow these guidelines:
• Only two hubs (ClassII) can be daisy-chained together.
• The maximum cable length connecting the hubs can't exceed 5 meters.
100m (max)
Intel
®
Express 140T
Collisions
Standalone Hub
Power
10Mbps
100Mbps
1
2
3
4
5
6
7
8
Port
Solid green = Link
9
10
11
12
13
14
15
16
Blinking green = Activity
Activity
1
2
3
4
5
6
7
8
Orange = Autodisabled
Port
Solid Green = 100Mbps
9
10
11
12
13
14
15
16
i
Speed
Off = 10Mbps
10Mbps
100Mbps
R
Traffic %
1
5
10
30
40
50+
1
5
10
30
40
50+
• Use a straight-through cable to connect from the daisy-chain port on
one hub to any port on the other hub (except the daisy-chain port).
• Don't connect daisy-chain ports together with a straight-through cable.
• Never daisy-chain a 140T hub with a 100Base-T Class I device (such as
the Express 200 Series Stackable Hubs).
1
2
3
1
2
3
Daisy-chain Port
Do not use Port 1 and the Daisy-chain port at the same time. Port 1 and
the daisy-chain port are the same logical port, except their pinouts are
different.
It is also possible to connect from a daisy-chain port on a 140T to a daisy-
chain port on another 140T. However, because the daisy-chain ports are
wired the same (MDI) you will need to use a crossover cable just as if you
were connecting two MDI-X ports together.
Get other manuals https://www.bkmanuals.com
5m (max)
Intel
®
Express 140T
Collisions
or
1
2
3
4
5
6
7
8
Standalone Hub
Power
10Mbps
100Mbps
1
2
3
4
5
6
7
8
9
Port
Daisy-chain
13
14
15
16
17
18
19
20
21
Activity
1
2
3
4
5
6
7
8
9
Port
13
14
15
16
17
18
19
20
21
i
Speed
10Mbps
MDI
9
10
11
12
13
14
15
16
R
Traffic %
Class II
1
5
10
30
40
50+
1
5
205m (max)
Intel Express 220T
Stackable Hub
Colls 10Mbps
Bridged
Power
Colls 100Mbps
Managed
Enable/Disable
RPS
Status
Bridging
4
5
6
7
8
9
10
11
12
Left (Orange/Green)
Orange = 10Mbps
Green = 100Mbps
Solid = Link
Blink = Activity
Right (Yellow)
Class
I
Solid = Disabled
Blink = Wrong Speed
Intel Express 220T
Stackable Hub
Colls 10Mbps
Bridged
Power
Colls 100Mbps
Managed
Enable/Disable
Intel
RPS
Status
Bridging
Standalone Hub
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Left (Orange/Green)
Orange = 10Mbps
Green = 100Mbps
Solid = Link
Blink = Activity
i
Right (Yellow)
Class
I
Solid = Disabled
Blink = Wrong Speed
100m (max)
or
1
2
3
4
5
6
7
8
9
10
11
12
10
11
12
Solid green = Link
22
23
24
Blinking green = Activity
Daisy-chain
10
11
12
Orange = Autodisabled
Solid Green = 100Mbps
22
23
24
Off = 10Mbps
100Mbps
MDI
13
14
15
16
17
18
19
20
21
22
23
24
10
30
40
50+
Class II
®
Express 140T
Collisions
Power
10Mbps
100Mbps
or
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
Port
Solid green = Link
Activity
13
14
15
16
17
18
19
20
21
22
23
24
Blinking green = Activity
Daisy-chain
Orange = Autodisabled
1
2
3
4
5
6
7
8
9
10
11
12
Port
13
14
15
16
17
18
19
20
21
22
23
24
Solid Green = 100Mbps
Speed
Off = 10Mbps
R
10Mbps
Traffic %
100Mbps
MDI
13
14
15
16
17
18
19
20
21
22
23
24
1
5
10
30
40
50+
1
5
10
30
40
50+
Class II
7
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