Model EN308
TC
Ethernet Hub Installation Guide
Cascade the Hub Using the 10BASE-T Ports
The following illustration shows cascading hubs together in a hierarchical star
through the 10BASE-T ports and indicates the setting of the Normal/Uplink
push button on each hub.
The following illustration shows cascading Model EN308
TC
hubs together
daisy-chain style. Refer to the illustration for setting the Normal/Uplink push
button on each hub.
Note:
Ethernet specifications limit the number of hubs with twisted
pair links in any communication path to five, as shown in the example.
When PC “A” communicates with PC “B,” the communication path
goes from hub 4 to hub 2, to hub 1, to hub 3, and then to hub 5 (or five
paths).
100M
10M
8
7
6
5
4
3
2
1
On = Link Blinking = Activity
Normal/Uplink
BNC
100-240 VAC, 50-60Hz 0.2A max.
1
2
3
4
5
6
7
8
Pwr
Col
EN108
TP
10 BASE-T HUB
1
2
3
4
5
6
7
8
Pwr
Col
EN108
TP
10 BASE-T HUB
9122FA
A
B
Model EN104
hub
Model EN104
hub
4
2
3
1
5
Model
EN308
TC
hub
Model EN108
hub
Model EN108
hub
Uplink
Normal
Uplink
Uplink
Uplink
100M
10M
8
7
6
5
4
3
2
1
On = Link Blinking = Activity
Normal/Uplink
BNC
100-240 VAC, 50-60Hz 0.2A max.
100M
10M
8
7
6
5
4
3
2
1
On = Link Blinking = Activity
Normal/Uplink
BNC
100-240 VAC, 50-60Hz 0.2A max.
100M
10M
8
7
6
5
4
3
2
1
On = Link Blinking = Activity
Normal/Uplink
BNC
100-240 VAC, 50-60Hz 0.2A max.
9123FA
Normal
Uplink
Uplink
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