Model EN308
TC
Ethernet Hub Installation Guide
RJ-45 Connector
The RJ-45 connector (shown in the illustration with an RJ-45 plug) is used to
connect workstations, hubs, and switches through unshielded twisted pair cable.
The RJ-45 connector accepts four-pair Category 3 or Category 5 UTP cable.
Only two pairs are used for 10BASE-T wiring.
BNC Connector
The BNC connector for the hub supports 10 Mbps data transmission and
connects the hub to other devices.
The BNC T-connector and the 50
Ω
terminator enable the BNC port on the hub
to connect a thin coaxial segment.
RJ-45 Connector
Pin Assignment
Normal Assignment:
Port 1 - 8
Uplink Assignment:
Port 8
1
Input Receive Data +
Output Transmit Data +
2
Input Receive Data -
Output Transmit Data -
3
Output Transmit Data +
Input Receive Data +
6
Output Transmit Data -
Input Receive Data -
4, 5, 7, 8
Not used
Not used
711EA
1
8
12345678
8149EA
1
2
Center conductor
Ground shield
BNC connector
8150FA
50
OH
M
50
Ω
terminator
BNC T-connector
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