NETGEAR EN116, EN104, EN108 manual BNC Connector, AUI Connector Pin Assignment Signal

	Normal Assignment:	Uplink Assignment:
	Ports 1–3 on the	Port 4 on the
RJ-45 Connector	Model EN104 hub	Model EN104 hub
	Ports 1–7 on the	Port 8 on the
Pin Assignment
	Model EN108 hub	Model EN108 hub
	Ports 1–15 on the	Port 16 on the
	Model EN116 hub	Model EN116 hub
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

AUI Connector

The AUI connector for the hub connects the hub through an external transceiver to other devices. An inter-repeater fiber link using a 10BASE-F transceiver is an example of such an application.

AUI connector

1

8

15

9

8148EA

AUI Connector Pin Assignment	Signal
1, 4, 11, 14, 15	Ground
2	CI-A
3	DO-A
5	DI-A
6	+ 12 V DC return
7, 8	Not used
9	CI-B
10	DO-B
12	DI-B
13	+ 12 V DC (500 mA maximum)

BNC Connector

The BNC connector for the hub supports 10 Mbps data transmission and connects the hub to other devices.

BNC connector

Center conductor	Ground shield
1
	2
	8149EA

Model EN104/EN108/EN116 Ethernet Hub Installation Guide