9

FIGURE 4 – RJ-11 CONNECTORS ON NODE CARD

FIGURE 5 – PHASE RELATIONSHIP ON TWISTED PAIR SEGMENT AND RJ-11

CONNECTOR PINOUT

ARCNET NODE

4-Lead Modular Plugs

12 3 4

12 3 4

4 3

2 1

*

*

3

2

3

2

*

*Please note that the numbering scheme of the modular jack shown above is the

opposite of that found on Standard Microsystems' Systems Products Division's boards

and hubs. Please adhere to one scheme and ensure consistent connection of Phase

A and Phase B signals throughout the network for proper operation.