Installing the Campus-REX RS Interface Card

2Gently press the card into place until it is seated firmly in the mating connector.

3Use the two screws on the card to secure it into place.

4To install a Campus-RS Line Unit to work with the interface card, and to connect the Campus system to an HDSL line, see the Campus-RS Line Unit User Manual.

CONNECT THE ETHERNET LINE

The 10BASE-T MDI port on the rear of the Campus-REX card connects the Campus-REX to hubs, repeaters, or other routers.

Choosing the Cable

Use a straight-through cable (Category 3 or better) to connect the card to a device with an MDI-X port. Use a cross-over cable (Category 3 or better) to connect the Campus-REX to a device with an MDI port.

The following table lists the 10BASE-T interface data signals for both MDI and MDI-X port configurations.

MDI Pin (a)

MDI-X Pin

Signal

Description

1

3

TD+

Transmit Data (+)

2

6

TD-

Transmit Data (-)

3

1

RD+

Receive Data (+)

44

55

6

2

RD-

Receive Data (-)

77

88

(a)A 10BASE-T port on a PC is always configured as an MDI port.

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Campus-REX RS Interface Card User Manual