Interconnect Signals

Connector ETHERNET Interconnect Signals (MVME712B)

Each pin connection, signal mnemonic, and signal characteristic for the connector is listed in Table 3-8.

Table 3-8. ETHERNET Interconnect Signals (MVME712B)

Pin

Signal

Signal Name and Description

Number

Mnemonic

 

 

 

 

 

 

 

1

 

Not used.

 

 

 

2

C+

COLLISION + (Input) - a signal to indicate that

 

 

multiple stations are contending for access to the

 

 

transmission medium.

 

 

 

3

T+

TRANSMIT + (Output) - this line is intended to

 

 

operate into terminated transmission lines.

 

 

 

4

 

Not used.

 

 

 

5

R+

RECEIVE + (Input) - a data input sourced by the

 

 

MAU.

 

 

 

6

GND

GROUND

 

 

 

7,8

 

Not used.

 

 

 

9

C-

COLLISION - (Input) - part of a differential pair.

 

 

 

10

T-

TRANSMIT - (Output) - part of a differential pair.

 

 

 

11

 

Not used.

 

 

 

12

R-

RECEIVE - (Input) - part of a differential pair.

 

 

 

13

+12VF

+12 Vdc Power - fused on MPU board.

 

 

 

14,15

 

Not used.

 

 

 

3

MVME712A/D3

3-13

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