Technical data

5-4 Computer Group Literature Center Web Site

Pin Assignments

Ethernet Connector - J9

The MVME172LX’s Ethernet interface is implemented with a DB15

connector located on the front panel of the board. The pin assignments for

this connector are listed in the following table.

Serial Connector - J17

A four-segment RJ45 connector located on the front panel of the

MVME172 provides the interface to the four asynchronous serial ports.

The pin assignments for each segment in the connector are as follows.

Table 5-3. DB15 Ethernet Connector Pin Assignments

1 GND C+ 2

3 T+ GND 4

5 R+ GND 6

7 No Connection GND 8

9 C–

T–

11 GND R– 12

13 +12V GND 14

15 No Connection

Table 5-4. Serial Connector Pin Assignments

1DCDn

2RTSn

3 Ground

4TXDn

5RXDn

6 Ground

7CTSn

8DTRn