HIMA F8620/4 hydraulic servo system

On MVME761-compatible models of the MVME2603/2604 base board, the asynchronous serial ports (Serial Ports 1 and 2) are configured permanently as data circuit-terminating equipment (DCE).

The synchronous serial ports, Serial Port 3 and Serial Port 4, are configurable through a combination of serial interface module (SIM) selection and jumper settings. The following table lists the SIM connectors and jumper headers corresponding to each of the synchronous serial ports.

Port 3 is routed to board connector J7. Port 4 is available at board connector J8. Eight serial interface modules are available: ❏ EIA-232-D (DCE and DTE) ❏ EIA-530 (DCE and DTE) ❏ V.35 (DCE and DTE) ❏ X.21 (DCE and DTE) You can configure Serial Ports 3 and 4 for any of the above serial protocols by installing the appropriate serial interface module and setting the corresponding jumper. SIMs can be ordered separately as required.

When installing the SIM modules

note that the headers are keyed for proper orientation. For further information on the preparation of the transition module, refer to the user’s manual for the MVME761 (listed in Appendix D, Related Documentation) as necessary. The next three figures illustrate the MVME2603/2604 base board and MVME761 transition module with the interconnections and jumper settings for DCE/DTE configuration on each serial port.

For further information on the preparation of the transition module and the P2 adapter, refer to the user’s manual for the MVME761 (listed in Appendix D, Related Documentation) as necessary.

P2 Adapter Preparation (Three-Row) 

The P2 adapter for the MVME761 transition module routes the synchronous and asynchronous serial, parallel, and Ethernet signals to the MVME761. The P2 adapter also has a 50-pin female connector (J2) that carries 8-bit SCSI signals from the MVME2603/2604. To run SCSI devices, you may install an additional transition module that is equipped with a SCSI port, such as the MVME712B. Preparation of the P2 adapter for the MVME761 consists of installing a jumper on header J1 to enable the SCSI terminating resistors if necessary. Figure 1-16 illustrates the location of the jumper header, resistors, fuse, and connectors.

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