Technical data
Table Of Contents
- Technical Reference Manual for OEMs HP Models 743, 744, and 748
- Contents
- 1 General Information
- Model 743 and Model 744 VME Board Computers
- Product Description
- Supported Configurations
- Model 743 and Model 744 External Devices
- Keyboard and Mouse
- Model 743 and Model 744 Cables
- Model 743 and Model 744 Functional Description
- Model 744 Block Diagram
- CPU Circuit
- Boot ROM Circuit
- Graphics Circuit
- Model 743 Memory Controller Circuit
- Model 744 Memory Controller Circuit
- LED Displays
- I/O Controller ASIC
- VME Controller ASIC
- I/O Expansion
- I/O Expansion Block Diagrams
- Model 748 Ruggedized Workstation
- Model 743 and Model 744 VME Board Computers
- 2 References
- 3 Quality
- 4 Mechanical Information
- 5 Electrical Information
- Video Connector Pinouts
- Audio Connector Pinouts
- HP Parallel Connector Pinouts
- RS-232 Connector Pinouts
- AUI LAN Connector Pinouts
- Single-Ended SCSI Connector Pinouts
- FW SCSI Connector Pinout
- PS/2 Connector Pinouts
- VME Connector Pinouts
- Real-Time Clock (RTC) Battery Information
- Video Output Signal Specifications
- Video Timing Specifications
- 6 Power Requirements
- 7 Product Design Considerations
- Index
5-12
Electrical Information
RS-232 Connector Pinouts
This section contains a figure of the RS-232 connector, a table of the RS-232 connector
pinouts, the HP 4301A conversion RS-232 cable connectors diagrams, and the conversion
RS-232 cable wiring table.
Figure 5-10 illustrates the RS-232 connector pin locations.
Figure 5-10 RS-232 Serial Connector
Table 5-9 identifies the RS-232 connector pins.
Table 5-9 RS-232-C Connector Pinouts
Pin
Number
Signal
Pin
Number
Signal
1DCD 6DSR
2RXD 7RTS
3TXD 8CTS
4DTR 9RI
5 GND