Communication Problems

My PC cannot communicate with the emulator, how do I get it working?

Answer

1. You may have installed the wrong software. Verify that the correct software has been installed (see Emulator Software Verification).

2. The Emulator is not turned on. Verify the red power led is illuminated.

3. The RS-232 cable is not connected to the emulator or computer. Verify the RS-232 connections between the emulator and host PC. 

4. Make sure that the RS-232 cable is not lying in a strong electro-magnetic field. 

5. The RJ11 cable or RJ11 to DB9 or DB25 converter is bad. Check continuity between both ends of the RJ11 cable and both ends of the RJ11 to DB9 or DB25 converter. 

6. See the MetaLink .PDF manual for RS-232 cable and converter pin definitions. 

7. The incorrect serial port was selected. Verify that the correct serial port is selected when the host software starts. If the selected serial port is used by another device the host software will report that the serial port is not available. 

8. The serial port baud rate is set too high. Select a slower serial baud rate in the host software's Select Communication Port dialog box. 

9. The serial port FIFO settings need to be adjusted. The serial port FIFO settings should be enabled and set to their lowest buffer size. If this does not work try turning off both FIFOs.

10. The host PC serial port is an 8250 type UART. Some problems have been seen when using an 8250 type UART. Upgrade the serial port to a 16550 type UART.

11. The emulator has been set to use a crystal/clock in the target system and is no longer in the target system. Proceed to step 11.

12. The emulator configuration is invalid. Delete the $COMM, $CONFIGD, $CONFIGW and $SETTING files from the project directory or start the emulator and select a new, empty project directory.

13. The problem is most likely an emulator hardware failure. Call MetaLink for an RMA number and return the emulator, power supply, serial cable and RS232 converters for repair.