User Manual

MCN Remote Comparator Display Troubleshooting
CTI Products, Inc.
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63
• If you are using an HIB as the network interface device, try using the /W
option on the device driver command line (refer to the HIB’s hardware
reference manual for details about the device driver command line). Try using
a delay of about twice the character delay, as shown in the table below.
Baud Rate Delay (in microseconds)
9600 1700
14400 1200
19200 900
38400 300
• Try running the HIB and MCNRCD software at a lower data rate, either 14400
or 9600 bps. Remember to change the HIB’s baud rate selection switches for
this new data rate and then reset the HIB module.
Problem:
Modem will not dial. I get the “Unable to connect” error when
MCNRCD tries to dial.
• Verify that your MODEM.INI file contains a valid initialization string for your
modem.
• Verify that the modem’s line port is properly connected to the phone jack.
• Verify that the HIB is properly connected to the remote modem.
• Verify that the HIB’s OPTION A switch 5 is in the UP position. If not, put
the switch in the UP position and reset the HIB.
• Try turning off the modem and HIB and then turning on the modem followed
by turning on the HIB.
• Run the HIBCNFG.EXE program to configure the HIB’s modem initialization
string. See section 10 for details about HIBCNFG.EXE.
Problem:
The remote modem does not answer or answers but hangs up before
the connection is established.
• Verify that the HIB is properly connected to the remote modem.
• Verify that the HIB’s OPTION A switch 5 is in the UP position. If not, put
the switch in the UP position and reset the HIB.
• Try turning off the modem and HIB and then turning on the modem followed
by turning on the HIB.
• Run the HIBCNFG.EXE program to configure the HIB’s modem initialization
string. See section 10 for details about HIBCNFG.EXE.