Multitech MMH900 User Manual page 102

Supervisory Console not communicating with mux command
port
Problem Communications softwarenot installed on
Supervisory Console
Solution 1. Install communications software on supervisory
console, refer to communicaitons software user's
manual for installation.
Problem Bad cable or cable connection
Solution 1. Check RS 232 cable connections between
supervisory console and COMMAND PORT on
MultiMux for loose connection or bent pins, refer to
Supervisory Console Installation procedures in
Chapter 4.
2. Check RS232 cable connections between
supervisosry console and COMMAND PORT on
MultiMux for correct cable wiring, refer to Cable
Diagrams in Appendix C.
Supervisory Console not communicating with command
modem
Problem Incorrect command modem baud rate
Solution 1. Verify command modem baud rate is set to 2400
bps, refer to communications software user's
manual.
Garbage on Supervisory Console screen
Problem Incorrect session parameters
Solution 1. Verify session parameters (data bits of 8, parity
none, 1 stop bit), refer to communications software
user's manual for parameter settings.
Chapter 6 - Operating Procedures
102