
Modem connection test
Operational tests
............................................................................................................................................................................................................................................................
365-372-304R7.1
Issue 1, November 2007
5 - 1 9
............................................................................................................................................................................................................................................................
Modem connection test
Description
This test will verify proper modem connection to the 1665 DMX shelf.
This test should only be performed if a modem is required.
........................................................................................................................................................................................................................
Modem connection test procedure
........................................................................................................................................................................................................................
1
Verify the generic parameters of the modem are set to the following:
Modem parameters
•
1200, 2400, 4800, 9600, or 19,200 baud
•
Full duplex
•
8 data bits
•
No parity bits
•
1 start bit
•
1 stop bit
•
No flow control
•
Transparent data mode - ON
•
Direct operating mode - ON
Important!
Modems supporting a large set of options and error detection capabilities
may require other options be set before using the modems to download generic
software. Refer to manufacture’s manuals for instructions on setting modem
parameters.
........................................................................................................................................................................................................................
2
Verify that the modem cable is properly connected from the modem to J17 (CIT) on the
backplane of the 1665 DMX shelf.
........................................................................................................................................................................................................................
3
Verify that the modem is connected to the phone line.
........................................................................................................................................................................................................................
4
Select Administration -> Data communications...
Summary of Contents for Data Multiplexer Explore 1665
Page 8: ... Contents v i i i 365 372 304R7 1 Issue 1 November 2007 ...
Page 12: ... List of figures x i i 365 372 304R7 1 Issue 1 November 2007 ...
Page 16: ... List of tables x v i 365 372 304R7 1 Issue 1 November 2007 ...
Page 24: ... About this document x x i v 365 372 304R7 1 Issue 1 November 2007 ...
Page 272: ... Final operations Operational tests 5 2 2 365 372 304R7 1 Issue 1 November 2007 ...
Page 326: ... Cleaning pluggable optics modules Fiber cleaning B 1 4 365 372 304R7 1 Issue 1 November 2007 ...
Page 408: ...I N 4 365 372 304R7 1 Issue 1 November 2007 Index ...