
Version 1.0 - June 19, 1997 1997 U.S. Robotics - All Rights Reserved
Troubleshooting x2 Servers
(Courier I-modems and Total Control Quad Modem Cards)
Troubleshooting x2 servers is an extension of the x2 client troubleshooting steps. Be
sure to consider the client issues discussed in the previous section. Be careful not to
assume anything.
1. Call the x2 server from a known-good analog line.
Call from a known x2-capable analog line and check for an x2 connect message. If you
get an x2 connect message, the correct software is installed and enabled.
This does not mean x2 is fully operational (there could be other issues). If x2 works
from a known-good line, but does not work from a particular line, go through the client
troubleshooting steps above for that line. And be sure to test from a wide base (at least
several) of different locations!
IF YOU CANNOT GET x2 FROM A KNOWN-GOOD LINE:
2. Ensure that the host has proper x2 software and that it’s enabled.
Courier I-modem
At the I-modem, enter ATI7. x2 should appear under Options as a supported option. If
not, obtain the correct software, install it, and enable it (see Appendix B for enabling
instructions). x2 is NOT an extra-cost feature of I-modems, but it does require
registration and enabling.
Supervisor date 03/04/97 (or later)
DSP date 03/03/97 (or later)
Supervisor rev 2.1.4 (or later)
DSP rev 2.1.4 (or later)
Total Control Quad Modem Cards
Supervisor date 03/03/97 (or later)
DSP date 02/28/97 (or later)
Double-sided 5.0.7 (or later)
Single-sided 5.1.7 (or later)
Be sure they are up-to-date and the feature is enabled on the NMC. Feature enable is
determined from the NMC, not the I7 screen of the quads.
TCM (Total Control Manager SNMP Software)
Check this from TCM -- Select the NMC, then select Programmed Settings, then
Added Cost Features. x2 should be shown as enabled. You can check this only from
TCM; the NMC console port does not provide this information.
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