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DataTalker Owner’s Manual
94
Internal MMH2834 Modem
Problem
Composite link down with CTS,
XMT, and RD LEDs on
Composite link down with CD,
CTS, XMT, RCV and RD LEDs
on
Flashing RXT LED
Possible Causes
MMH2834 modem not
communicating with
communications line
Faulty communications line
Composite link not configured
correctly
High error rate on communication
line
Solution
1. Verify MDM LED is on. If off,
ensure that DIP-Switch #2 is
in the OPEN (Up) position.
2. Verify that cables are
connected to internal
composite Modem Dial-up or
Leased connector.
3. Verify modem configuration
(see Composite Link Settings
- Internal MMH2834 in Table
7-7).
4. Perform Local Analog
Loopback test (see Appendix
G, “Testing your MMH2834”).
5. Call Tech Support for
assistance (see Chapter 8).
1. Call phone company and
verify communication line.
2. Call Tech Support for
assistance (see Chapter 8).
1. Verify modem configuration
(see Composite Link Settings
- Internal MMH2834 in Table
7-7).
2. Call Tech Support for
assistance (see Chapter 8).
1. View composite link statistics
(refer to Table 7-9).
2. Perform Local Analog
Loopback test (see Appendix
G, “Testing your MMH2834”).
3. Call phone company and
verify communication line
4. Call Tech Support for
assistance (see Chapter 8).