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DataTalker Owner’s Manual
92
Table 7-2. Composite Link Troubleshooting Internal DSU
Problem
Composite link down with CD,
CTS, XMT, RD and RCV LEDs
on
Flashing RXT LED
Possible Causes
Composite link not configured
correctly
High error rate on communication
line
DSU clocking configured
incorrectly
Solution
1. Verify DSU configuration. See
Composite Link settings -
Inernal DSU in Table 7-5.
2. Call Tech Support for
assistance (see Chapter 8).
1. View composite link statistics
(refer to Table 7-10).
2. Perform composite link
loopback tests (refer to Table
7-12).
3. Call phone company and
verify communication line.
4. Call Tech Support for
assistance (see Chapter 8).
1. For DDS line, both DSUs
should be set for DDS
clocking.
2. Call phone company and
verify communication line.
3. Call Tech Support for
assistance (see Chapter 8).