Multi-Tech Systems DT102/xx, DT101 External Composite Link Device, Solutions, Troubleshooting

Chapter 7 - Troubleshooting

External Composite Link Device

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

Composite link down with CD, CTS and RD LEDs on

Possible Causes

Composite link not communicating with communications line

Faulty communications line

Composite link not configured correctly

High error rate on communication line

External device settings

Solutions

1.Verify EXT LED is on. If off, ensure that DIP-Switch #2 is in the Closed (down) position.

2.Verify that calbe is connected to External Composite RS232C/V.35 connector.

3.Verify composite link configuration (see Composite Link Settings - External Device in Table 7-8).

1.Call phone company and verify communication line.

2.Call Tech Support for assistance (see Chapter 8).

1.Vereify composite link configuration (see Composite Link Settings - External Device in Table7-8).

1.View composite link statistics (refer to Table 7-9)

2.Perform composite link loopback tests (see Diagnostic Testing in Table 7- 12).

3.Call phone company and verify communication line.

4.Call Tech Support for assistance (see Chapter 8).

1.Verify that external device is set for sync, full duplex, and internal clocking.

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