6. Troubleshooting
7123-A2-GB20-00
September 2001
6-19
Lamp Test
The
DSU/CSU supports a Lamp Test to verify that all LEDs are lighting and
functioning properly. All LEDs flash or blink on and off at the same time every
0.5 seconds during execution of the test. When the test is stopped, the LEDs are
restored to their normal condition.
Main Menu
→
Test
→
Lamp Test
If the Test Timeout configuration option is enabled and a Test Duration is set, the
Lamp Test stops when the test duration expires. See
Test Timeout Feature
on
page 6-10 for additional information.
Summary of Contents for 7123
Page 1: ...7123 SNMP DSU CSU User s Guide Document No 7123 A2 GB20 00 September 2001...
Page 10: ...About This Guide viii September 2001 7123 A2 GB20 00...
Page 22: ...2 User Interface and Basic Operation 2 10 September 2001 7123 A2 GB20 00...
Page 70: ...4 Security and Logins 4 12 September 2001 7123 A2 GB20 00...
Page 116: ...6 Troubleshooting 6 20 September 2001 7123 A2 GB20 00...
Page 136: ...C Connectors Cables and Pin Assignments C 8 September 2001 7123 A2 GB20 00...