User guide

6-22 Encore Multi-port DSU/CSU User GuideÑJuly, 1997
6
¥ If the errors persist, call Digital Link technical support for assistance.
LEDs do not Illuminate
¥ Run a lamp test from Menu-9 Diagnostics to make sure the LEDs are working.
After Powerup, the Menu Clock no Longer Shows Correct Time or Date
¥ The menu clock is not a real-time clock. Each time you power up, it is reset to a
predetermined value. You must enter the correct time and date in the time and date
Þelds in Menu-4 Main ConÞguration.
Troubleshooting the Terminal Interface
The Digital Link terminal interface is designed for simplicity, reliability, and ease of
maintenance. However, you may occasionally encounter problems.
Table 6-5 Troubleshooting the Terminal Interface
Problem Description and Location
No Response from any DSU/CSU on the Communication Network on page 6-
23
No Response from Some DSU/CSUs on the Network on page 6-23
Invalid Data is Received from One or All DSU/CSUs on the Network on page
6-23
Invalid Data is Received with a Mostly Good Menu Display on page 6-24