Agilent Technologies Auroraduet N1726A, User Manual, Page: 468 / 507

Issue 01 - 06/99 A4 - 3
Appendix 4 - Troubleshooting
Troubleshooting Common Errors
What to Check First!
• If testing in BRI mode, make sure you are using the
RJ45 connector socket - this is labelled with an S .
• If testing in PRI mode, either at 75 ohm or 120
ohm, make sure you are using the TAE8+4
connector socket - this is labelled
Primary 120
Ω/
Primary .
Common Errors
Below is a list of common errors, together with possible
solutions:
Common cause codes
153 Check the cabling between aurora
Duet
and line. Press
F5 L1 to display the status of the line. In PRI mode,
also check the CRC4 setting.
156 Change the mode from PMP (Point-to-Multipoint)
to PP (Point-to-Point).
158 Change the mode from PP to PMP. In PRI mode,
check the CRC4 setting.
140 The other end is not responding to call control
messages and has a problem at layer 3.
If the SYNC A LED is lights up red
Press F5 L1 to display the status of the line. Also check
the CRC4 setting.
If the Problem Persists
Try resetting aurora
Duet
back to factory defaults - this
quickly clears any nonstandard settings:
Ø Choose SET DEFAULTS from the GENERAL SETUP
menu.
Appx4.PM6 17/06/99, 09:57 3