Trunking
Symptom
Probable Cause
Corrective Action
Embedded PRI calls
fail and all Status LEDs
on the Dual T1/E1
Framer are OFF.
Configuration.
Verify that embedded PRI is
programmed properly in the
following forms (see also Program
Embedded PRI/Q.SIG in the Online
Help):
•
Controller Module Configuration
•
Dual T1/E1 Framer
Configuration
•
Link Descriptor Assignment
•
Digital Link Assignment
After the Digital Links form is
completed, the T1/E1 Framer
status LEDs should come on. This
takes about 15 seconds.
Embedded PRI Links
are “not seizable”,
Status LEDs show
RED alarm.
Configuration or wiring. Ensure that the ISDN cable is
plugged into the correct RJ-45 port
on the Dual T1/E1 MMC. Verify that
the ISDN cable is correctly wired.
Change the “Termination
Mode” setting in the Digital Link
Descriptors form - either LT or
NT. This change takes about 30
seconds to take effect.
Embedded PRI links
are “not seizable”,
Status LEDs show
flashing GREEN.
Configuration.
Verify the “Network Side/QSIG
Master” setting in the ISDN
Protocol form. Check the “Inverted
D-Channel” setting in the Digital
Link Descriptors form - normally it is
set to “No”. Each of these changes
takes approximately 30 seconds.
Document Version 1.0
Troubleshooting Guide
174
Содержание MiVoice Business 3300 ICP
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