ADTRAN IQ 710 System Manual page 213

DBU Criteria
1. Press
<Escape>
Select option 3, DBU C
played. The default values for the parameters on this screen are shown.
2. Press 1 to select W
E . This allows the IQ unit to enter dial backup in the event that the network T1 line goes into
NABLE
alarm.
is enabled by default. With this option enabled, the IQ 710 unit will go into dial
W N LMI
ITH O
backup when the
3. Press 3 to select W
E .
NABLE
This is a global setting that affects all of the PVCs in the IQ's DLCI table. A PVC is advertised as
Inactive by the frame switch in the CO when there is a problem at the remote end of the frame cir-
cuit. With this option enabled, the IQ will attempt to establish a dial backup call with the remote
unit when its corresponding DLCI is advertised as Inactive.
Once these parameters have been configured properly, the
exactly like Figure 25.
© 2002 ADTRAN, Inc.
once to get back to the C
and press
RITERIA
Figure 24. DBU Criteria Menu
N F
ITH ETWORK AILURE
F R S
RAME ELAY IGNALING
; then press
PVC I
ITH NACTIVE
D B
ONFIGURE IAL ACKUP
The menu screen shown in Figure 24 is dis-
<Enter>.
; then press . Press 2 and press
<Enter>
is down.
S
TATE
. Press 2 and press
<Enter>
DBU C
61202800L1-1B
Section 6, Configuration Guides
Page 213
screen shown in Figure 22.
<Enter>
to select
<Enter>
screen should look
RITERIA
IQ 710 System Manual
IQ 710
to select