ADTRAN IQ 710 System Manual page 226

61202800L1-1B
IQ 710
Section 6, Configuration Guides
Page 226
DBU Criteria
1. From the screen shown in Figure 36, press the down arrow to select DBU C
screen shown in Figure 37 is displayed. The default values for the parameters on this screen are
shown.
2. Use the right arrow to select W
select E ; then press
NABLE
network T1 line goes into 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. Use the down arrow to select W
select E ; then press
NABLE
This is a global setting that affects all of the PVCs in the IQ 710 DLCI table (under
). If this option is disabled, the unit will not enter DBU based on inactive DLCI regardless
O
PTIONS
of how the
DBU
is advertised as Inactive by the frame switch in the CO when there is a problem at the remote end
of the frame circuit. With this option enabled, the IQ 710 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 38.
IQ 710 System Manual
Figure 37. DBU Criteria Menu
N
ITH ETWORK
. This allows the IQ unit to enter dial backup in the event that the
<Enter>
F R S
RAME ELAY IGNALING
PVC I
ITH
.
<Enter>
parameter is set for each DLCI in the network PVC options. A PVC
I
ON NACTIVE
F ; then press
AILURE
is down.
S
TATE
; then press
<Enter>
NACTIVE
DBU C
. The menu
RITERIA
. Use the down arrow to
<Enter>
. Use the down arrow to
N
ETWORK
screen should look
RITERIA
© 2002 ADTRAN, Inc.
PVC