IQ 710 System Manual
© 2002 ADTRAN, Inc.
61202800L1-1B
IQ 710
Section 6, Configuration Guides
Page 190
Birmingham IQ 710 (DLCI 21)
1.
Use the right arrow to select
DLCI
; then press
<Enter>
. Type in 21 and press
<Enter>
.
2.
Use the right arrow to select
DBU DLCI
; then press
<Enter>
. Type in 20 and press
<Enter>
.
Notice that the TELCO-assigned DLCI of 21 for Birmingham's Frame Relay link to Huntsville is
programmed in the DLCI field. The TELCO-assigned DLCI of 20 for Huntsville's Frame Relay
link to Birmingham is programmed in the
DBU DLCI
field. These two entries are critical for proper
dial backup operation.
3.
Use the right arrow to select
DBU P
HONE
N
UMBER
; then press
<Enter>
. Type in 12565551000 and
press
<Enter>
. The phone number that the Birmingham IQ 710 will dial to reach the Huntsville
IQ 710 to establish a dial backup connection has now been programmed.
4.
Use the right arrow to select
C
ALL
O
RDER
N
UMBER
.
DBU C
ALL
O
RDER
allows each DLCI listed in
the table to be prioritized in the event that multiple PVCs are lost at once. Dial backup will first be
attempted on the PVC with the lowest Call Order that meets the DBU Criteria settings. Leave this
parameter at the default value of none.
The
DBU O
N
I
NACTIVE
parameter is disabled by default. For this example, leave it disabled in order
to assure the
G
ROUP
parameter on the host unit will initiate dial backup.
At this point all PVC Options have been configured for basic Frame Relay dial backup to Huntsville. The
PVC entries on the Birmingham IQ 710 should look like the screen shown in Figure 25. The remaining
options may be left at their default values. The
CIR
,
S
EQUENCE
N
UMBER
C
HECKING
,
D
ELAY
M
EASUREMENT
,
and
S
TATS
options are features not related to dial backup. For an explanation of these features, please refer
to the IQ 710 User Manual.
Figure 25. Birmingham IQ 710 (DLCI 21) Screen