61202800L1-1B
IQ 710
Section 4, User Interface Guide
Page 55
© 2002 ADTRAN, Inc.
IQ 710 System Manual
C
ONFIGURATION
>D
IAL
B
ACKUP
>M
ODEM
O
PTIONS
These options are only available with a V.34 DBU card installed.
C
ONFIGURATION
>D
IAL
B
ACKUP
>PRI O
PTIONS
These options are only available with a PRI DBU card installed.
T
ONE
/P
ULSE
- S
elect the dialing method for the dial backup service.
M
AX
B
AUD
R
ATE
- This sets the maximum rate at which the call will connect.
Choices:
2400, 4800, 7200, 9600, 12000, 14400, 16800, 19200, 21600, 24000, 26400, 28800,
31200, 33600.
S
YNC
/A
SYNC
- Set to
S
YNC
if the unit is connecting to another IQ unit. Set to
A
SYNC
if the unit is con-
necting to an ATLAS. Changing this option will reboot the unit. This option is not available via
N-Formant.
P
HYSICAL
L
AYER
O
PTIONS
-
The following sections describe the
P
HYSICAL
L
AYER
O
PTIONS
avail-
able for the PRI DBU card.
L
INE
C
ODE
-
Set the line coding of the PRI DBU card to
B8ZS
for PRI applications.
C
LOCK
S
OURCE
-
Set the clock source to be derived from the network or from the unit’s internal
clock. The selected clocking option designates the clock source for transmission. Clocking nec-
essary for receiving data is recovered from incoming data. This option is most commonly set to
N
ETWORK
.
LBO -
Select the output level (in dB) for the PRI DBU card interface.
Choices:
A
UTO
,
0
,
7.5
,
15.0
, and
22.5 dB
.
R
X
G
AIN
-
Select the desired receiver sensitivity setting. The factory default setting is
N
ORMAL
,
which is adequate for most applications. The
E
XTENDED
setting should be used only in applica-
tions where the
N
ORMAL
setting is not sufficient. If the receive signal strength is less than 30 dB,
choose
E
XTENDED
.
S
TART
C
HANNEL
-
Select the channel in which the T1 stream starts. The setting must be consistent
with the carrier if using a public network.
N
UMBER
OF
C
HANNELS
-
Select the number of DS0s (channels) that are to be used. Note that the
PRI card uses one DS0 per connected call.
T
X
Y
ELLOW
A
LARM
-
Set
TX Y
EL
A
LARM
to
Y
ES
to transmit yellow alarms when a red alarm is
detected. Set this entry to
N
O
to avoid transmitting yellow alarms upon red alarm detection.
L
OCAL
L
OOPBACK
-
This forces the PRI into loopback on the network. This option can be used
instead of setting the loopback up using loop codes from external test equipment.
Choices:
N
ONE
,
P
AYLOAD
, and
L
INE
.
T
RANSMIT
PRM -
Set this entry to
Y
ES
to enable the unit to send messages across the facility data
link (FDL) per ANSI T1.403.