IQ 710 System Manual
© 2002 ADTRAN, Inc.
61202800L1-1B
IQ 710
Section 6, Configuration Guides
Page 202
Figure 11. Physical Layer Options Menu
3.
Use the right arrow to select
L
INE
C
ODE
; then press
<Enter>
. Choices of
B8ZS
and
AMI
will
appear. Use the arrow keys to select the line code that matches the line code on the TELCO-pro-
vided PRI line; then press
<Enter>
.
4.
Down arrow to select
C
LOCK
S
OURCE
; then press
<Enter>
. Choices of
I
NTERNAL
and
N
ETWORK
will
appear. Use the arrow keys to select
N
ETWORK
if the TELCO is providing clocking on the PRI line.
Select
I
NTERNAL
if there is no timing on the PRI circuit and the IQ 710 will have to provide the
clock.
5.
Down arrow to select
L
INE
B
UILD
O
UT
(LBO)
; then press
<Enter>
. Choices of
0, 7.5, 15,
and
22.5
will appear. The LBO should be selected based on the strength of the receive signal. Use the
arrow keys to select the correct value; press
<Enter>
.
6.
Down arrow to select
RX G
AIN
; then press
<Enter>
. Choices of
N
ORMAL
and
E
XTENDED
will appear.
The
N
ORMAL
setting is adequate for most applications. If the receive signal strength is less than 30
dB, choose
E
XTENDED
.
7.
Down arrow to select
S
TART
C
HANNEL
; then press
<Enter>
. Enter the first DS0 number available
for the TELCO-provided PRI line. If a full PRI circuit was purchased, the start channel will be one.
If a fractional PRI circuit was purchased, the start channel information can be obtained from the
TELCO.
8.
Use the down arrow to select
N
UMBER
OF
C
HANNELS
;
then press
<Enter>
. Enter the total number
of channels for the TELCO-provided PRI line. If a full T1 circuit was purchased, the number of
channels will be 23. The D-channel, which is used for call signaling, always resides on channel 24.
If a fractional PRI circuit was purchased, the number of channels can be obtained from the
TELCO.
Содержание IQ 710
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