ADTRAN MX2800 - Figure 3-8. T1;E1 Line Length Menu; T1;E1 Line Length; T1;E1 Loopback Detection

Chapter 3. Configuration
61200290L1-1 MX2800 User Manual 3-9
T1/E1 Line Length
Set the line length for each T1 interface according to the distance
from the MX2800 to your DTE device (see Figure 3-8). Set to
-7.5 dB
if the attached DTE device only supports DS1 levels. The E1
L
INE
L
ENGTH
is not selectable and remains at
0-3000
FT
. Select
S
ET
M
ULTIPLE
to configure the line length for any or all of the T1s to the
same length at the same time. See Set Multiple on page 3-7 for a
description of the
S
ET
M
ULTIPLE
selection, entering the line length
for each line.
Figure 3-8. T1/E1 Line Length Menu
T1/E1 Loopback Detection
Choose which T1/E1 lines will respond to CSU loopback requests
coming from the network (see Figure 3-9). Set to
E
NABLE
if you
want the T1/E1 to respond to the request. Set to
D
ISABLE
if you
want the T1/E1 to ignore the request. Select
S
ET
M
ULTIPLE
to set
any or all of the T1/E1s to the same value at the same time. See Set
Multiple on page 3-7 for a description of the
S
ET
M
ULTIPLE
selection,
entering either
D
ISABLED
,
CSU
, or
NIU
.