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

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
if the attached DTE device only supports DS1 levels. The E1 L
L
ENGTH
M
same length at the same time. See Set Multiple on page 3-7 for a
description of the S
for each line.

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
want the T1/E1 to respond to the request. Set to D
want the T1/E1 to ignore the request. Select S
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
entering either D
61200290L1-1
is not selectable and remains at 0-3000
to configure the line length for any or all of the T1s to the
ULTIPLE
ET
ISABLED
MX2800 User Manual
M selection, entering the line length
ULTIPLE

Figure 3-8. T1/E1 Line Length Menu

, CSU, or NIU.
Chapter 3. Configuration
-7.5 dB
INE
. Select S
FT ET
if you
NABLE
if you
ISABLE
M to set
ET ULTIPLE
M selection,
ET ULTIPLE
3-9