
Chapter 3. Configuration
3-6 MX2810 M13 User Manual 61185001L1-1
The fourth T1/E1 port of the selected group is not available in this
mode. Any combination of M12 (4
X
T1) and G.747 (3
X
E1) is
allowed.
T1/E1 INTERFACE
The T1/E1 I
NTERFACE
menu (shown in Figure 3-4 on page 3-6)
allows you to activate/deactivate individual T1s and E1s and to set
their line coding, length, loopback detection, circuit protection, and
line ID string. The T1/E1 code violation threshold is also
configured through this menu. Configuration selections are
described in the sections following Figure 3-4.
Figure 3-4. T1/E1 Interface Menu
T1/E1 State
Set T1/E1 lines to D
ISABLED
, E
NABLED
,
OR
A
UTO
E
NABLE
. In Auto
Enable, the unit automatically detects when a T1/E1 is connected
and enables that T1/E1 line. (See Figure 3-5).
A DS2 can be divided into either three E1s or four T1s. Therefore, when
dealing with an E1 configuration, some of the fields in the T1/E1
I
NTERFACE
menus do not apply (and therefore display N/A).
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