Chapter 3. Configuration
3-6 MX2800 User Manual 61200290L1-1
Miscellaneous
Loopback Timeout
Sets the loopback timeout to
D
ISABLED
,
1
MIN
.
,
5
MIN
.
,
10
MIN
.
,
15
MIN
.
,
30
MIN
.
,
45
MIN
. or
1
HR
.
DS2 Configuration
The MX2800 can individually frame each of the seven DS2 streams
in M12 (four T1s) or G.747 (three E1s) format. When set to
M12
(4
X
T1)
, the four T1s for the selected group are framed per ANSI
T1.107. When set to
G.747 (3
X
E1)
, the first three T1/E1 ports of the
selected group are framed per CCITT G.747 into the DS3 stream.
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) 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
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