ADTRAN 4200659L8 Switch User Manual


 
Chapter 3. Configuration
3-8 MX2800 STS-1 User Manual 61200659L1-1
VT Interface #1-28
The VT Interface menu allows the user to map a Port (T1/E1) to a
VT, activate/deactivate the T1 and E1 mapped to the VT, and to set
the line coding, length, loopback detection, circuit protection, line
ID string, and disable/enable the hairpin loopback. Configuration
selections are described in the section following Figure 3-5.
Figure 3-5. Configure VT Interface #1 Menu
VT/Port Mapping
Map a T1/E1 port to a VT. Any available port (1-28) can be
mapped to a VT. An error will be returned if the port is already
mapped to another VT. Selecting
U
NEQUIPPED
will free the port
from mapping and disable the VT.
T1 State
Set unused T1 lines to
D
ISABLED
. Set used T1 lines to
E
NABLED
.
T1 Coding
Set the line code for each individual T1 interface to match the
connected device. The choices available for T1 are
AMI
and
B8ZS
.