Unit; Figure 5-6. Configuration Submenu - ADTRAN TSU LT User Manual

TSU LT User Manual
SET LBO
Selects the line build-out for the network interface. In
on the strength of the receive signal.
Choices: 0dB, AUTO, -22.5dB, -7.5dB, -15dB
RX SENSITIVITY
Selects the desired receiver sensitivity setting. The factory default is
most applications. The extended setting should be used only in applications where the
will not suffice.

Unit

The submenu is used to change control port and alarm options. Follow standard operating procedure
U
NIT
to access the menu items. See Figure 5-6.
U
NIT
CNTRL PORT
Used to set the unit up as the master or slave on a chain of units, and to initialize a modem and the
control port data rate.
POSITION OF TSU LT
Determines if this TSU LT is at the head of a chain of units (directly connected to the modem or PC).
The head of the chain is referred to as the master unit. Units down the chain are referred to as slaves or
a slave unit. The setting of the Position Selection is necessary only when using a modem, in which
case the head unit should be
control of the modem.)
Choices: MASTER, SLAVE
MODEM INIT
The TSU LT is capable of initializing a modem. This menu selection is used to perform this
initialization and should be selected only when the TSU LT is serving as the
modem initialization it should be physically connected to the TSU LT and the power turned on. At
this point, an industry-standard AT command string is used to initialize the modem. The string is also
used following future power-up sequences.
Choices: ENA, DISA
61202060L4-1

Figure 5-6. Configuration Submenu

. For all other cases, select
M
ASTER
© 2002 ADTRAN, Inc.
Chapter 5. Configuration Menu
mode, the TSU LT will set the LBO based
A
UTO
N
ORMAL
(The master is in charge of
S .
LAVE
M
which is adequate for
setting
N
ORMAL
unit. Prior to
ASTER
47