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Chapter 3. Operation
61200060L1-1 TSU User Manual 3-17
2) UNIT, SUBMENU OF 2) CONFIG
The unit submenu is used to change control port and alarm
options.
1. Follow standard operating procedures to access the Unit
menu item.
2. With the cursor on 2)UNIT,press
ENTER
.Theresults
display two submenu items.
1) CNTRL PORT
Used to set the unit up as the Master or Slave on a chain of
units, and whether to initialize a modem and the control port
data rate.
POSITION
Determines if this TSU is at the head of a chain of units
(directly connected to the modem or PC). The head of the
chainisreferredtoastheMasterUnit.Unitsdownthechain
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
Master. For all other cases, select SLAVE. (The Master is in
charge for control of the modem.)
Choices: MASTER; SLAVE
MODEM INIT
The TSU is capable of initializing a modem. This menu
selection is used to effect this initialization and should be
selected only when the choice above designates the TSU as
the MASTER. Prior to modem initialization it should be
physically connected to the TSU 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: ENAB - Enable; DISA - Disable
1)CONTROL PORT
2)ALARMS