ADTRAN TSU LT User Manual download pdf (Page 39)

TSU LT 220V User Manual Chapter 5 Config Menu

Cntrl Port Submenu

Use to set up the unit as the master or slave on a chain of units, and to initialize a modem and the control

port data rate.

Alarms Submenu

Use these submenus to initialize the method by which the control port handles alarm conditions.

POSITION

[of TSU LT 220V]

This option determines whether the TSU LT 220V 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.

Setting the position is only necessary when you are using a modem, in which case

the head unit should be

MASTER. For all other cases, select SLAVE. (The master is

in charge of control of the modem.)

Choices: MASTER, SLAVE

MODEM INIT

Use this option to initialize a modem, but only when the TSU LT 220V is serving

as the

MASTER unit. The modem should be physically connected to the TSU LT

220V with the power turned on prior to initialization. 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 (enable), DISA (disable)

DATA RATE

Selects the data rate for the control port. The data rate should be consistent with all

units on a chain and with the modem and/or PC/Proxy Agent serial port.

Choices: 1200, 2400, 9600

TRAPS

Determines whether alarm conditions should automatically trigger an alarm message

(trap) to the controlling PC/Proxy Agent. The setting is for this unit, or for slaves if

this unit is a master. For applications where the

AUTO INBAND selection is not

acceptable,

TRAPS should only be enabled with the Inband selection set to ON or OFF.

Choices: ENA (enable), DISA (disable)

OUTPUT

Selects whether the alarm traps (if enabled) are sent directly, or whether the telephone

number stored in the TSU LT 220V should be dialed first (industry-standard AT dial

command sent to modem).

Choices: DIRECT, DIAL

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ADTRAN TSU LT User Manual Page 39