ADTRAN 1202156L1 Manuale Utente Scaricare il pdf (Pagina 68)

Chapter 5. Configuration Menu

5-8 TDU 120e User Manual 61202156L1-1

Inband Loopback

Sets unit to accept or reject the network interface loop-up and

loop-down codes as defined in ANSI T1.403.

Choices: Accept or Reject.

Bit Stuffing

When enabled, bit stuffing causes the TDU 120e to monitor

for ones (1s) density violations and insert a one (1) when

needed to maintain 1s at 12.5%.

Choices: Enable or Disable.

Unit Menu

The U

NIT

menu changes the baud rate of the Control In port

and the setup of the Dial Out port.

The menu items are:

Control Port Rate

Sets the baud rate for communication with the PC or modem.

Choices: 1200, 2400, 9600, 19200, and 38400 kbps.

Traps

Enables or disables the transmission of trap messages.

Choices: Enable and Disable

Access

Sets the method of connection from the TDU 120e to T-Watch

or SNMP.

Choices:

Direct - Used if connected directly to the PC.

Dial - Used when connection is through a modem. The dial

string is entered from T-Watch or SNMP.

In order to activate the -36 dB receiver sensitivity, the LBO

should be set to AUTO. This feature is useful in a point-to-point

application where no network elements are involved. If a network

element such as a Smart Jack is installed on the circuit, the LBO

should be set to 0 dB.

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ADTRAN 1202156L1 Manuale Utente Pagina 68