ADTRAN TSU LT User Manual download pdf (Page 44)

Chapter 5 Config Menu TSU LT User Manual

PORT MENU

Use this menu to select and configure the parameters associated with the V.35 port.

TEL NUM

Sets the telephone number to be dialed to send alarm traps. The string can be up to 20

characters in length and is terminated with a semicolon (;) as the last character. A

colon (:) character is used to represent a pause in the dial string.

For example, for number 9:5551212; dial 9, pause momentarily and then dial

5551212. This pause could be necessary to access an outside line, such as a PBX.

When editing a specific character, the arrows are used to scroll from 0 to 9, then colon

(:) and semicolon (;). The new telephone number is entered into the TSU LT only after

typing the semicolon and pressing

NTER

Choices: 20 digits (

0-9, :, and ;)

The ALARM > TEL NUM menu only accepts the typed digits after pressing E

NTER

RATE 56/64

Sets the base rate of the interface. The actual data rate depends on the number of

DS0s assigned to the Nx port. The DTE data rate versus the number of DS0s appears

in Appendix B, DTE Data Rate Chart, on page 57.

Choices: 56K, 64K

CHANNELS

Sets the unit to use A

LTERNATE

or C

ONTIGUOUS

channels in the T1 data stream. If

more than 12 channels are used, then

ONTIGUOUS

must be used. Otherwise,

LTERNATE

channels may be used to meet pulse density requirements (this is only

necessary for Nx 64 without B8ZS). If other than a private network, the carrier must

be notified of this choice.

Choices: ALT (alternate), CONT (contiguous)

DTE TX CLK

Controls the clock used by the TSU LT to accept the transmit (TX) data from the

DTE. Most applications will allow for this to be set to

NTERNAL

. If the interface

cable is long (causing a phase shift in the data) the clock can be selected as

-I

(Internal/Inverted - the factory default setting). This switches the phase of the clock

which should compensate for a long cable.

The

UTO

setting allows the TSU LT to automatically detect the delay from the DTE

device to the TSU LT and set the proper phase of the clock. This feature

automatically selects between the

NTERNAL

and I

-I

settings. If the DTE

provides a clock with TX data, the clock selection is set to

XTERNAL

. The TSU LT

depends on an externally supplied clock to accept the TX data.

Choices: INT-INV, INTERNAL, EXTERNAL, AUTO

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 63 64

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ADTRAN TSU LT User Manual Page 44

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