Adtran 1200070L1 Manual de usuario descargar pdf (Pagina 54)

Chapter 3: Terminal Menu Operation and Structure

38 Express XL/XLT User Manual 61200.070L1-1

Dial Line/LDN 1 or 2

Write security: 2; Read security: 5

This option allows the entry of 0, 1, or 2 LDNs. The LDN is used when placing

or receiving calls. The LDN is the local phone number assigned to the line.

LDN 1 = 5 5 5 1 2 1 2

LDN 2 = 5 5 5 1 2 1 3

Disconnect the network interface from the unit before initially entering or altering the

SPIDs and LDNs.

ISDN/Leased Line

Write security: 2; Read security: 5

Leased Line parameters are entered under this menu. Leased mode would be

used for permanent circuits.

Leased Line/Clock Mode

Write security: 2; Read security: 5

The clock mode determines which unit will supply the clock for synchroniza-

tion. If the two units are connected through channel banks, both units should

be configured for Slave mode.

Slave (def) Timing is derived from the master unit.

Master Timing is derived from this unit.

Leased Line/Channel Rate

Write security: 2; Read security: 5

64k Only B1 is used.

2x64k B1 and B2 go to different locations.

128k (def) B1 and B2 are used together.

144k B1, B2 and D are used together.

ISDN/NEBEs

Read security: 5

This contains the number of Near-End-Block-Errors (NEBEs) that have been

detected by the Express XL/XLT’s ISDN circuitry. Continuous errors can in-

dicate a line problem, but a burst at one time is normal.

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Adtran 1200070L1 Manual de usuario Pagina 54