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Chapter 8. Dial Backup Configuration

8-8 IQ Probe User Manual 61200214L1-20

Number of B-Channels (NUM B-CHANNELS)

Select the number of B-channels supported by the ISDN service. Select 2 if

bonding is used.

SPID 1 and 2

For ISDN dial backup, enter the service profile identifier (SPID) for both

B-channels. The SPID is a sequence of digits identifying ISDN terminal

equipment to the ISDN switch when more than one ISDN set has been at-

tached to the same central office line. The SPID is assigned by the telco

when the ISDN line is installed and normally resembles the phone num-

ber.

Only the Lucent 5ESS switch is capable of recognizing a point-to-point

configuration, eliminating the need for a SPID. All other switch types re-

quire a SPID.

LDN 1 and 2

For ISDN dial backup, enter the LDN for both B-channels.

DCE Options

The DCE O

PTIONS

field is available when the External DCE option card is

installed.

Interface Type

Select the connector type for the DCE interface. The choices are EIA-232

and V.35.

DBU Bit Rate

Set to the operating speed of the DBU interface (0-2048 kbps) to ensure ac-

curate statistical information.

Call Screening

If C

ALL

CREENING

is set to E

NABLE

, the IQ Probe will accept only incom-

ing calls from the numbers entered in the number 1 through 5 fields. Calls

from any other number or from an unidentifiable number are rejected.

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ADTRAN 1200214L1 Especificaciones Pagina 98