Dbu Card Options; Isdn Dbu Card - ADTRAN Express 5200 User Manual

Frame relay service unit
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Express 5200 encounters a busy or reorder, it attempts to establish
the call the specified number of times. The factory default setting
is 5.
Wait to Redial
This option works in conjunction with the preceding R
C
OUNTER
connect the backup line. The amount of time, which is manually
entered, can be up to 99 seconds. The factory default setting is 10
seconds.

DBU Card Options

ISDN DBU Card

When an ISDN DBU interface card is installed, select ISDN
O
PTIONS
Switch Type
Select which type of telco CO switch is providing your ISDN
service. There are four switch options: L
N
ATIONAL
B-Channel Bit Rate
Select the channel bit rate for the ISDN service. Select 64
your service only provides 56
SPID
Enter the service profile identifier ( SPID ) into this field. The SPID
is a sequence of digits identifying ISDN terminal equipment to the
ISDN switch when more than one ISDN set has been attached to
the same central office line. The SPID is assigned by the telco when
the ISDN line is installed and normally resembles the phone
number.
Only the Lucent 5ESS switch is capable of recognizing a point-to-
point configuration, eliminating the need for a SPID . All other
switch types require a SPID .
LDN
Enter the LDN . This number is assigned by the telco when the
ISDN line is installed.
61202175L1-1
. It selects the amount of time between redial attempts to
to access the following ISDN configuration parameters:
, and NEC
K
Express 5200 User Manual
Chapter 9. Dial Backup Configuration
5ESS , DMS 100 ,
UCENT
.
EDIAL
unless
K
9-5

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