
Chapter 8. Dial Backup Configuration
61200214L1-20 IQ Probe User Manual 8-7
DBU Card Configuration Options
The following selections are dependent upon the type of DBU card in-
stalled (if any). If no card is installed or if the 4-Wire SW56 card is installed,
the selections in this section do not appear.
Modem Options
The M
ODEM
O
PTIONS
field is available when the V.34 DBU card is installed.
Tone/Pulse
Select the dialing method for the dial backup service.
Max Baud Rate
This sets the maximum rate at which the call will connect.
Choices: 2400, 4800, 7200, 9600, 12000, 14400, 16800, 19200, 21600, 24000,
26400, 28800, 31200, 33600.
Sync/ Async
Set to S
YNC
if the unit is connecting to another IQ unit. Set to A
SYNC
if the
unit is connecting to an ATLAS.
ISDN Options
The ISDN O
PTIONS
field is available when the ISDN DBU card is installed.
Switch Type
Select which type of telco switch is providing the ISDN service. There are
four options for ISDN switch types:
•Lucent 5ESS
•DMS100
•National
•NEC
B-Channel Bit Rate (B-CH BIT RATE)
Select the channel bit rate for the ISDN service. Select 64k unless your ser-
vice only provides 56k.
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