ADTRAN 1200212L1, User Manual

Page: 97 / 172

Chapter 8. Dial Backup Configuration
61200212L1-1 DSU IQ User Manual 8-7
Modem Options
The M
ODEM
O
PTIONS
field is available when the V.34 DBU card is
installed. The following options are available.
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. The following options are available:
Switch Type
Select which type of telco CO switch is providing the ISDN service.
There are four options for ISDN switch types:
• AT&T 5ESS
• DMS100
• N
ATIONAL
• NEC
B-Channel Bit Rate (B-CH BIT RATE)
Select the channel bit rate for the ISDN service. Select 64
K
unless
your service only provides 56
K
.