ADTRAN 1200063L1, Manual

Page: 96 / 137

Chapter 9. Configuring Dial Options
9-6 DSU III TDM User Manual 61200063L1-20
Wait to Redial
This option works in conjunction with the preceding Redial Counter, set-
ting the amount of time between redial attempts to connect the backup
line. The maximum time, which is manually entered, is 99 seconds. The
factory default setting is 10 seconds
.
2-Wire and 4-Wire Dial Backup Options
Network Type
This option selects the company providing the Switched Digital Service.
When US Sprint is selected, an automatic Echo Canceller tone is emitted
by the DSU III TDM when dialing. Options include: AT&T/MCI/Other
and US Sprint.
V.32 bis Dial Backup Options
Error Control
This option determines the type of error control to be negotiated at the
start of a V.32 bis modem connection. The factory default setting is
B
UFF
-
ERED
. The options are described as follows:
WAIT TO REDIAL
TIME: __ __ SEC
Buffered Normal operation. No error control. Allows
speed matching, buffering, and flow control.
Direct Direct operation. No error control, no buffer,
and no flow control.
Reliable MNP Reliable MNP operation. Uses MNP error
control.
Auto MNP Auto-reliable MNP operation. Tries MNP error
control first; uses normal operation if necessary.
Reliable V.42 Reliable V.42 (LAPM) operation. Uses V.42
(LAPM) error control; if V.42 (LAPM) error
control cannot be used the call is disconnected.