Hayes Microcomputer Products DIVA T/A ISDN - Manual (Page 44)

DIVA T/A ISDN Modem User’s Guide 44
Configure the BACP options you want implemented on your DIVA
T/A. Use the table below as a guideline.
Parameter Description
BACP/BOD
(Bandwidth
Allocation
Control
Protocol/
Bandwidth on
Demand)
Note: Only applicable if your ISDN connection
protocol is Multilink PPP.
Activates the DIVA T/A's automatic traffic
monitor for Multilink PPP connections. When
activated, this DIVA T/A function monitors the
send-and-receive traffic volume.
Without AO/DI support: BACP opens or
closes the second B-channel as the traffic
volume warrants. Activate this function to
ensure that two B-channels are never active
when one is sufficient.
With AO/DI support: when additional
bandwidth is required, BACP automatically
adds B-channels of 64 Kbps each (for a total of
128 Kbps speed when both B-channels are in
use) to the connection. When the additional
bandwidth is no longer required, one or both B-
channels are dropped, leaving the D-channel
connection in place.
Note: Be sure to configure the Cost Reduction
Timers to avoid numerous first interval charges.
If you select BACP, but do not set the Cost
Reduction Timers, you could incur unnecessary
expense as your second B-channel might open
and close frequently, costing you the first-
interval amount each time the second B-channel
connects.
Default: BACP/BOD disabled
ISDN Cost
Reduction
Timers Note: Only applicable if your ISDN connection
protocol is Multilink PPP.
Note: You must activate BACP/BOD before
setting the timers.
Set these timers if your ISDN Service Provider
charges one rate for the first interval of time on-
line (a fixed period, for example the first 5
minutes), and a different rate for subsequent
time on-line. Setting these timers ensures your
second B-channel is used most economically.