3. Configuration Options
9000-A2-GB31-00 December 2002 3-25
IDSL Network Interface

FrameSaver Model 9720 has an IDSL network interface.

Table 3-10. IDSL Network Physical Interface Options

Operating Rate
Possible Settings: AutoRate, 64, 128, 144
Default Setting: AutoRate
Specifies the IDSL line rate.
AutoRate – The line rate is automatically detected when the frame relay LMI is brought
up on one or both channels.
64 – The line rate is 64 kbps. One B channel is used for the data transfer, and automatic
rate detection is disabled.
128 – The line rate is 128 kbps. Both B channels are used for the data transfer, and
automatic rate detection is disabled.
144 – The line rate is 144 kbps. Both B channels are used for the data transfer, and
automatic rate detection is disabled.
Channel
Possible Settings: B1, B2
Default Setting: B1
Specifies the B channel used for data transfer when the line rate is 64 kbps.
Display Conditions – Channel appears only when Operating Rate is set to 64.
B1 – The B1 channel is used for data transfer.
B2 – The B2 channel is used for data transfer.