Netopia Router PN Series Reference Manual page 23

Permanent circuit only
Permanent circuit only
Configuring ISDN and Leased Line Connections
The DDS Line Configuration screen appears for DDS leased line
models (with an internal CSU/DSU connection). See
Line configuration for an SA/Serial line
The Serial Line Configuration screen is where you enter the
configuration parameters for your leased line, in order for the
Netopia Router to communicate with the physical connection. Use
the information in the Leased Line worksheet in the Getting Started
Guide , as a reference when specifying this configuration
information.
Circuit Type...
Data Rate (kbps)...
Invert Tx Clock:
Circuit Activation Requires...
Data Link Encapsulation...
Enter Information supplied to you by your telephone company.
1. Select Circuit Type and select Permanent Sync or Switched
Async. If you select permanent sync, continue with Step 2. If
you select Switched Async, skip to Step 6.
2. Select Data Rate (kbps) and press Return. From the pop-up
menu, select a fixed data rate for your digital line or select
Auto. (The data rates to choose from range from 56 kbps to the
highest synchronized line speed.) The Auto setting allows your
Netopia Router to determine the data rate of your serial line at
the time of circuit activation. Press Return.
3. Select Invert Tx Clock and toggle to Yes or No depending on
whether you use this selection. Press Return.
Invert Tx Clock causes transmitted data to be delayed by half a
clock phase. This option is useful for X.21 DTEs (Data Terminal
Serial Line Configuration
Permanent Sync
64
No
DCD and DSR
Frame Relay
2-7
page 2-12.