Chapter 6. DTE Port Configuration

PPP Async Protocol

The PPP Async Protocol functions the same as the PPP Synchro- nous Protocol except for the port is in async format, connected to an async device. Special control characters are used to deter- mine frame boundaries for the async channel. See Figure 6-10 for the PPP Asynchronous menu tree.

Routing

Routing tables are formed through a combination of RIP and static route entries. If RIP is used, all routing tables are gener- ated dynamically. With static routing, the user is able to force relationships. Static route tables are configured through the IP Routing selection in the CONFIG menu.

Static routing requires additional configuration (see the chapter IP

Routing for more information).

Physical Layer Options

Interface Type (CONN)

Select the connector type for the DTE interface. The choices are

V.35 and RS-232.

Asynchronous Bit Rate (BIT RATE)

Select the operating speed of the DTE interface to match the connected device. The selections are 2400 bps, 4800 bps, 9600 bps, 19.2 kbps, and 38.3 kbps.

Data Bits

Select the byte length to match the connected asynchronous device. The choices are 7 and 8.

Parity

Select even, odd, or no parity information. Set to match the connected asynchronous device.

Stop Bits

Select one or two stop bits. Set to match the connected asynchro- nous device.

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ADTRAN 1200130L1, 1200130L2 user manual PPP Async Protocol