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SmartWare Software Configuration Guide
Introduction
This chapter provides an overview of the serial port and describes the tasks involved in its configuration
includes the following sections:
•
Serial port configuration task list
•
Configuration tasks
•
Examples
The V.35 standard is recommended for speeds up to 48 kbps, although in practice it is used successfully at 4
Mbps. The X.21 standard is recommended for data interfaces transmitting at rates up to 2 Mbps and is used
primarily in Europe and Japan.
The synchronous serial interface supports full-duplex operation and allows interconnection to various serial
network interface cards or equipment. Refer to the getting started guide included with your SmartWare for
specific information regarding the connector pinout and the selection of cables to connect with third-party
equipment.
Frame Relay protocol is supported on the synchronous serial interface. Frame Relay is an example of a packet-
switched technology. Packet-switched networks enable end stations to dynamically share the network medium
and the available bandwidth. Variable-length packets are used for more efficient and flexible transfers. These
packets are then switched between the various network segments until the destination is reached. Statistical
multiplexing techniques control network access in a packet-switched network. The advantage of this technique
is that it provides more flexibility and more efficient use of bandwidth.
Serial port configuration task list
Perform the tasks in the following sections to configure a synchronous serial interface:
•
Disabling an interface (see
•
Enabling an interface (see
•
Configuring the serial encapsulation type (see
•
Configuring the hardware port protocol (see
•
Configuring the active clock edge (see
•
Entering Frame Relay mode (see
•
Configuring the LMI type (see
•
Configuring the keep-alive interval (see
•
Enabling fragmentation (see
•
Entering Frame Relay PVC configuration mode (see
•
Configuring the PVC encapsulation type (see
•
Binding the Frame Relay PVC to IP interface (see
•
Disabling a Frame Relay PVC (see
•
Displaying Frame Relay information (see
Introduction
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14 • Serial port configuration
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Troubleshooting
