Patton electronic SmartNode 4110 Series User Manual
Introduction
171
SmartWare Software Configuration Guide
14 • Serial port configuration
Introduction
This chapter provides an overview of the serial port and describes the tasks involved in its configuration
includes the following sections:
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.
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.
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.
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 hardware port protocol (see
•
Configuring the active clock edge (see
•
Configuring the baudrate
Disabling an interface
Before you replace a compact serial cable or attach your SmartNode to other serial equipment, use the
shutdown
command to disable the serial interfaces. This prevents anomalies and hardware faults. When you
shut down an interface, it has the state CLOSED in the
show port serial
command display.
Note
Use the
no shutdown
command to enable the serial interface after the con-
figuration procedure.
This procedure describes how to shut down a serial interface
Mode: Administrator execution
Step
Command
Purpose
1
node(cfg)#port serial slot port
Selects the serial interface on slot and port
2
node(prt-ser)[slot/port]#shutdown
Shuts the selected interface down
3
node(prt-ser)[slot/port]#show port serial Displays the serial interface configuration.