Digi 9XCite-PKG Manual descargar pdf (Pagina 6)

9XCite‐PKG‐R™RS‐232/485RFModem–ProductManualv2.1[2007.01.04]

©2007MaxStream,Inc.

1.3. External Interface

Figure1‐03. DIPSwitchSettings

1-01a. Power Switch

Figure1‐01. FrontView

Move Power Switch to the ON (up) position to power the XCite RS-

232/485 RF Modem.

1-01b. I/O & Power LEDs

LEDs indicate modem activity as follows:

Yellow (top LED) = Serial Data Out (to host)

Green (middle) = Serial Data In (from host)

Red (bottom) = Power/TX Indicator (Red light is on when

powered; it pulses on/off briefly during RF transmission.)

1-01c. DB-9 Serial Port

Standard female RS-232 (DB-9) DCE connector - Port is also used for

RS-485 and RS-422 connections.

1-01d. Power Connector*

7-18 VDC Power Connector (Center positive, 5.5/2.1 mm) - Power

can also be supplied through Pin 9 of the serial port.

1-02a. DIP Switch

Figure1‐02. BackView DIP Switch automatically configures the XCite Module to operate in

different modes. Each time the RF modem is powered-on, intelligence

on the XIB-R interface board programs the embedded module accord-

ing to the positions of the DIP Switch. [See the figure below for DIP

Switch settings.]

In cases where AT Commands should not be sent each time the RF

Modem is powered on, the processor must be disabled by populating

J7 on the interface board. [See "Automatic DIP Switch Configura-

tions" section for more information].

1-02b. Config (Configuration) Switch

Configuration Switch provides an alternate way to enter "AT Com-

mand Mode". To enter "AT Command Mode" at the RF modem's

default baud rate, hold the Configuration Switch down while powering

on the modem using the Power Switch.

1-02c. Antenna Port

This port is a 50 Ohm RF signal connector for connecting to an RPSMA

(Reverse Polarity SMA) type antenna. The RPSMA has threads on the

outside of a barrel and a male center conductor.

1‐01a. Power

Switch

1‐01b. LEDs:

Yellow(top)

Green(middle)

Red(bottom)

1‐01c. DB‐9

Serial Port

1‐01d. Power

Connector

1‐02a.DIP

Switch

1‐02b. Configuration

Switch

1‐02c. Antenna

Port

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