MaxStream 9XTend-PKG-E Manual Pagina 6

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9XTend‐PKG‐R™RS‐232/485RFModem–ProductManualv1.2.4
©2005MaxStream,Inc.ConfidentialandProprietary 6
1.3. XTend-PKG-R Interface
1-01a. Config (Configuration) Switch
Figure1‐01. FrontView
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 and pulses off briefly during RF transmission)
1-01c. Serial Port
Standard female DB-9 (RS-232) DCE connector – Connector can be
also used for RS-485 and RS-422 connections.
1-01d. RSSI LEDs
RSSI LEDs indicate the amount of fade margin present in an active
wireless link. Fade margin is the difference between the incoming
signal strength and the modem’s receiver sensitivity.
3 LEDs ON = Very Strong Signal (> 30 dB fade margin)
2 LEDs ON = Strong Signal (> 20 dB fade margin)
1 LED ON = Moderate Signal (> 10 dB fade margin)
0 LED ON = Weak Signal (< 10 dB fade margin)
1-01e. Power Connector *
7-28 VDC Power Connector.
1-02a. DIP Switch
The Configuration Switch provides an alternate method for
entering into Command Mode. To enter Command Mode at the
default RF data rate of the RF modem, depress the Config
Switch for two seconds.
1‐01c.SerialPort
1‐01d.RSSILEDs
1‐01b.I/O&PowerLEDs
1‐01e.PowerConnector*
1‐01a.ConfigSwitch
*Note:TheXTendRFModemcanaccept
voltagesaslowas5(±5%)V.
ContactMaxStreamtechnicalsupport
(801)765‐9885toimplementthisoption.
Figure1‐02. BackView
1-02b. Antenna Port
Port is a 50Ω RF signal connector for connecting to an external
antenna. The connector type is RPSMA (Reverse Polarity SMA)
female. The connector has threads on the outside of a barrel and a
male center conductor.
During the power-on sequence, the DIP Switch automatically
configures the XTend Modem to operate in different modes.
Each time the RF modem is powered-on, intelligence inside the
XTend RF Modem programs the modem according to the
positions of the DIP Switch. [Refer to Figure 1-03 for DIP
Switch settings].
1‐02a.DIPSwitch
1‐02b.AntennaPort
Figure1‐03. DIPSwitchSettings
Refertotableinthe
“AutomaticDIPSwitch
Configurations”section
[p20]forinformationabout
configurationstriggeredby
theDIPSwitch.
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