MaxStream 9XTend-PKG-E Manuel télécharger pdf (Page 6)

9XTend‐PKG‐E™EthernetRFModem–ProductManualv2.x4x[2007.01.04]

©2007MaxStream,Inc.,Confidential&Proprietary‐AllRightsReserved 6

1.3. External Interface

1-01a. Power Switch

Figure1‐01. FrontView

Move Power Switch to the ON (up) position to power the XTend

Ethernet 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. RSSI LEDs

RSSI LEDs indicate the amount of fade margin present in an active

wireless link. Fade margin is defined as 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)

1-01d. RJ-45 Ethernet Port

Standard Female RJ-45 connector is used to connect unshielded

twisted-pair CAT5 cabling.

1-01e. Power Connector*

7-28 VDC power connector

1-02a. Antenna Port

Figure1‐02. BackView The antenna 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.

1-02b. Reset Switch

The Reset Switch is used to reset (re-boot) the RF modem and force

the modem into AT Command Mode.

To reset (re-boot) the modem: Press and then immediately release

the Reset Switch.

To force the modem into AT Command Mode (at the default through-

put data rate of the modem): Press the Reset Switch and keep it

depressed for at least two seconds, then release.

1‐01a.

PowerSwitch

1‐01b.

I/O&PowerLEDs

1‐01c.

RSSILEDs(allgr ee n)

1‐01d.RJ‐45port

1‐01e.

Power

Connector*

*TheEthernetRFModemdoesnotsup‐

portPower‐over‐Ethernet(PoE).The

devicecannotbepowereddirectlyfroma

PoEportonacompatiblehub.

However,itmaybeusefultosendpower

ontheunusedwiresoftheCAT‐5cablein

asituationwheretheradiowill

be

mountedinalocationthatoptimizesradio

coverage,butmaynothaveapoweroutlet

nearby.Thereareseveralthirdparty

devicesavailablethatcaninjectthepower

ontothecableandthenremoveitatthe

remoteside.

1‐02a.

Anten n aPort

1‐02b.

ResetSwitch

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MaxStream 9XTend-PKG-E Manuel Page 6

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