HP X09 Manuel télécharger pdf (Page 6)

XStream‐PKG‐E™EthernetRFModem–ProductManualv5.x00[2006.02.24]

1.3. External Interface

1.3.1. Front and Back Views

1-01a. Power Switch

Figure1‐01. FrontView

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. 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)

1-01d. 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. Reset Switch

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

XStream PKG-E Ethernet RF Modem.

1‐01e.Power

Connector*

1‐01d.RJ‐45Port

1‐01b.I/O&PowerLEDs

1‐01c.RSSILEDs(allgreen)

1‐01a.PowerSwitch

* The Ethernet RF Modem does not support

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

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 part devices available that

can inject the power onto the cable and then

remove it at the remote side.

Figure1‐02. BackView

1-02b. Antenna Port

Antenna Port is a 50 Ω RF signal connector for connecting to an

external antenna. Connector type is Reverse Polarity (RPSMA)

female. The RPSMA has threads on the outside of a barrel and a

male center conductor.

1-02c. Config (Configuration) Switch

The Config Switch provides an alternate way to enter AT Command

Mode.

To enter Command Mode at the Modem’s default baud rate:

Simultaneously press the Reset [1-02a] and Config switches;

release the Reset Switch; then after 1 sec., release the Config

Switch. The RF Modem then enters AT Command Mode at the

modem’s default baud rate.

Reset Switch forces the RF Modem to reset (or re-boot).

1‐02c.Config

Switch

1‐02a.ResetSwitch

1‐02b.AntennaPort

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HP X09 Manuel Page 6

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