Utilicom LongRanger 2050 User manual

SPREAD SPECTRUM COMMUNICATIONS
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TILI O
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LongRanger 2050
Operator’s Manual
PRELIMINARY
18 October 1999

LongRanger 2050 Operator’s Manual ii
FCC Notice
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide rea-
sonable protection against harmful interference in a residential installation. This equip-
ment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio com-
munications. However, there is no guarantee that interference will not occur in a particu-
lar installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved in writing by Utilicom Inc. may void the
user’s authority to operate this equipment. Utilicom can not accept any financial or other
responsibilities that may be the result of your use of this information, including direct, indi-
rect, special, or consequential damages. There are no warranties extended or granted by
this document. Refer to separate warranty documents for product warranty coverage and
specifics.

LongRanger 2050 Operator’s Manual iii
TABLE OF CONTENTS
1 INTRODUCTION.................................................................................................................................1
2 SPECIFICATIONS...............................................................................................................................2
3 INDOOR UNIT.....................................................................................................................................3
3.1 FRONT PANEL ..................................................................................................................................3
3.2 REAR PANEL....................................................................................................................................4
4 OUTDOOR UNIT.................................................................................................................................6
5 INITIAL INSTALLATION.................................................................................................................7
6 COMMANDS........................................................................................................................................8
6.1 COMMAND SYNTAX .........................................................................................................................9
6.2 RADIO CONFIGURATIONS...............................................................................................................10
6.3 EDIT CONFIGURATION COMMANDS ................................................................................................11
6.4 CONSOLE REDIRECTION COMMANDS.............................................................................................15
6.5 RADIO TEST AND MONITORING COMMANDS .................................................................................16
6.6 MISCELLANEOUS COMMANDS........................................................................................................17

1INTRODUCTION
The LongRanger 2050 is a Spread Spectrum radio operating in the “Industrial Scientific and
Medical” (ISM) band from 2.400GHz to 2.4835 GHz. It provide a wireless, synchronous full
duplex, point to point communications at a variety of speeds up to 768 Kbps. Spread Spectrum
technology allows operation without a license with output power of up to 28 dBm.
The LongRanger 2050 architecture separates the radio into two distinct sections: an Indoor Unit
that interfaces with the user equipment, and a watertight Outdoor Unit, which is typically
mounted in close proximity to the antenna. The two units are connected with a single coaxial
cable, carrying the following signals:
1. DC voltage to power up the Outdoor Unit.
2. Reference frequency for the Outdoor Unit frequency synthesizer.
3. Encoded control signals to select the transmit/receive channels, calibration and built in test
functions of the outdoor unit.
4. Intermediate Frequency (transmit and receive))
The cable connecting the Indoor and Outdoor unit can be an inexpensive coaxial cable since the
Intermediate Frequency in the cable operates at 325 MHz.

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2SPECIFICATIONS
RF Specifications
RF Frequency Band 2.400GHz to 2.4835 GHz
RF Signal Bandwidth 13.8 MHz
RF Channels Center frequency programmable in 512 KHz steps
Transmitter Output Power Up to 28 dBm (programmable)
Modulation Type BPSK or QPSK (programmable), direct sequence spread spectrum
PN Code rate 9.216 Mchip/sec
PN Code Lengths 11, 15, 31 or 63 (programmable)
RF Data Rates (one way) 146 Kbps to 1676 Kbps (see table below)
Receiver Sensitivity (10-6 BER) -95 dBm (@ 146 Kpbs)
-84 dBm (@ 1676 Kbps)
Transmit/Receive Turnaround < 150 us
Data Interfaces
Command Port RS-232 (DE9 connector)
Primary Serial Data Port RS-232/EIA530/V.35 (DB25 connector)
Ethernet Port 10 BaseT
Echelon LONWORKS RJ-45 Connector
Diagnostic Port RS-232 (DE9 internal connector)
Power Requirements
Input Voltage +9 to +16 Volts DC (External AC adapter available)
Power Consumption 15 Watts maximum
Operating Temperature -40 to +70 Degrees C
Mechanical:
Indoor Unit Dimensions 6.8” wide x 2.3” high x 8.3” deep
Indoor Unit Weight 40 oz.
Up/Down Converter Dimensions 5.9” diameter x 1.75” high
Up/Down Converter Weight 48 oz.
One Way RF Data Rates (Kbps)
PN Code Length
11 15 31 63
BPSK 838 614 297 146
QPSK 1676 1229

LongRanger 2050 Operator’s Manual 3
3INDOOR UNIT
3.1 Front Panel
The LongRanger 2050 front panel is shown in the figure below. The front panel includes fifteen
Light Emitting Diodes (LED’s) described in the following table.
Front Panel LED’s
LED Color Function
POWER Green Lights up when the unit power is applied to the power connector
LINK Green Indicates that the RF link and data link to the user Data Terminal
Equipment is active and operational.
ALARM Red When lit indicates that an alarm condition (link dropped) has
occurred. It can be cleared with a console command.
RADIO Tx Amber Lights up when the radio is transmitting over RF
RADIO Rx Green Lights up when the radio is receiving over RF
SERIAL Tx Amber Lights up when data is being output by the radio over the Data port
in the radio rear panel
SERIAL Rx Green Lights up when data is being received by the radio over the Data
port in the radio rear panel
ANTENNA A Green Indicates that the radio is currently utilizing the antenna A port in
the Outdoor Unit
ANTENNA B Green Indicates that the radio is currently utilizing the antenna B port in
the Outdoor Unit

LongRanger 2050 Operator’s Manual 4
3.2 Rear Panel
The LongRanger 2050 rear panel is shown in the figure below. It includes seven connectors
described in the following table
Indoor Unit Rear Panel Connectors
Connector Type Function
DATA PORT DB25
Female Data port to be connected to the Data Terminal Equipment. This port can be software configured to operate in RS-232,
EIA-530 or V.35 modes. The pin assignments are standard
Data Communication Equipment (DCE) shown in the
following table.
AUXILIARY
PORT DE9 Female The auxiliary port is used to configure and monitor the radio operation. It operates in RS-232 mode and is wired as a
standard DCE. This port should be connected to a terminal or
a PC running a terminal emulation mode. The baud rate
defaults to 9600 baud.
POWER Power jack to be connected to the external power supply.
ETHERNET RJ45
10 Base T Connection to an Ethernet LAN used for network management purposes.
SYNC BNC Synchronization signal to synchronize the RF transmissions
of collocated units.
OUTDOOR
UNIT TNC Intermediate Frequency and control signals to the Outdoor Unit. It must be connected through a coaxial cable to the
corresponding connector in the Outdoor Unit.
GND Chassis ground to be wired to the Earth ground.

LongRanger 2050 Operator’s Manual 5
The Data Port connector pin assignments, for each of the programmable modes, is sjhown in the
following table:
Data Port Connector (DB25) Pin Assignments
Pin Assignment
Signal Name Abbr. RS-232 EIA 530 V.35 Direction
Protective Ground GND 1 1 1
Transmitted Data TD 2 (A) 2
(B) 14 (A) 2 (B) 14 DTE to radio
Received Data RD 3 (A) 3
(B) 16 (A) 3 (B) 16 radio to DTE
Request to Send RTS 4 (A) 4
(B) 19 4 DTE to radio
Clear to Send CTS 5 (A) 5
(B) 13 5 radio to DTE
Data Set Ready DSR 6 (A) 6
(B) 22 6 radio to DTE
Signal Ground SG 7 7 7
Carrier Detect CD 8 (A) 8
(B) 10 8 radio to DTE
Synchronous Transmit Clock STC 15 (A) 15
(B) 12 (A) 15 (B) 12 radio to DTE
Synchronous Receive Clock SRC 17 (A) 17
(B) 9 (A) 17 (B) 9 radio to DTE
Data Terminal Ready DTR 20 (A) 20
(B) 23 20 DTE to radio
Synchronous External Clock 24 (A) 24
(B) 11 (A) 24 (B) 11 DTE to radio

LongRanger 2050 Operator’s Manual 6
4OUTDOOR UNIT
The Outdoor Unit is a 6 inch diameter round unit with four connectors along its side. The unit is
environmentally sealed and it is intended to be mounted in close proximity to the antenna. Figure
2 shows the outline of the outdoor unit and identifies the four connectors. The unit is typically
mounted with the TNC connector pointing down as shown in the figure.
Outdoor Unit Connectors
Connector Type Use
Antenna A N 2.4 GHz RF connection to the primary antenna. When a single
antenna is used, antenna A is the default.
Indoor Unit TNC Intermediate Frequency and control signals. This must be
connected to an indoor unit using a coaxial cable
Antenna B N 2.4 GHz RF connection to an alternate antenna.
Test BNC Test connector to be used as an antenna alignment aid

LongRanger 2050 Operator’s Manual 7
5INITIAL INSTALLATION
The LongRanger 2050 units are shipped pre-configured to operate in synchronous mode at 384
Kbps with internal timing (clocks supplied by the radios). It is recommended to perform the
initial check out on the bench before a field installation. For initial check out perform the
following steps:
1. Connect the Indoor units Auxiliary Port to a terminal, or a PC running a terminal emulation
program. Configure the terminal settings as follows:
Baud rate: 9600
Parity: none
Word length: 8 bits
2. Connect each indoor unit Data Port to the appropriate Data Terminal Equipment.
3. Connect each Indoor Unit to the respective Outdoor Unit using a coaxial cable with male
TNC connectors at both ends.
4. Connect the Outdoor Units Antenna A port (N type connector) to an appropriate 2.4 GHz
band antenna using a coaxial cable.
5. Connect the Indoor Unit power connector to the external power supply. Make sure that the
power supply is rated for the appropriate voltage (110 or 220 Vac).
6. Connect the power supplies to the power outlet.
7. After initial power up, the units output the prompt “local>” to the respective terminals. Set
one radio to the default “factory-master” configuration by typing the following command:
local> apply fm
8. Set the second radio to the default “factory-slave” configuration by typing the following
command:
local> apply fs
9. If there is an RF path between the two units, the RADIO LED’s in both indoor units will light
up indicating that they have established an RF link.
10. The terminal at each end can be used to further modify the radios operating parameters and
monitor the link performance. The following section describes the command language used to
perform those functions.