NXR-900/ NXR-901
800MHz DIGITAL BASE-REPEATER/ 900MHz DIGITAL BASE-REPEATER
INSTRUCTION MANUAL
BASE-RELAIS NUMÉRIQUE 800MHz/ BASE-RELAIS NUMÉRIQUE 900MHz
MODE D'EMPLOI
BASE-REPETIDOR DIGITAL 800MHz/ BASE-REPETIDOR DIGITAL 900MHz
MANUAL DE INSTRUCCTIONES
© B62-2410-00 (K)
09 08 07 06 05 04 03 02 01 00
NXR-900/ NXR-901 INSTRUCTION MANUAL
800MHz DIGITAL BASE-REPEATER/ 900MHz DIGITAL BASE-REPEATER
THANK YOU!
We are grateful you purchased this
Kenwood
believe this easy-to-program repeater will be highly effective in
your communications system, and will keep personnel operating
at peak efficiency.
Kenwood
incorporates the latest in advanced technology into
all of our products. As a result, we feel strongly that you will be
pleased with the quality and features of this product.
PRECAUTIONS
• Do not expose the unit to rain or moisture; to prevent fire or
electric shock.
• Do not open the unit under any circumstances; to avoid risk
of electric shock.
• Do not expose the unit to long periods of direct sunlight, nor
place it close to heating appliances.
• Do not place the unit in excessively dusty and/or humid
areas, nor on unstable surfaces.
• If you detect an abnormal odor or smoke coming from the
unit, disconnect the power from the unit immediately. Contact
your
Kenwood
service center or dealer.
NOTICES TO THE USER
Government law prohibits the operation of unlicensed radio
◆
transmitters within the territories under government control.
Illegal operation is punishable by fine and/or imprisonment.
◆
Refer service to qualified technicians only.
◆
repeater. We
This repeater is intended for use as a fixed base station with
◆
the antenna located outdoors on the rooftop or on an antenna
tower. (except USA and Canada)
This repeater is designed for a 13.8 V DC power source!
◆
Never use a 24 V DC or higher source to power the repeater.
Use only the supplied DC cord.
◆
Do not remove the ferrite core attached to the DC cord. Doing
◆
so may cause interference with radio communications.
UNPACKING AND CHECKING EQUIPMENT
The following unpacking information is for use by your
Note:
Kenwood
factory.
Carefully unpack the repeater. We recommend that you identify
the items listed in the following table before discarding the
packing material. If any items are missing or have been damaged
during shipment, file a claim with the carrier immediately.
Front glass B10-2781-XX 1
Dressed screw N08-0563-XX 1
Bracket J29-0725-XX 2
Flat head machine screw N32-4008-XX 4
Handle and screw set K01-0421-XX 1
DC cord E30-3344-XX 1
Lead wire with connector (15 pin) E37-1381-XX 1
Fuse (7.5 A) F05-7521-XX 1
SYNC Cable E30-7701-XX 1
Instruction Manual B62-2410-XX 1
dealer, an authorized
Kenwood
service center, or the
Item Part Number Quantity
FCC WARNING
This equipment generates or uses radio frequency energy. Changes
or modifications to this equipment may cause harmful interference
unless the modifications are expressly approved in the instruction
manual. The user could lose the authority to operate this equipment if
an unauthorized change or modification is made.
INFORMATION TO THE DIGITAL DEVICE USER REQUIRED BY
THE FCC
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 reasonable protection against
harmful interference in a residential installation.
This equipment generates, uses and can generate radio frequency
energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that the interference will not occur
in a particular 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 to an outlet on a circuit different from that to
•
which the receiver is connected.
Consult the dealer for technical assistance.
•
INSTALLATION
To install the handles onto the front panel of the repeater, align
the handles with the holes on the front panel, then secure the
handles using the supplied screws.
Please consult your dealer for installing the repeater and
antenna.
MICROPHONE
Connect an optional KMC-30, KMC-35, or KMC-9C
microphone to the
MICROPHONE
jack on the front panel.
Kenwood
OCXO UNIT (KXK-3):Option
The OCXO unit (KXK-3) is an Oven Controlled Crystal Oscillator
(OCXO) unit.
B
CONTROLS AND FUNCTIONS
■
Front Panel
q
wrt
12
e
STATUS
345678
yu
TAKE
RPT
MON
DISABLE
POWERCTRL OCXO BUSY TX
OVER
ABC
VOLUME
MICROPHONE
OFF/
COM
Speaker
q
CH/STATUS Display
w
Two 17-segment digits display the channel number, name,
or status.
STATUS indicator
e
Indicates the status of the repeater. (NXDN mode)
Programmable Function keys
r
Press these keys to activate their programmable
functions.
COM jack
t
Connect to the PC using a RS-232C standard DB9
(Female) cross cable.
VOLUME control
y
Turn clockwise until a click sounds, to unmute the audio.
Rotate to adjust the audio. Turn counterclockwise fully to
mute the audio.
MICROPHONE jack
u
Connect a microphone to this 8-pin modular jack.
POWER indicator
i
Lights green when power is supplied to the
jack. Blinks red when an abnormal voltage is present.
■
Rear Panel
q
RX TX
w
TEST/SPKR
e
CONTROL I/O
rt y
SYNC
12
LAN REF OUT REF IN
!
DC 13.8V
1!2
!0
io
While blinking, the repeater cannot be used.
TX
indicator
o
Lights red while transmitting.
BUSY indicator
!0
Lights green while a signal is being received.
OCXO indicator
!1
The OCXO indicator shows the state of the reference
10 MHz oscillator :
Lights Green when using a reference signal from an
optional OCXO unit (KXK-3).
Lights Orange when using a reference signal from another
repeater.
Lights red when no reference signal is available or when
an error occurs.
Does not light when the reference signal is an internal
VCXO signal.
CTRL indicator
!2
The CTRL indicator shows the control channel status
while using Digital trunking :
Lights Green when the repeater is used as control channel.
Blinks Green when using a non-dedicated control channel.
u
i
FUSE
o
DC 13.8V
75
!0
RX IN
q
jack
Connect an RX antenna or a duplexer to this BNC
receptacle.
TEST/SPKR jack
w
Test input/output jack. Connect an external speaker to
this jack.
CONTROL I/O jack
e
Connect a repeater controller or a remote panel to this
DB-25 interface.
SYNC 1 / 2 jack
r
Connect to another repeater to use synchronous frame
signaling for digital trunking.
LAN jack
t
Connect to Ethernet.
REPEATER OPERATION
Please consult your dealer for programming the repeater.
Note:
Due to the frequency stability on the 6.25 kHz bandwidth channel,
when operating the repeater using an optional OCXO unit, allow
the unit to warm up after turning the power on. Refer to the KXK-3
instruction manual concerning the warm up duration.
After turning on the power, wait for approximately 10 seconds for
the VCXO or 5 minutes for the OCXO (when mounting) to warm up.
During this time, the CH/STATUS Display will blink. The keys will
function when they are pressed.
When power is applied to the unit, the
green. Turn the
VOLUME
control clockwise until a click sounds,
POWER
to unmute the audio. Rotate to adjust the audio. Turn the
VOLUME
The
TX
control counterclockwise fully to mute the audio.
indicator lights green while receiving a signal and the
BUSY
indicator lights red while transmitting.
indicator lights
REF OUT jack
y
Connect to another repeater within the site to supply a
reference signal.
REF IN jack
u
Connect from another repeater within the site to receive a
reference signal.
FUSE
i
Insert 7.5 A blade fuse into this fuse holder.
DC
13.8V jack
o
Connect a 13.8 V DC power supply to this jack.
TX
OUT jack
!0
Connect a TX antenna or a duplexer to this BNC receptacle.
TRANSCEIVER OPERATION
■
Receive
Adjust the volume to your desired level. You may need to
readjust the volume if you are having interference while receiving
a message from your dispatcher or another member in your fleet.
■
Transmit
C
The
Listen to the channel before transmitting, to make sure it
1
Press the microphone
2
When you finish speaking, release the
3
indicator lights green while a signal is being received.
BUSY
is not being used.
switch, then speak in your
PTT
normal speaking voice.
The TX indicator lights red while transmitting.
switch.
PTT