Icom IC-FR3100, IC-FR4100 User Manual

INSTRUCTION MANUAL

VHF FM REPEATER

iFR3100

UHF FM REPEATER

iFR4100

IMPORTANT

READ THIS INSTRUCTION MANUAL CAREFULLY before attempting to operate the re-

peater.

SAVE THIS INSTRUCTION MANUAL– This

manual contains important safety and operating instructions for the IC-FR3100/FR4100 series.

EXPLICIT DEFINITIONS

R WARNING HIGH VOLTAGE! NEVER at-

tach an antenna or internal antenna connector during transmission. This may result in an electrical shock or burn.

RWARNING HIGH VOLTAGE! NEVERinstall

the antenna in any place that a person can touch the antenna easily during transmission. This may result in an electrical shock or burn.

R NEVER apply AC to the [BATTERY] terminals on

the repeater rear panel. This could cause a fire or damage the repeater.

R NEVER apply more than 16 V DC, such as a 24 V

battery, to the [BATTERY] terminals on the repeater rear panel. This could cause a ﬁre or damage the repeater.

R NEVER let metal, wire or other objects touch any

internal part or connectors on the rear panel of the repeater. This may result in an electric shock.

R NEVER expose the repeater to rain, snow or any

liquids.

AVOID using or placing the repeater in areas with tem-

peratures below –25°C or above +55°C.

AVOID placing the repeater in excessively dusty envi-

ronments or in direct sunlight.

AVOID putting anything on top of the repeater. This will

obstruct heat dissipation.

Place the repeater in a secure place to avoid inadvertent use by children.

BE CAREFUL! The heatsink will become hot when op-

erating the repeater continuously for long periods.

BE CAREFUL! If a linear amplifier is connected, set

the repeater’s RF output power to less than the linear ampliﬁer’s maximum input level, otherwise, the linear ampliﬁer will be damaged.

Use Icom microphones only (optional). Other manufacturer’s microphones have different pin assignments, and connection to the IC-FR3100/FR4100 series may damage the repeater.

CAUTION: This repeater is intended for use as a ﬁxed

base station with the antenna located outdoors on the rooftop or on an antenna tower.

PRECAUTION

WORD

WARNING

CAUTION

NOTE

DEFINITION

Personal injury, fire hazard or electric shock may occur.

Equipment damage may occur. If disregarded, inconvenience only.

No risk of personal injury, fire or electric shock.

Icom, Icom Inc. and the logo are registered trademarks of Icom Incorporated (Japan) in the United states, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

FORWARD

Thank you for purchasing this Icom product. The ICFR3100/FR4100

VHF/UHF FM REPEATER

is designed and built with Icom’s state of the art technology and craftsmanship. With proper care, this product should provide you years of trouble-free operation.

We want to take a couple of moments of your time to thank you for making the IC-FR3100/FR4100 your repeater of choice, and hope you agree with Icom’s philosophy of “technology ﬁrst.” Many hours of research and development went into the design of the ICFR3100/FR4100 series.

FEATURES

❍ 25 W continuous full duty cycle operation

This repeater looks as good as it performs. A rugged heatsink, large cooling fans and a high performance power module provide the repeater with a stable 25 W at full duty cycle operation.

❍

Automatic battery backup system

A built-in backup system supports automatic switching to an external power supply (13.2 V DC) if the AC power supply fails.

❍ Multiple CTCSS & DTCS tone memories

with multiple memory channels

Up to 16 CTCSS/DTCS tones (TX/RX tones respectively) can be programmed in a channel. This feature allows you to share a channel with multiple user groups. You can also give priority/exclusive use to a specified group simply by programming different tones to another memory channel. Ideal for many different applications.

❍ Built-in 2-Tone, 5-Tone, DTMF encoder &

decoder

Multiple signaling systems are equipped as standard. These systems are fully compatible with Icom F-series radios.

❍ Telephone interconnect capability ❍ DTMF remote control capability

You can control the repeater from a remote location over the air or over a phone line with DTMF.

❍ Other features

- PC programmable

- Wall or 19 inch rack mount (optional MB-77/MB-78)

- Optional Voice Scrambler Unit (UT-109 #01/UT-110 #01) for base operating mode

SUPPLIED ACCESSORIES

The following accessories are supplied with the ICFR3100/FR4100 series

q AC power cable (OPC-492) ……………………… 1 w Spare fuse (FGB 1 A)……………………………… 1 e Spare fuses (ATC 20)……………………………… 2

EXPLICIT DEFINITIONS

IMPORTANT ............................................................ i

EXPLICIT DEFINITIONS ......................................... i

PRECAUTION ......................................................... i

FORWARD .............................................................. ii

SUPPLIED ACCESSORIES ................................... ii

TABLE OF CONTENTS .......................................... ii

1PANEL DESCRIPTION ......................... 1–4

■ Front panel .................................................... 1

■ Rear panel ..................................................... 2

2 INST ALLATION AND

CONNECTIONS .................................. 5–10

■ Unpacking ..................................................... 5

■ Selecting a location ....................................... 5

■ Antenna connection ....................................... 5

■ Duplexer ........................................................ 5

■ Grounding ...................................................... 5

■ Required connections .................................... 6

■ Advanced connections .................................. 7

■ Power ............................................................ 8

■ Mounting the repeater ................................... 8

3 OPTIONAL UNIT INSTALLATION ...........11

■ Opening the repeater’s case ....................... 11

■ Voice scrambler unit installation .................. 11

4 OPERATION ............................................ 12

■ Turning power ON ....................................... 12

■ Receiving and transmitting .......................... 12

5 MAINTENANCE ................................ 13–14

■ Troubleshooting ........................................... 13

■ Fuse replacement ........................................ 14

6 SPECIFICA TIONS AND OPTIONS ... 15–16

■ Speciﬁcations .............................................. 15

■ Options ........................................................ 16

7 ABOUT CE ........................................ 17–20

PANEL DESCRIPTION

■ Front panel

q POWER SWITCH [POWER]

Toggle to turn the repeater power ON or OFF.

MICROPHONE/SPEAKER CONNECTOR [MIC/SP]

This 8-pin modular jack accepts the optional microphone.

q +9 V DC output (Max. 10 mA) w I/O port for PC programming e NC r M PTT (Input port for TX control) t Microphone ground y Microphone input u Ground i M MONI (Input port for monitor control)

e LINE CONNECTOR [LINE]

This 4-pin modular jack allows connection of a 2 wire system telephone cable.

• See p. 7 for line connector information.

r VOLUME CONTROL[VOLUME] (p. 12)

Adjusts the audio output level.

t SQUELCH CONTROL[SQUELCH]

➥While in base operating mode, adjusts the

squelch threshold level. (p. 12)

➥While in repeater operating mode, this knob is not

activated.

y CHANNELSELECT SWITCHES [DN/UP]

Push either switch to select the operating channel.

u MONITOR SWITCH [MONI]

➥Push to monitor the operating frequency.

i MODE SELECT SWITCH [RPT/BASE]

Toggles the repeater or base operating mode when pushed.

• When setting up a repeater system using ICFR3100/FR4100 only, select a repeater operating mode.

• When using IC-FR3100/FR4100 as a full (or half) duplex transceiver, or setting up a repeater system connecting an external controller, select a base operating mode.

o REMOTE CONTROLSWITCH [REMOTE]

Toggle to activate or inactivate the remote control operation when pushed.

!0 AF MUTE CONTROL[SP MUTE]

Mutes the audio output.

!1 INTERNALSPEAKER

Monitors received signals.

!2 BASE OPERATING MODE INDICATOR

Lights green while in base operating mode.

!3 REMOTE CONTROLMODE INDICATOR

Lights green while in remote control operation mode.

!4 TRANSMIT INDICATOR

Lights red while transmitting.

!5 BUSYINDICATOR

Lights green while receiving a signal or when the noise squelch is open.

!8!9

e t y u i o !0

!2 !1!3!4!5!6!7

Function display (p. 2)

PANEL DESCRIPTION

!6 ANI CLEAR SWITCH [ANI CLR]

Push for 1 sec. to clear the received ANI ID indication on the display and return to the original indication.

NOTE: This switches’ function is not available for

some versions.

!7 DEALER-PROGRAMMABLE SWITCH [PROG]

Toggles the pre-programmed function ON or OFF when pushed.

!8 PROGRAMMED FUNCTION INDICATOR

Lights green while the pre-programmed function is activated.

!9 DC INDICATOR

Lights green during DC operation.

Function display

q MEMORY CHANNEL INDICATOR

Shows the selected memory channel.

w TRANSMIT POWER INDICATOR

Shows the output power level.

e AUDIBLE INDICATOR

“@” appears during audible condition, disappears during inaudible condition. (During audible condition, the audio mute is cancelled.)

r ALPHANUMERIC INDICATORS

Shows a variety of text or code information.

32H H@HICOMH INC.

■ Rear panel

q TRANSMIT ANTENNACONNECTOR [TX/TX•RX]

➥ Connects a transmit antenna (impedance: 50 Ω)

and outputs transmit signals.

➥ When installing an optional internal duplexer

(supplied by a third party), this connects the transmit/receive to an antenna.

EXTERNAL SPEAKER CONNECTOR [EXT SP]

Accepts a 4 Ω external speaker.

e REMOTE CONNECTOR [REMOTE]

Connects to the remote controller.

• See p. 3 for remote connector information.

r ACCESSORY CONNECTOR [ACC]

Connects to the remote controller.

• See pgs. 3, 4 for accessory connector information.

t RECEIVE ANTENNACONNECTOR [RX]

➥ Connects a receive antenna (impedance: 50 Ω)

and inputs received signals.

➥ When installing an internal duplexer (supplied by

third party), do not use this connector.

y AC POWER SOCKET [AC]

Connects the supplied AC power cable to a domestic AC outlet.

u GROUND TERMINAL[GND]

Ground the repeater through this terminal to prevent electric shocks, TVI, BCI and other problems.

i DC POWER INPUT TERMINALS [BATTERY]

Connects the 12 V storage battery for the repeater backup when the AC power is interrupted. These terminals are also used for DC power operation.

CAUTION: NEVER short the (+) line of the DC

power cable to the repeater’s chassis when connecting a DC power cable to the [BATTERY] terminals. Otherwise there is danger of electric shock and/or equipment damage.

EXT SP REMOTE

TX/TX•RX

q e r t y u

ACC

BATTERY

GND

PANEL DESCRIPTION

D Remote connector

Pin No. Pin Name Description Speciﬁcation

–PTT

+PTT

–AFOUT

+AFOUT

–EXTMOD

+EXTMOD

–BUSY

+BUSY

Input terminals to transmit the repeater in relation to the external equipment. An opto-isolator is provided to facilitate PTT signals.

Output terminal for AF signals from the AF detector circuit via the bandpass ﬁlter. Output level is ﬁxed, regardless of [AF] control.

Input terminal for the modulation circuit.

Output terminal for squelch condition (Open/Close). An opto-isolator is provided to facilitate BUSY signals.

High voltage=PTT ON (transmits) Hi-Z=PTT OFF

Output impedance: 600 Ω

Input impedance: 600 Ω

Open collector=BUSY OFF 0 V=BUSY ON (Squelch is opened)

D Accessory connector

Pin No. Pin Name Description Speciﬁcation

BUSY OUT

COAXIAL SW

M/S IN

EXT RPT/BASE

EXT MONI

EXT DTCS

EXTMOD IN B

EXTMOD IN A

AF OUT

DISC OUT

+15V

TX OUT

Output terminal for busy signal.

Output terminal for coaxial switching (antenna switching) signal.

Input terminal for master/slave signal.

Input terminal for selecting memory channel.

Input terminal for repeater/base operating mode switching signal.

Input terminal for monitor function.

Input terminal for continuous tone (CTCSS/DTCS) signal.

Input terminal for the modulation signals applied to input of the splutter ﬁlter circuit.

Input terminal for the modulation signal applied to input of the pre-emphasis circuit via the bandpass ﬁlter.

Output terminal for AF signals from the AF detector circuit via the bandpass ﬁlter. Output level is ﬁxed, regardless of [AF] control.

Output terminal for AF signals from the AF detector circuit. Output level is ﬁxed, regardless of [AF] control.

Output terminal for +15V DC while in AC operation. (While in DC operation, same as input DC.)

Output terminal for transmission state.

Open collector=OFF, 0 V=ON

Open collector=OFF 0 V=ON

+5 V pull up, Active=L

+5 V pull up Active=L

+5 V pull up, Active=L

Input impedance: 100 kΩ (approx.)

Input impedance: 600 Ω (approx.)

Output impedance: 1 kΩ (approx.)

Output current: Less than 1 A

Open collector=OFF, 0 V=ON

q!3

!4@5

PANEL DESCRIPTION

Channel

D4 D3 D2 D1 D0

(pin 18) (pin 5) (pin 17) (pin 4) (pin16)

100000

200001

300010

400011

500100

600101

700110

800111

901000

10 0 1 0 0 1

11 0 1 0 1 0

12 0 1 0 1 1

13 0 1 1 0 0

14 0 1 1 0 1

15 0 1 1 1 0

16 0 1 1 1 1

Channel

D4 D3 D2 D1 D0

(pin 18) (pin 5) (pin 17) (pin 4) (pin16)

17 1 0 0 0 0

18 1 0 0 0 1

19 1 0 0 1 0

20 1 0 0 1 1

21 1 0 1 0 0

22 1 0 1 0 1

23 1 0 1 1 0

24 1 0 1 1 1

25 1 1 0 0 0

26 1 1 0 0 1

27 1 1 0 1 0

28 1 1 0 1 1

29 1 1 1 0 0

30 1 1 1 0 1

31 1 1 1 1 0

32 1 1 1 1 1

Accessory connector (continued)

Pin No. Pin Name Description Speciﬁcation

21–24

M/S OUT

EXT PTT

RSSI

AGND

DC GND

Output terminal for master/slave signal.

Input terminal for selecting memory channel.

Input terminal for PTT signal.

Output terminal for RSSI (Received Signal Strength Indicator) signal.

Analog ground

Ground for +15 V DC

Open collector=OFF, 0V=ON

+5 V pull up, Active=L

Output impedance: 1 kΩ (approx.)

• Pin 4, pin 5, pins 16–18 select one of the 32 pre-programmed memory channels. (see table below) [0]: Hi-Z, [1]: 0 V (D0–D4: +5 V pull up)

INST ALLATION AND CONNECTIONS

■ Unpacking

After unpacking, immediately report any damage to the delivering carrier or dealer. Keep the shipping cartons.

For a description and a diagram of accessory equipment included with the IC-FR3100/FR4100 series, see ‘Supplied Accessories’ on p. ii of this manual.

■ Selecting a location

Select a location for the repeater that allows adequate air circulation, free from extreme heat, cold, or vibrations, and away from TV sets, TV antenna elements, radios and other electromagnetic sources.

■ Antenna connection

For radio communications, the antenna is of critical importance, along with output power and sensitivity. Selecting antenna(s), such as a well-matched 50 Ω antenna, and feedline. 1.5:1 or better of Voltage Standing Wave Ratio (VSWR) is recommended for the desired band. Of course, the transmission line should be a coaxial cable.

CAUTION: Protect the repeater from lightning by

using a lightning arrestor.

NOTE: There are many publications covering

proper antennas and their installation. Check with your local dealer for more information and recommendations.

■ Duplexer

A duplexer is separately required when only one antenna is used for both transmitting and receiving. Select a duplexer according to the transmitting and receiving frequencies. Ask your Dealer for details.

■ Grounding

To prevent electrical shock, television interference (TVI), broadcast interference (BCI) and other problems, ground the transceiver through the [GND] terminal on the rear panel.

For best results, connect a heavy gauge wire or strap to a long earth-sunk copper rod. Make the distance between the [GND] terminal and ground as short as possible.

WARNING:

NEVER connect the [GND] termi-

nal to a gas or electric pipe, since the connection could cause an explosion or electric shock.

TYPE-N CONNECTOR INSTALLATION EXAMPLE

30 mm ≈9⁄

8 in 10 mm ≈

⁄

8 in 1–2 mm ≈

⁄

16 in

Slide the nut, flat washer, rubber gasket and clamp over the coaxial cable, then cut the end of the cable evenly.

Strip the cable and fold the braid back over the clamp.

Soft solder the center conductor. Install the center conductor pin and solder it.

Carefully slide the plug body into place aligning the center conductor pin on the cable. Tighten the nut onto the plug body.

15 mm

3 mm

6 mm

No space

Solder hole

Be sure the center conductor is the same height as the plug body.

Clamp

Center conductor

Washer

Nut Rubber gasket

BATTERY

GND

TX/TX•RX

EXT SP REMOTE

ACC

+ 16 hidden pages