5-3 Repeater Linking System
5-3-1 Repeater Linking System (1)
41
Connect two repeaters by interface cable (25p to 9p).
A repeater extends communications service area and
it is very useful for two-way communications.
Everyone thinks that the service area should be as
wide as possible such as a cellular phone system.
Now the service area can be extended with Icom
repeaters!
This is a basic plan to upgrade the repeater site to a
link system. This plan is suitable for linking two or
more repeater sites. When a subscriber transmits, the
repeater re-transmits a received signal. At the same
time, the received signal is sent to another repeater
site, through a VHF mobile radio. These VHF radios
work as link radios between repeater sites.
System requirements (One site)
These interface cables are not sold as Icom
accessories, therefore please assemble the interface
cable by yourself. The connection diagram is as
follows;
Link VHF
Descriptions Model Number Quantity
UHF Repeater IC-FR6100
UHF Antenna
Duplexer
VHF Mobile Radio IC-F110
VHF Antenna
Power Supply
Duplexer
ACC Cable OPC-617
Interface Cable 25p to 9p
Basic Repeater Linking System
Connection example
Link VHF
Linking interfaceLinking interface
IC-FR6100 IC-FR6100
UHF H/H UHF H/H
Tx = f
1
Rx = f
2
Tx = f
2
Rx = f
1
Tx = f
4
Rx = f
3
Tx = f
3
Rx = f
4
Repeater (25pin) OPC-617 (9pin)
Pin Description Pin No. Pin No. Pin Description
BUSY OUT
17 5
PPT CONT IN
MOD IN
8<>3
DET AF OUT
DISC OUT
9<>4
MOD IN
EPPT
19 <> 1
HORN DRIVE
GND
7,14 <> 8, 9
GND
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