UG-001 Daniels P25 Radio Systems
www.danelec.com
Chapter 3: P25 Radio System Confi gurations
14
User
Guide
COMPLEX REPEATER OPERATION
The MT-4R and MT-4D Repeater modules may be confi gured to operate in complex repeater
confi gurations of up to 4 sets of transceivers using the CI-RC-4M multiple link controller (radio router).
The receiver and transmitter modules connect to the CI-RC-4M repeater controller through RJ45 cables
connected to the front panel of the transmitter and receiver modules. The CI-RC-4M repeater controller
is a 1RU height controller that is installed separately from the radio subrack as shown in Figure 3-2.
Figure 3-2: P25 Repeater System shown with four pairs of transceivers
The CI-RC-4M repeater controller is software programmable to allow fl exible programming options for
the radio system. The CI-RC-4M controller provides the following features:
- interconnection of up to 4 receiver and 4 transmitter modules in any confi guration (repeater,
repeater with links, crossband systems, etc.).
- multiple CTCSS tones and NAC codes may be selected to operate each connection between
receivers and transmitters (up to seven CTCSS/NAC for each link).
- DTMF control of receiver to transmitter links.
- setting of receiver priorities.
- transmitter channel switching based on received CTCSS or NAC.
- auxiliary E&M connections.
- 4 independent general purpose outputs that can be controlled by NAC, CTCSS or DTMF (open
collector 750 mA / 30 Vdc max).
VOL
AUDIO
A
B
2
1
5
4
3
67
8
11
10
9
SYSTEM MONITOR
FUNCTION
METER
+-
PTT
12
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
FREQUENCY (MHz)
xxx.xxxx
MADE IN CANADA
P25 RECEIVER
NORM
SQ. DISA B L E
OFF
CNTL
BUS
A
B
AD
RF NI
MADE IN CANADA
Model # Code
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
P25 TRANSMITTER
MADE IN CANADA
Model # Code
xxx.xxxx
CNTL
BUS
A
B
MIC RF OUT
AD
ANALOG
DIGITAL
OFF
KEY TX
NORM
MICMODE
FREQUENCY (MHz)
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
FREQUENCY (MHz)
xxx.xxxx
MADE IN CANADA
P25 RECEIVER
NORM
SQ. DISA B L E
OFF
CNTL
BUS
A
B
AD
RF NI
MADE IN CANADA
Model # Code
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
P25 TRANSMITTER
MADE IN CANADA
Model # Code
xxx.xxxx
CNTL
BUS
A
B
MIC RF OUT
AD
ANALOG
DIGITAL
OFF
KEY TX
NORM
MICMODE
FREQUENCY (MHz)
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
RX & TX INTERCONNECT PORTS
TXA RXA TXB RXB TXC RXC TXD RXD RS-232 USB
PROGRAMMING PORTS
MULTIPLE LINK CONTROLLER
DANIELS
ELECTRONICS LTD.
TM
WWW.DANELEC.COM
VOL
AUDIO
A
B
2
1
5
4
3
67
8
11
10
9
SYSTEM MONITOR
FUNCTION
METER
+-
PTT
12
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
FREQUENCY (MHz)
xxx.xxxx
MADE IN CANADA
P25 RECEIVER
NORM
SQ. DISA B L E
OFF
CNTL
BUS
A
B
AD
RF NI
MADE IN CANADA
Model # Code
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
P25 TRANSMITTER
MADE IN CANADA
Model # Code
xxx.xxxx
CNTL
BUS
A
B
MIC RF OUT
AD
ANALOG
DIGITAL
OFF
KEY TX
NORM
MICMODE
FREQUENCY (MHz)
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
FREQUENCY (MHz)
xxx.xxxx
MADE IN CANADA
P25 RECEIVER
NORM
SQ. DISA B L E
OFF
CNTL
BUS
A
B
AD
RF NI
MADE IN CANADA
Model # Code
MADE IN CANADA
DANIELS
ELECTRONICS LTD.
P25 TRANSMITTER
MADE IN CANADA
Model # Code
xxx.xxxx
CNTL
BUS
A
B
MIC RF OUT
AD
ANALOG
DIGITAL
OFF
KEY TX
NORM
MICMODE
FREQUENCY (MHz)
MADE IN CANADA
DANIELS
ELECTRONICS LTD.