CT-2002 Thin
GND
SERIAL OUT -
SERIAL OUT +
GND
START SWITCH
STOP SWITCH
RESET SWITCH
MODE SWITCH
GND
TIME CLOSURE 1
TIME CLOSURE 2
TIME CLOSURE 3
TIME CLOSURE 4
GND
DOWN TIME CLOSURE AT “0”
TOH RESET INPUT
RJ-45 OUT
RJ-45 IN
9V DC IN
MODEL CT-2002 DESKTOP Part No. 14409
SERIAL IN +
SERIAL IN -
RJ-45 SHIELD TO GND
Logan Township, New Jersey USA
1-856-467-8000 • www.radiosystems.com
CT-2002 Desktop
Logan Township, New Jersey USA
1-856-467-8000
• www.radiosystems.com
BACK SWITCH
SERIAL DATA OUT -
LOGIC INPUT REFERENCE
GROUND
START SWITCH
STOP SWITCH
RESET SWITCH
MODE SWITCH
GROUND
FORWARD SWITCH
DC TO CLOCKS
10 Hz TO CLOCKS
TOP OF HOUR RESET INPUT
GROUND
9V DC IN
TO
ANALOG
CLOCKS
MODEL CT-2002 Master Part No. 14410
SERIAL DATA OUT +
GROUND
BALANCED INPUT REF. +
BALANCED INPUT REF. -
GROUND
GROUND
1 2 3 4 5 6 7 8
BACK
DIP SWITCHES
(UP IS ON)
SERIAL DATA OUT +
SERIAL DATA OUT -
GROUND
START SWITCH
STOP SWITCH
RESET SWITCH
MODE SWITCH
GROUND
AHEAD
DC TO CLOCKS
10 Hz TO CLOCKS
GROUND
N. O. CONTACT
N. O. CONTACT
ANTENNA
15V DC IN
1 Hz OUT
TO
IMPULSE
DRIVER
TO
ANALOG
CLOCKS
TOP
OF HOUR
CLOSURE
MODEL CT-2002 GPS Part No. 14411
CT-2002 GPS
CT-2002 Master
Connect up to 32 serial slave clocks in “dasiy chain”
configuration. Use twisted pair 24AWG cable
(preferrably shielded.) The last clock in chain must be
terminated with a 120
Ω resistor (or use the termination
DIP switch on the CT2002 Large Display.)
Serial daisy chain
connectivty may also
be via CAT-5 cable and
RJ-45 conectors.
Use a standard 568B
ethernet patch cable
(all wires conecting
straight thru pin to pin)
or for custom made
cables observe pinouts
to right.
CT-2002 4” & 2”
SERIAL INPUT
TERMINATION
RJ-45 OUT
RJ-45 IN
GND
+15V DC IN
RJ-45 SHIELD TO GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Ancillary I/O
16- Ground
17- Down Time Closure at “0”
18- Top-of-Hour Input
19- Ground
20- +15V DC
Remote Control
6- Ground
7- Start
8- Stop
9- Reset
10- Mode
Clock Triggers
11- Ground
12- Time Closure #1
13- Time Closure #2
14- Time Closure #3
15- Time Closure #4
Serial Synchronizing Data
1- Serial In +
2- Serial In -
3- Ground
4- Serial Out -
5- Serial Out +
REMOTE CONTROL BARRIER STRIP PIN-OUTS
To additional RJ-45
clock serial inputs.
SERIAL INPUT
RJ-45 PIN OUTS
1- n/c
2- n/c
3- Serial In +
4- Ground
5- Top-of-Hour Reset Input
6- Serial In -
(Note: Make serial connectivity EITHER
via twisted or CAT-5 (not both)
DB9 (FEMALE) PINOUTS
Pin 1- Serial Data Out +
Pin 2- Serial Data In +
Pin 3- Serial Data In -
Pin 4- Serial Data Out -
Pin 5- GND
Pin 6- TOH Reset
Pin 7- GND
Pin 8- N/C
Pin 9 N/C
Make serial connections to any
one of the DB9 connector or
either RJ-45 connector.
SERIAL OUTPUT /LOOP THRU
RJ-45 PIN OUTS
1- Serial Out +
2- Serial Out -
3- Serial In +
4- Ground
5- Top-of-Hour Reset Input
6- Serial In -
CT-2002 Console
GPS Antenna
RS-232 to
RS-425
long cable
run converter
(optional)
PC Clock Input Sync
RS-485
to
RS-232
converter
RS-232
to
RS-485
converter
9
4
876
3215
Note: Software/hardware
kit available (Radio Systems
part # 16117) to update
Windows PC clocks via USB
from the CT-2002
serial data stream
Logan Township, New Jersey USA
1-856-467-8000 • www.radiosystems.com
DOWN TIME CLOSURE AT “0”
+9V DC IN
GND
GND
START SW
STOP SW
RESET SW
MODE SW
GND
SERIAL IN -
SERIAL IN +
GND
TOP OF HOUR RESET INPUT
TIME CLOSURE 4
TIME CLOSURE 3
TIME CLOSURE 2
TIME CLOSURE 1
GND
SERIAL OUT - (future use)
SERIAL OUT + (future use)
J4 J6
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