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141001UA
If the system application requires one or more of the default settings to be changed, it will be
necessary to remove the top cover of the enclosure to access and change the DIP switches
located on the printed circuit board.
Disassembly
U
T
P
C
NPLUG
HE
OWER
phillips head screws located on the left and right sides of the unit. The configuration
switches and jumpers are located on the Printed Circuit Board (PCB) as indicated on the
appropriate strapping guide in the Appendix of this manual. After the switch selection
activity is completed, R
S
.
OURCE
Installation
Select an appropriate location, accessible to and within six feet of an AC power outlet. Use
a "Straight Through", shielded cable, between the attached terminal device and the 1084
(CTS LD-128K) ( The 1084 has a female DB-25 Connector ). Connect the RS-232 terminal
device to the connector marked J4. The 1084's (CTS LD-128K) are connected using a
standard, crossed, RJ45 telephone cable. Plug the cable into connector J2 or J3, which are
in parallel with each other, to allow connection of multiple 1084's (CTS LD-128K) for Multi-
Point operation. Standard Telephone cords can be used provided the wire pairs are
reversed.
Caution: Never connect the RJ-45 Line connectors to
the Public Switched Telephone Network!
Equipment Grounding (SW2-6)
SW2 Position 6 provides for grounding interconnection in those systems requiring a
connection between (Frame Ground) and (Signal Ground). Set to ON
Point to Point / Multi-Drop Connectors J2 & J3
J2 and J3 are parrallel RJ-45 connectors. Pin 1 on J2 is connected to pin 1 on J3, pin 2 on
J2 is connected to pin 2 on J3 and likewise for the remainder of the pins. This allows two
1084 (CTS LD-128K) to be connected by simply installing a standard crossed telephone
cable between the units. When adding addtional units for a Multi-Drop application, chain
the J2 or J3 from one unit to another, using a standard straight through telephone cable. It is
not important which connector is used, as J2 and J3 are electrically eqivalant to each other.
All of the Slave 1084 (CTS LD-128K) receivers (pins 7&8), must be tied together and
connected to the transmitter of the Master 1084 (CTS LD-128K) and all of the Slave LD-
128K transmitters (pins 1&2), must be tied together and connected to the receiver of the
Master 1084 (CTS LD-128K). (see Appendix)
Setup & Installation
P
E
C
.
ATTON
LECTRONICS
O
B
P
ORD
EFORE
ROCEEDING
T
T
C
EINSTALL
HE
OP
1084
I
NSTALLATION
then remove the top cover by unscrewing the
BEFORE C
OVER
ONNECTING
2-2
A
O
M
ND
PERATIONS
ANUAL
T
A
AC P
O
N
OWER
ON
ON , ONLY if required .
ON
ON
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