121001UA
2-2
Setup & Installation
P
ATTON
E
LECTRONICS
C
O
.
2012
I
NSTALLATION
A
ND
O
PERATIONS
M
ANUAL
Element Length Selection
Switch 1 positions 1 & 2 control the asynchronous element length. To select 5 bit operation,
set SW1- 1 and SW1-2 to
ON
ON
ON
ON
ON
. This will allow operation with one start bit, 5 data bits and
one stop bit. For 6 bit operation, set SW1-1 to
ON
ON
ON
ON
ON
and SW1-2 to
OFF
OFF
OFF
OFF
OFF
. This will allow
operation with one start bit, 6 data bits and one stop bit. For 7 bit operation, set SW1-1 to
OFF
OFF
OFF
OFF
OFF
and SW1-2 to
ON
ON
ON
ON
ON
. This will allow operation with one start bit, 7 data bits and one stop
bit. For 8 bit operation, set SW1-1 to
OFF
OFF
OFF
OFF
OFF
and SW1-2 to
OFF
OFF
OFF
OFF
OFF
. This will allow operation with
one start bit, 8 data bits and one stop bit or one start bit, 7 data bits one parity bit and one
stop bit. For 8 bit data with a parity bit see the PARITY SELECTION section.
Pass Break Key
SW1-5 controls the break key operation. Set SW1-5 to
ON
ON
ON
ON
ON
if it is required to pass a break
key from the terminal through the 2012 (CTS EASI-2C) to the terminal on the remote side.
Set SW1-5 to
OFF
OFF
OFF
OFF
OFF
if the break key is to be blocked to the remote side.
Equipment Grounding
JP1 provides grounding interconnection in those systems requiring a connection
between the DB-25 Pin 1 (Frame Ground) and Pin 7 (Signal Ground). Install JP1 if
connection from frame ground to signal ground is required. Remove JP1 if
connection from frame ground and signal ground is not required.
Factory Test JP2
Do Not remove JP2. JP2 is required for Factory testing of the 2012 (CTS EASI-2C) and
MUST
be installed for operation of the unit.
Baud Rate Selection
SW1 positions 7 through 10 select the Baud Rate. See the switch selection diagram, on the
following page for switch settings and available rates.
Summary of Contents for 2012
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