Specifications

Jumper Configurations
Table A-1
Jumper Descriptions (continued).
JUMPER # DESCRIPTION
W15(A,B) Install W15A to bring connector J2 pin 13 to
the input of the RS-422/485 receiver at serial
data in (SIN1) on serial port 2. Install W15B
to ground pin 13 of J2 for use of the
RS-232-C drivers and receivers on serial
port 2. Factory default installs W15B. Refer
to page A-17 for complete serial jumper
assignments.
W15A W15B Function
IN OUT RS-485 operation, serial port 2 (connector J2)
OUT IN † RS-232 operation, serial port 2 (connector J2)
W16 Install W16 to provide ground for the
RS-422/485 interface at serial port 2 via J2
pin 8. Remove W16 to remove ground from
J2 pin 8 when using the RS-232-C drivers
and receivers on serial port 2. Refer to the
table on page A-17 for complete jumper
selections for COM2. Factory default re-
moves W16.
W16 Function
IN RS-485 operation, serial port 2 (connector J2)
OUT † RS-232 operation, serial port 2 (connector J2)
A-15