Hypertherm HTA Rev 6.00 Install Guide - Manual (Page 211)

Appendix F: Serial Ports 199
Serial Port Jumpers
The following Jumper selections for proper operation of the Rev D serial communication card.
Jumper Settings
Location Designation
Description
J3 AMD Port A Multidrop .
J2 BMD Port B Multidrop
J6 AHST Port A Host
J5 BHST Port B Host
J8 ATR Port A Termination Resistor
J7 BTR Port B Termination Resistor
J9 RS-232 / RS-422 RS-232 / RS-422 selection jumper
J10 RS-232 / RS-422 RS-232 / RS-422 selection jumper
Definitions
Multi-drop
Used to enable / disable the multi-drop feature for communication to
multiple controls through one link program..
Host
Used to configure the card as a host serial card for multi-drop. Requires
additional Hardware.
Termination Resistor
The Termination Resistor is used to add resistance to the communications
system for the end controls in a multi-drop system.
RS- 232 / 422 Configuration
The jumpers on J9 and J10 would be placed in position for RS-232 or RS-422 for operation on the
appropriate port. Selection may very slightly depending on control type.
J1
R
I
B
B
O
N
C
A
B
L
E
BMD
AMD
BTR ATR
RS-422 RS-422
AHST
5V
BHST
J5 J6
J2
J3
J7 J8
RS-232 RS-232
J9 J10