Reference Manual

Table Of Contents
PMAC PCI-Lite Hardware Reference Manual
34 E-Point Jumper Descriptions
E21: Power-Up/Reset Load Source
E Point and
Physical Layout
Location Description Default
E21
B4 Jump pin 1 to 2 to reload firmware through serial or
bus port.
Remove jumper for normal operation.
No jumper
E22 - E23: Control Panel Handwheel Enable
E Point and
Physical Layout
Location Description Default
E22
A9 Jump pin 1 to 2 to obtain handwheel encoder signal
from front panel at J2-16 for CHB2 (ENC2-B).
No jumper
E23
A9 Jump pin 1 to 2 to obtain handwheel encoder signal
from front panel at J2-22 for CHA2 (ENC2-A).
No jumper
Note: With these jumpers ON, no encoder should be wired into ENC2 on JMACH1. Jumper E26 must connect
pins 1-2, because these are single-ended inputs. This function is unrelated to the encoder brought in on J2 through
Acc-39.
E28: Following Error/Watchdog Timer Signal Control
E Point and
Physical Layout
Location Description Default
E28
B7 Jump pin 1 to 2 to allow warning following error
(Ix12) for the selected coordinate system to control
FEFCO/ on J8-57.
Jump pin 2 to 3 to cause Watchdog timer output to
control FEFCO/.
Low TRUE output in either case.
2-3 Jumper installed