Sonic KSE-310 - EXTERNAL TRIGGER OUTPUT Signal Standard

Ⅲ-IV-7
4-3-2 EXTERNAL TRIGGER OUTPUT signal
standard
(1) Standard
Fig. 4-6 EXTERNAL SYNC signal input standard
(2) Switching the logic
EXTERNAL TRIGGER OUTPUT can be switched between the negative
logic and positive logic. It can be set at JP4 on IF46B circuit board in PRC-
63 Type Computing Unit.
Fig. 4-7 IF46B circuit board silk screen drawing and JP4
Table 4-7 Switching of the EXTERNAL TRIGGER OUTPUT logics
JP4
Logic
1-2 short
Negative logic (default setting)
2-3 short
Positive logic
5ms
Level: HIGH (5.0 - 4.5V)
LOW (0.5 -0.0V)
Open collector: Max. 50mA
5ms
EXTERNAL TRIGGER
OUTPUT (negative
logic)
Level: HIGH (5.0 - 4.5V)
LOW (0.5 - 0.0V)
Open collector: Max.50mA
EXTERNAL TRIGGER
OUTPUT (positive
logic)