Table 3 J4 Connector Pinout - Curtis 1204M Manual

2 — INSTALLATION & WIRING:
2 4
1 3
J4
6
Connections
The mating connector for
an external Status LED or a Curtis programmer can be connected to J4. The
pinout is as follows.
PIN
J4-1
Data input from programmer (Rx).
J4-2
Ground.
J4-3
Data output to programmer (Tx).
J4-4
+15 V.
Note: When J4 is used for a Status LED, a jumper must be added between
pins J4-1 and J4-4 as shown in the basic wiring diagram (Figure 3).
J4
is a 4-pin Molex Mini-fit Jr. or equivalent. Either

Table 3 J4 Connector Pinout

PROGRAMMER
Curtis 1204M/1205M/1209M/1221M Manual
STATUS LED
Status LED enable.
Ground.
Status LED output.
+15 V.