
The mating connector for
J4
is a 4-pin Molex Mini-fit Jr. or equivalent. Either
an external Status LED or a Curtis programmer can be connected to J4. The
pinout is as follows.
2 — INSTALLATION & WIRING:
Connections
Table 3 J4 Connector Pinout
PIN
PROGRAMMER
STATUS LED
J4-1
Data input from programmer (Rx).
Status LED enable.
J4-2 Ground.
Ground.
J4-3
Data output to programmer (Tx).
Status LED output.
J4-4
+15 V.
+15 V.
3
1
4
2
J4
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).
6
Curtis 1204M/1205M/1209M/1221M Manual