GE 240 - Figure 11: GE Model 240 X Reader to Micro

18 GE Contactless Smart Card Reader Model 24x
FIGURE11:GEModel24xReadertoMicro
If using a J-Box relay as a dry contact, place a jumper across J4, pins 1 and
2 as shown in Figure 11 above. Connect the power supply in series with
the door strike.