ALPHA™ Wireless Data Receiver Installation Manual
10
ALPHA 4000 Series Data Receiver Setup (continued)
Step 6: Next, find the Three-Prong Receptacle located below the Two-Prong Receptacle. If
the existing jumper is
not on the
leftmost two pins (for RS232), then remove the
jumper and place it over these two pins:
Figure 14: Installing the Three-prong jumper.
232
485
Jumper
Make sure the Three-Prong
jumper is over these two pins.