Page 54
POC-3174B-A330 Medical Panel PC
Figure 5-7: COM Port Voltage Select Jumper Location
The COM ports pin-9 signal can be selected as 12 V or 5 V. The COM Port Voltage
selection options are shown in
Table 5-1.
J4 Description
Short 1-3 12 V (COM1)
Short 3-5 5V (COM1)
Short 2-4 12 V (COM2)
Short 4-6 5 V (COM2)
Short 7-9 COM1 RS-232 Default
Short 8-10 COM2 RS-232 Default
Table 5-1: COM Port Voltage Settings