Com Port Ri And Voltage Selection; Table 3-5: Com1 Ri And Voltage Selection Jumper; Table 3-6: Com1 Ri Voltage Selection Jumper; Table 3-7: Com2 Ri And Voltage Selection Jumper - Acnodes PC 5170 User Manual

3.5.5 COM port RI and Voltage Selection

Use JP7 and JP9 to set pin 9 of COM1 as signal RI or voltage source.
JP9
2-3 closed
1-2 closed

Table 3-5: COM1 RI and Voltage Selection Jumper

JP7
2-3 closed
1-2 closed

Table 3-6: COM1 RI Voltage Selection Jumper

NOTE:
The use of pin 2-3 or pin 1-2 of JP7 does not make any difference when pin 2-3
of JP9 is in use.
Use JP6 and JP8 to set pin 9 of COM2 as signal RI or voltage source.
JP8
2-3 closed
1-2 closed

Table 3-7: COM2 RI and Voltage Selection Jumper

Page 48
DESCRIPTION
COM1 RI PIN Use RI
COM1 RI PIN Use Voltage
DESCRIPTION
COM1 RI PIN Use Voltage +12V
COM1 RI PIN Use Voltage +5V
DESCRIPTION
COM2 RI PIN Use RI
COM2 RI PIN Use Voltage
PC 5170 Flat Panel PC
ACNODES ® Corp.