ECU-4553 Series User Manual
16
3.2
Jumper Setting
3.2.1
Jumper Setting
The motherboard of ECU-4553 has two types of jumper for user operation, as the
below shown.
Figure 3.2 Jumper on the back motherboard
Default: Empty
Table 3.9: Jumper Setting of Terminal Resistor For COM(1~16)
Location
Description
CN65 COM1
Add 120 ohm terminal resistor on Data+/Data- of
RS-485
CN67
CN53
CN64
CN66
CN51
CN80
CN81
CN84
Add 300 ohm terminal resistor on Data+/Data- of
RS-485
CN82
CN92
CN94
CN96
CN93
CN95
CN97 COM16
Summary of Contents for ECU-4553 Series
Page 1: ...User Manual ECU 4553 Series 2021 Model Hardware User Manual ...
Page 8: ...ECU 4553 Series User Manual viii ...
Page 9: ...Chapter 1 1 Introduction ...
Page 14: ...ECU 4553 Series User Manual 6 ...
Page 15: ...Chapter 2 2 Hardware Function ...