7.6 Termination ResistorsLine termination resistors are provided for the input signals of each of theDSCLP-200/300's RS-422/485 ports. Termination may be selected or removedfor individual signal lines using jumper blocks J6-J9.RS-422 Rt = 100 ohm 1/2WRS-485 Rt = 120 ohm 1/2W+-RS-422/485 ReceiverRtRXD+ AUXIN+RXD- AUXIN-orRS-485 termination(120 omhs)RS-422 termination(100 ohms)(factory default)no terminationJumpers J6-J91 3421 3421 342Figure 21 --- RS-422/485 Line termination resistance valuesDSCLP/SSCLP-200/300 User's Manual 43
