Title: Hardware Installation Guide.pdf
TxA and RxA must be jumpered together on the terminal strip inside the converter (see diagram). TxB and RxB must be jumpered together on the terminal strip inside the converter (see diagram).236 — revision 6Hardware Installation Guide4-wire RS-485 ConfigurationBlack Box LD485A1 WS17Black Box LD485A1 WS17EEDDCC1 W6B1 W6BED8 WAED8 WACCCCCCBBBBBBAAAAAA1 9 WA B C D E1 W5CBAA1 9 WBCDE1 W5CBA9 W9 W17 VACBIAS S3TERM. S25 WA B C17 17VAC VACBIAS S3TERM. S25 WAB CXW1BXW1AXW1BXW1AA x TB x TA x RB x R25-Pin Serial ConnectorA x TB x TA x RB x R25-Pin Serial Connector732732+ 1 R TD X T1 R TD X RS T R+ 1 RS T C1 RD N G+ 2 R T2 R TD N G+ 3 R T3 R TD N G+ 4 R T4 R TD N G+ 5 R T5 R TD N G1 2 3 4 5 6 7 81 S5 J