Sigma MRX Series Manual del operador descargar pdf (Pagina 18)

APPENDIX A – SCI PROTOCOL AND INTERFACE

JUMPER SELECTION

SERIAL PORT COMMUNICATION FORMAT

RS-232 SELECTION JP2, 9 position jumper with header attached, factory default.

RS-422/485 SELECTION JP1, 9 position jumper, move header from JP2 to this position for RS-422/485.

J4, RS-422/RS-485 selector, factory default is RS-422

J5, Delete for RS-422 and RS-232 (factory default), Add for RS-485

J6, Delete for RS-422 and RS-232 (factory default), Add for RS-485

Reserved Function JP3, programming interface for U6 (factory reserved)

9 PIN 'D' RS-422/485 WIRING

PIN # FUNCTION∗ DIRECTION

1 Ground ----

2 Transmit A Output ( TX Data - )

3 Receive B Input ( RCV Data + )

4 Receive Common ----

5 N/C ----

6 Transmit Common ----

7 Transmit B Output ( TX Data + )

8 Receive A Input ( RCV Data - )

9 Frame Ground ----

∗(Same as standard: ANSI/SMPTE 207M/1984)

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Sigma MRX Series Manual del operador Pagina 18