RTS EKP-632 User Manual page 112

A selectable RS232/485 serial port is at connector J1. Jumper connections on J10, J11, and J12 select the
signal mode on J1.
•
When J10, J11, and J12 are jumped from pins 1 to 2 - J1 is configured for RS485.
•
When J10, J11, and J12 are jumped from pins 2 to 3 - J1 is configured for RS232.
J21 must be jumped from pins 1 to 2 to select UART B for RS485 RVON-1 keypanel operation.
J2 Connector
The RVON-1 card is designed to be used with either a keypanel or an RVON-IO card. The J2 connec-
tor mounts the RVON-1 card onto a keypanel.
RS232 debug serial port via Connector J3.
J3 is a 6-pin header that connects to RS-232 compatible serial ports of the TNETV2020.
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Jumpers and Connections
RVON-1 User Manual