Digi One IAP Haz - Page 23

Administration tasks Run diagnostics
Digi One IAP Family User Guide
23
Screw terminal connector
Signal
RS232
Signal
RS485
Pin 1 RTS RTS+
Pin 2 DTR RTS-
Pin 3 Tx TX+
Pin 4 RI TX-
Pin 5 GND GND
Pin 6 Rx RX+
Pin 7 DSR RX-
Pin 8 CTS CTS+
Pin 9 DCD CTS-
232 loopback for screw terminal
n Connect Pin 1 to 8
n Connect Pins 2, 4, 7, 9
n Connect Pin 3 to 6
485 loopback for screw terminal
n Connect Pin 1 to 8
n Connect Pin 2 to 9
n Connect Pin 3 to 6
n Connect Pin 4 to 7