Avnet SmartEdge - Rs232;485 Jumper; Canbus Jumper; Watchdog Jumper

SmartEdge Industrial IoT Gateway
User Guide
http://www.element14.com/gateway Page 19
RS232/485 JUMPER
 Term [default installed]: Install to enable RS422/485 bus termination (bus should be terminated on both ends only)
 Shdn: Install to shutdown the transceiver (disable)
 Slew: Install to use slow slew rate. This reduces EMI emissions but limits maximum bandwidth
 Full: Install to enable RS422/485 full duplex (4-wire)
 RS232: Install to use RS232 signaling instead of RS422/485 (Full & Term jumpers should be removed)
CANBUS JUMPER
 Term [default installed]: Install to enable CANbus termination (bus should be terminated on both ends only)
WATCHDOG JUMPER
 WDT: If this jumper is installed, the hardware watchdog timer is enabled at power-on. It must be disabled or toggled
before power-on timeout (approximately 4 minutes) else the system will reset.