Provides either RS‐232C, RS‐485 point‐to‐point, RS‐485 multi‐drop, or 0 to 20 mA serial loop, this additional communications board also includes clock/calendar and modem control.
Provides either RS‐232C, RS‐485 point‐to‐point, RS‐485 multi‐drop, or 0 to 20 mA serial loop, this additional communications board also includes clock/calendar and modem control.
