Operating instructions

User Interfaces DMD50 Universal Satellite Modem

4-20 TM118 – Rev. 1.1

REF FREQ SRC {INTERNAL, EXTERNAL, HIGH STABILITY}

Allows the user to select the Frequency Reference

Source. High Stability is only displayed if the appropriate

hardware is detected.

REF FREQ (MHz) Allows the user to select the reference clock frequency

in MHz.

TX ASYNC MODE (menu)

TX ASYNC MODE {ES-ES, ESC ENHANCED}

ES-ES is the normal IBS Async Channel. ESC

Enhanced can be selected in Closed Net and uses the

Overhead Signaling bytes in the IBS Overhead to pass

asynchronous data.

ES INTERFACE {RS-232, RS-485}

Allows the user to select the interface type.

ES BAUD RATE {150 - 19200}

Allows the user to select the baud rate in Enhanced

Async Mode. Available rates are listed in Table 3-3.

ES BITS/CHAR {7,8}

Allows the user to choose between 7 or 8 bit data.

RX ES ENHANCED (menu)

RX ASYNC MODE {ES-ES, ESC ENHANCED}