Comtech EF Data SDM-300A - Manual (Page 219)

SDM-300A Satellite Modem Revision 6
Modem Types MN/SDM300A.IOM
6-11
Notes:
1. For IESS-308/309 compliant operation, it is necessary to enable
INTELSAT OPEN under both the Utility: Modulator and Utility:
Demodulator menus before selecting an open network type from the
Modem Type menu under Utility: Modem Type.
2. For IESS-310 (8-PSK 2/3) compliant operation, it is necessary to make the
selections in the previous step and select TX IESS-310 Mode = On under
the Utility: Modulator menu and select RX IESS-310 Mode = ON under
Utility: Demodulator menu.
3. Data Rate is TX-X or RX-X under Configuration: Modulator or
Configuration: Demodulator menus.
4. When the modulator type is not 8-PSK, the IESS-310 ON/OFF selection
has no effect.
5. Not applicable for the SDM-300A modem. Shown for reference only.