Comtech EF Data SDM-300A - Manual (Page 68)

SDM-300A Satellite Modem Revision 6
Installation/Upgrades MN/SDM300A.IOM
3–12
the lithium battery NV-RAM (large Black or Yellow IC, U95). U74 is located in the center
socket position.
3. If required, reinstalled the Overhead card and secure with seven mounting screws then
replug the I/O Module into the rear panel location. Reinstall the four mounting screws.
4. Reposition the top cover so forward edge mates under the front Panel lip. While holding in
place, reinstall the two slide screws.
5. Turn on the AC power to the modem. Modem shall re-initialize.
Turbo Setup
1. Press the [
→] or [←] arrow key until the screen reads: Function Select: Utility, then press
the <ENTER> key.
2. Press the [ →] arrow key until the screen reads: Utility: Modem Type, then press the
<ENTER> key.
3. Press the [ ↑] or [↓] arrow key until the screen reads: Modem Type: Custom, or Modem
Type EFD, then press the <ENTER> key. Now press Clear.
4. Press the [ →] arrow key until the screen reads: Utility: Modulator, the press the
<ENTER> key.
5. Press the [ →] arrow key until the screen reads: Encoder Type, the press the <ENTER>
key, then [ ↑] arrow key to get “Turbo”, press <ENTER>.
6. Press Clear, then press the [ →] arrow key until the screen reads: Utility: Demodulator, the
press the <ENTER> key.
7. Press the [ →] arrow key until the screen reads: Decoder Type, the press the <ENTER>
key, then [ ↑] arrow key “Turbo”, press <ENTER>.
Notes:
1. In this configuration, the modem will allow only valid Data Rates and Formats for
Turbo.
2. Open-Network modem types cannot be selected.