Comtech EF Data SDM-300L3 - Manual (Page 186)

SDM-300L3 Satellite Modem Revision 1
Front Panel Operation MN/SDM300L3.IOM
4–118
4.6.6.7 FUNCTION SELECT: UTILITY: MODEM TYPE
UTILITY
MODEM TYPE
Select information to view using the [
← ] [ → ] arrow keys, then press .
FUNCTION SELECT: UTILITY: MODEM TYPE: MODEM TYPE
MODEM TYPE
CUSTOM
Several selections from this menu require optional hardware and software. (Also, refer to
Chapter 5.)
Modem Type Description
Custom Access to all modems. Use caution, incompatible configuration parameters are
possible.
EFD Closed Network operation
IBS IESS-309 compliant with RS = 112/126 and interoperable with legacy EFD equipment
programmed to IBS Modem Type.
IDR IESS-308 compliant operation
309 IBS IESS-309 compliant operation
VSAT IBS VSAT IBS operation (No Overhead Card) with RS = 201/219.
AUPC AUPC – The TX and RX Reed-Solomon cards. Provides AUPC operation only and No
ASYNC channel.
ASYNC ASYNC (/AUPC) – requires the installation of an Overhead card. Provides AUPC
operation and a separate ASYNC channel.
D&I IESS-308-5 Drop & Insert operation
When the modem is changed from one type of operation to another, the modem will be
reset to the default configuration of the new modem type. The RF-IF Output shall be
tuned On to get the modem to lock.
• If the existing modem type is the same as the type entered, the modem will not
change any parameters.
• If the modem type is changed to Custom, No parameters will be changed.
• If the modem will not allow the modem type selection, that type of operation
may not be an available option. Select MODEM OPTIONS and OVERHEAD
OPTIONS to locate which modem operations are allowed.