Specifications

5–1
Chapter 5. MODEM TYPE
This section provides additional detail about the Modem Type setting located under the
Function Select: Utility: Modem Type menu.
5.1 Modem Type
This section provides additional detail information about the Modem Type setting located under
the Utility: Modem Type menu.
Refer to Table 5-1 for configuring the modem to the following types of operation. Each type allows
the user to operate the modem under the requirements of the configuration specifications listed
below.
Table 5-1. Modem Type Selection
Configuration Specification
IDR ( Intermediate Data Rate) IESS-308
IBS (INTELSAT Business Service) IESS-309, Legacy EFD equipment when RS=ON,
K/N =112/126
309 IBS IESS-309, when RS=ON, K/N = 201/219
VSAT IBS INTELSAT compliant mode with NO Overhead and
RS = 201/219
D&I (Drop & Insert) IESS-308-5
ASYNC Asynchronous Overhead, including AUPC
AUPC AUPC on Reed-Solomon Card, No Async
EFD Closed Network
Custom Access all modes