Comtech EF Data DMD2401/DMD2401L - Manual (Page 43)

User Interfaces DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
4-4 TM065 – Rev. 3.3
4.2 Front Panel Control Screen Menus
The DMD2401 Front Panel Control Screens are broken down into sections under several Main
Menus.
4.2.1 Main Menus
Modulator
Demodulator
Interface
Monitor
Alarms
System
Test
4.2.2 Modulator Menu Options and Parameters
Mod Mode:
{IDR, IBS, D&I, Closed Net}
Used with IDR, or IBS Interface Only.
Sets a number of parameters within the modem to meet
a set specification. The purpose is to eliminate
keystrokes and potential compatibility problems.
Additionally, data rates not covered by the given mode of
operation will not be allowed. If the mode of operation is
selected after the data rate has been entered, then the
data rate must be compatible with the desired mode of
operation or the mode will not be allowed. The following
parameters are set for the given mode of operation:
IDR Mode:
(IESS-309)
For Data Rates: 1.544, 2.048 (Mbps)
Framing Type: 96 Kbps (IDR)
Scrambler Type: V.35 - IESS
Spectrum Mask: Intelsat
IBS Mode:
(IESS-308)
Data Rates: 1.544, 2.048 (Mbps), n x 64
Framing Type: 1/15 (IBS)
Scrambler Type: IBS
Spectrum Mask: Intelsat