Table G-1. Local Aupc Functions; Table G-2. Remote Aupc Functions (Ef Aupc Only - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem
When the rain diminishes, Local modem will see the remote Es/No begin to increase. Local
modem will lower its power level. The operation is therefore a feedback control loop with the
added complication of a significant time delay.
The AUPC Menu Functions and their descriptions are shown in Table G-1 and Table G-2.
Function
AUPC MODE
NOMINAL POWER
MINIMUM POWER
MAXIMIM POWER
TARGET Eb/No
TARGET Es/No
RANGE Es/No
TRACKING RATE
LOCAL CL ACTION
REMOTE CL ACTION
1. The AUPC Menus are located under the Modulator Menu as shown in Section 4
2. The EF AUPC Menu displays when EFAUPC Framing is enabled in the Demod and Mod set up menus.
3. Highlighted areas are activated when modem is set to EF AUPC
Function
AUPC MODE
LOOPBACK
TX 2047 TEST BER
RX 2047 BER
AUPC DEF LVL
The Remote AUPC Menus are only supported by EFAUPC
MN-DMD2050E Revision 2

Table G-1. Local AUPC Functions

AUPC Available Options
DISABLE, NEARSIDE,
RADYNE, EFDATA
0 TO -25 dB
0 TO -25 dB
0 TO -25 dB
4.0 TO 16 dB
0.0 TO 25 dB
0.0 TO 2.0 dB
6.0 to 0.5 dB/MIN
HOLD, MAXIMUM, NOMINAL
HOLD, MAXIMUM, NOMINAL

Table G-2. Remote AUPC Functions (EF AUPC Only)

AUPC Available Options
Disable, EFDATA
Enabled/Disabled
Enabled/Disabled
Status Menu
Description
Enables/Disables the AUPC to function locally
Sets default output power to be used
Sets minimum output power to be used
Sets maximum output power to be
Desired E /N of remote modem
b 0
EBEM MODE ONLY: Desired E
modem
EBEM MODE ONLY: Dead range of desired E
where no action is taken
Adjustable in .5dB increments
Allows user to determine what power setting the
remote modem will use in the event of a carrier loss
at the local side.
This setting allows users to determine what local
output power setting to use in the event that the
remote end has a carrier loss.
.
Description
Enables/Disables the AUPC to function remotely
Loop back test over satellite link
Initiates 2047 Test pattern BER Test
Identifies the BER status on the distant RX side
Sets default output power to be used
AUPC Operation
/N of remote
s 0
/N
s 0
G–4