Operating instructions

DMD20/DMD20 LBST Universal Satellite Modem User Interfaces
TM103 – Rev. 2.8 4-23
SAT CH TERRCH {1-31 1-31}
The up/down arrow keys allow you to traverse the sat
terr pairings. The slot numbers may be edited using the
keypad.
Allows the user to edit the Tx Edit map and specify the
terrestrial slots that will be dropped into the assigned
satellite channels. The satellite channels are fixed and
the number of channels is determined by the data rate.
The terrestrial time slots available are determined by the
drop mode. When the user has finished editing the Tx
Edit map, it must be copied to the Tx Act map before it
will be used by the modem.
BUFFER CLOCK POL {NORMAL, INVERTED}
Allows the user to select the Buffer Clock Polarity for the
Tx Terrestrial Clock relative to the Tx Data. If G.703
Interface is selected, this selection cannot be changed.
DROP & INSERT (menu)
INSERT MODE {NONE, T1-D4, T1-ESF, PCM-30, PCM-30C, PCM-31,
PCM-31C, T1-D4-S, T1-ESF-S.}
Allows the user to select any of the above.
T1/E1 FRAME SRC {INTERNAL, EXTERNAL}
Selects the frame source for T1 or E1 framing.
TERR STREAMING {BYTE OUTPUT, PACKET OUTPUT} ASI only
Byte output = continuous
Packet output = burst
ESC CHAN#1 (dB) {-20 to +10 dB}
Allows user to select ESC Voice Channel Gain. Only
displayed when IDR NETWORK and VOICE Channel
are selected.
ESC CHAN#2 (dB) {-20 to +10 dB}
Allows user to select ESC Voice Channel Gain. Only
displayed when IDR NETWORK and VOICE Channel
are selected.
RX ASYNC MODE {ES-ES, ESC ENHANCED}
ES-ES is displayed when IBS Network Spec is selected.
ESC Enhanced can be selected in Closed Net and uses
the Overhead Signaling bytes in the IBS Overhead to
pass asynchronous data. This menu is not available
when SCC is selected.
TERR STREAMING {BYTE OUTPUT, PACKET OUTPUT} ASI only
Byte output = continuous
Packet output = burst