Comtech EF Data SDM-300A - Manual (Page 323)

SDM-300A Sattellite Modem Revision 6
Flex Mux MN/SDM300A.IOM
15–3
Table 15-1. System Specification
System Specification
Number of Channels 1 to 4, Each Channel is independently configurable.
User Channel #1
Drop and Insert G.703 E1 with Nx64 kbps channels.
G.703T 1 with Nx64 kbps channels.
User Channel #2
ADPCM Audio Channel 32 kbps audio channel 600 Ω, balanced 4-wire.
User Channel #3
AUPC Channel Automatic Uplink Power Control (AUPC) is included to provide remote output power
adjustment capability.
Note: AUPC can not be selected for Channels #3 and #4 simultaneously.
User Channel #3
Auxiliary Data Channel EIA-422 SYNC/ASYNC with CTS flow control, 0.6 to 40000 kbps (in 100 bit steps).
EIA-232 SYNC/ASYNC with CTS flow control, 0.6 to 64 kbps (in 100 bit steps).
User Channel #4
AUPC Channel AUPC is included to provide remote output power adjustment capability.
Note: AUPC can not be selected for Channels #3 and #4 simultaneously.
User Channel #4
Auxiliary Data Channel #2 EIA-485 ASYNC, 0.6 to 64 kbps (in 100 bit steps).
EIA-232 SYNC/ASYNC with CTS flow control, 0.6 to 64 kbps (in 100 bit steps).
Aggregate Data Rate 4.8 to 4001.3 kbps, the aggregate data rate is the sum of all tributary data rates plus the
multiplex overhead.
Multiplex Overhead 1.3 kbps.