Comtech EF Data SDM-300L3 User Manual

Page 123

SDM-300L3 Satellite Modem

Revision 1

Front Panel Operation

MN/SDM300L3.IOM

4–55

FUNCTION SELECT: CONFIGURATION: FLEX MUX:

TX CHAN #3 MODE

SYNC RS422

TX CHANNEL 3 MODE:

ASYNC RS232, SYNC RS232, ASYNC RS422, SYNC

RS422,

AUPC, or DISABLED

Async communications are fixed at 10 bits per word.

AUPC can be enabled only on either Tributary 3 or Tributary 4. The AUPC channel
operates at 600 bps.

FUNCTION SELECT: CONFIGURATION: FLEX MUX:

TX CHAN #3 DATA RATE

TX CHAN #3 DR

64.0 Kbps

SYNC RS422: 0.6 to 4000.0 kbps
All other modes: 0.6 to 64.0 kbps

Channels 3 and 4 data rates are in steps of 100 bps.

Note: DR command is not displayed if AUPC or DISABLED were selected for MODE.

FUNCTION SELECT: CONFIGURATION: FLEX MUX:

TX CHAN #3 PHASE

TX CHAN #3 PHASE
CLK:NRM DATA:NRM

TX CHANNEL 3 PHASE: NRM or INV (for both clock and data phase)

Note: PHASE command is not displayed if AUPC or DISABLED were selected for
MODE.