TSAT 3000 - Telemetry and data transfer via SATellite
TSAT 3000 Configuration Parameter Description, January 2013 Page 97 of 124
3.12 PACKET PARAMETERS
3.12.1 PKT_MAX_SIZE
Ver <= 30.3.1: Default 256, Range 100…2100 – BOOT
Ver >= 30.4.0: Default 256, Range 256…2100 – BOOT
Set the size of the CCU’s internal packet structure, and must at least be 60 bytes larger than
PKT_OUTBOUND_SIZE (which defines the actual satellite Link packet size).
Note: Due to an error in ver 30.3.0 & 30.3.1, PKT_MAX_SIZE must be >= 336 bytes in such units.
3.12.2 PKT_OUTBOUND_SIZE
Default 60, Range 28…2040
Set the number of bytes in a satellite Link packet from HUB to RT. It should at least be greater or
equal 28 bytes, due to the size of
SYNC packets.
Note: When PPR is enabled, the minimum PKT_OUTBOUND_SIZE is increased:
• 30 bytes when
PPR_PULSES = 2…8
• 31 bytes when
PPR_PULSES = 9…15
See
PHL_SLOT_PHASE_MODE.
Note: DSP will be restarted 10 seconds after you’ve changed CURRENT value.
Ver >= 30.8.0: Restart of DSP is enabled by bit 2 (0x0004) in
UTL_UTILITY_MASK.
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