TSAT 3000 - Telemetry and data transfer via SATellite
TSAT 3000 Configuration Parameter Description, January 2013 Page 66 of 124
RT Configuration
Bits Field Value Mnemonic Description
0 – 7 0x0000.00FF 0 – 255
SRR_PACKETS
The transmit queue threshold value. I.e. the
RT will request Inbound slots whenever it is
sending an Application- or Management-
packet to HUB, and the number of packets
waiting for transmission to the HUB is greater
or equal this value.
8 – 15 0x0000.FF00 0 – 255
SRR_WAIT
0 (default) => value 4 [seconds].
255: Disable “Wait for Reserved Slot” option.
Else: Enable “Wait for Reserved Slot” option.
That is: Whenever an Application- or
Management-packet is sent, a
SRR_WAIT
second timer is started, and as long as this
timer is running, the RT will only be
allowed to send in slots that are reserved
to this RT.
16 0x0001.0000 0 – 1
SSR_OPTION
Always start reserving slots when number of
stored packets waiting for transmission is
greater or equal
SRR_PACKETS.
0 (default): Continue reserving slots as RT has
something to send to HUB within the
SRR_WAIT period.
1: Continue
reserving slots as long as more or
equal
SRR_PACKETS are waiting for
transmission to the HUB.
17 – 31 0xFFFE.0000 0
RESERVED
n/a
The options may also be visualized as:
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RESERVED OP SRR_WAIT SRR_PACKETS
0 0/1 0…255 seconds 0…255 packets
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