Specifications

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata m.doc
1
Errata M
Comtech EF Data Documentation Update
Subject:
Add Burst Mode Requirements
Date:
December 1, 2003
Document:
SDM-300L3 Satellite Modem Installation and Operation Manual,
Rev. 0, dated August 1, 2002
Part Number:
MN/SDM300L3.EM0
Collating Instructions:
Attach this page to page A-5
Comments:
The following changes provide updated information for page A-5. This information will be
incorporated into the next revision.
Change Specifics:
Modulator
Rate Preset
Assignment
Command:
Response:
Status:
Response:
<add/AMRx_nnnn_mmmm.mmm'cr'
>add/AMRx_nnnn_mmmm.mmm'cr''lf']
<add/AMRx_'cr'
>add/AMRx_nnnn_mmmm.mmm'cr''lf']
Where:
x = A, B, C, D, or V [preset designator].
nnnn = 1/2 (QPSK 1/2 Turbo and non-Turbo), [coder
rate], 3/4 (QPSK 3/4 Turbo and non-Turbo), 7/8
(QPSK 7/8), BP12 (BPSK 1/2), 8P23 (8PSK 2/3),
OQ12 (OQPSK 1/2Turbo and non-Turbo), OQ34
(OQPSK 3/4 Turbo and non-Turbo), OQ78 (OQPSK
7/8), BPSK (BPSK1/1 Turbo and non-Turbo), QPSK
(QPSK 1/1 Turbo and non-Turbo), OQSK (OQPSK 1/1
Turbo, and non-Turbo), 2144 (BPSK 21/44 Turbo
Only), B516 (BPSK 5/16 Turbo Only), and 8P34
(8PSK 3/4 Turbo Only).
mmmm.mmm = Data rate in kHz.
Burst Mode = nnnn=1/2
mmmm.nnn =19.2 or 57.6 kbps
Modulator
Rate
Variable
Assignment
& Selection
Command:
Response:
Status:
<add/SMRV_nnnn_mmmm.mmm'cr'
>add/SMRV_nnnn_mmmm.mmm'cr'
RF_OFF'cr''lf']
See MR command.
Where: mmmm.mmm = Data rate in kHz.
nnnn = 1/2 (QPSK 1/2 Turbo and non-Turbo), [coder
rate], 3/4 (QPSK 3/4 Turbo and non-Turbo), 7/8
(QPSK 7/8), BP12 (BPSK 1/2), 8P23 (8PSK 2/3),
OQ12 (OQPSK 1/2 Turbo and non-Turbo), OQ34
(OQPSK 3/4Turbo and non-Turbo), OQ78 (OQPSK
7/8), BPSK (BPSK1/1 Turbo and non-Turbo), QPSK
(QPSK 1/1 Turbo and non-Turbo), OQSK (OQPSK 1/1
Turbo, and non-Turbo), 2144 (BPSK 21/44 Turbo
Only), B516 (BPSK 5/16 Turbo Only), and 8P34
(8PSK 3/4 Turbo Only).
mmmm.mmm = Data rate in kHz.
Burst Mode = nnnn=1/2
mmmm.nnn =19.2 or 57.6 kbps
Note: Setting the modulator turns off the RF transmitter.