Specifications

SDM-300L3 Satellite Modem Revision 0
Remote Control Operation MN/SDM300L3.IOM
A–15
RF Mode
Control
Command:
Response:
Status:
Response:
<add/RFMD_xxxx'cr'
>add/RFMD_xxxx'cr''lf']
<add/RFMD_'cr'
>add/RFMD_xxxx'cr''lf']
Where: xxxx = NRM (Normal Mode), PWR (Turn RF off on
power up), COMM (Turn RF off on power up and loss of
remote communications after 10 seconds), CD (Turn RF
ON when carrier is detected, turn RF OFF when no carrier
is detected. For the RF ON condition, the TX-IF must be
programmed ON. Note: RTS TX-IF, when enabled over-
rides CD).
This command allows for the RF output to be enabled or
disabled depending on the following described conditions.
One application for this command will be in demand
network systems.
A.3.5 Automatic Uplink Power Control (AUPC)
AUPC Local
Enable
Command:
Response:
Status:
Response:
<add/LPC_xxx'cr'
>add/LPC_xxx'cr''lf']
<add/LPC_'cr'
>add/LPC_xxx'cr''lf']
Where: xxx = ON or OFF.
Notes:
1. When programmed ON, the MOP (Modulator
Output Power) command is not allowed, only MOP
status is allowed.
3. ASYNC or AUPC Overhead only.
AUPC
Nominal
Power Level
Command:
Response:
Status:
Response:
<add/NOMP_snn.n'cr'
>add/NOMP_snn.n'cr''lf']
<add/NOMP_'cr'
>add/NOMP_snn.n'cr''lf']
Where: snn.n = -30.0 to -5.0, in 0.1 steps (nominal range
in dBm).
Notes:
1. The nominal power range is modified relative to
the value specified by the modulator power offset
(MPO_).
2. ASYNC or AUPC Overhead only.
AUPC
Maximum
Power Limit
Command:
Response:
Status:
Response:
<add/MAXP_snn.n'cr'
>add/MAXP_snn.n'cr''lf']
<add/MAXP_'cr'
>add/MAXP_snn.n'cr''lf']
Where: snn.n = -30.0 to -5.0, in 0.1 steps (nominal range
in dBm).
Notes:
1. The nominal power range is modified relative to
the value specified by the modulator power offset
(MPO_).
2. ASYNC or AUPC Overhead only.
AUPC
Minimum
Power Limit
Command:
Response:
Status:
Response:
<add/MINP_snn.n'cr'
>add/MINP_snn.n'cr''lf']
<add/MINP_'cr'
>add/MINP_snn.n'cr''lf']
Where: snn.n = -30.0 to -5.0, in 0.1 steps (nominal range
in dBm).
Notes:
1. The nominal power range is modified relative to
the value specified by the modulator power offset
(MPO_).
2. ASYNC or AUPC Overhead only.
AUPC
Eb/N0
Target Set
Point
Command:
Response:
Status:
Response:
<add/ENSP_nn.n'cr'
>add/ENSP_nn.n'cr''lf']
<add/ENSP_'cr'
>add/ENSP_nn.n'cr''lf']
Where: nn.n = 3.2 to 16.0, in 0.1 increments (Eb/N0 in
dB).
Note: ASYNC or AUPC Overhead only.
AUPC
Maximum
Tracking
Rate
Command:
Response:
Status:
Response:
<add/MAXT_n.n'cr'
>add/MAXT_n.n'cr''lf']
<add/MAXT_'cr'
>add/MAXT_n.n'cr''lf']
Where: n.n = 0.5 to 6.0, in 0.5 increments (max tracking
rate in dBm/minute).
Note: ASYNC or AUPC Overhead only.