Premier Mounts CDM-600 Manuale Utente
CDM-600 Satellite Modem
Revision 7
Remote Control
MN/CDM600.IOM
15–7
Modem Alarms
Relay outputs (Tx, Rx & unit faults)
Demodulator I & Q test outputs (constellation)
Demodulator Rx Signal Level output (0 to 2.5 volts)
External carrier off input
Demodulator I & Q test outputs (constellation)
Demodulator Rx Signal Level output (0 to 2.5 volts)
External carrier off input
15-pin D-sub (male)
IDR BWA Outputs
4 backward alarm Form C relay outputs
15-pin D-sub (female)
Remote Control
RS-232 or RS-485 modem control and monitoring
9-pin D-sub (male)
ADPCM Audio Interface
2 audio channels, each occupying 32 kbps bandwidth as part of IDR
overhead or as a 64 kbps primary data rate option.
600
overhead or as a 64 kbps primary data rate option.
600
Ω balanced – 0 dBm0 nominal, -6 to +8 dB, 2 dB steps
9-pin D-sub (female)
Auxiliary Serial
RS-232 link to other modem in 1:1 pair, via CRS-150
USB Type B Socket
15.4
Automatic Uplink Power Control
Operating Mode
Requires Closed Network Framed mode (EDMAC, D&I++, or ESC++) for transport of Eb/No information
from remote modem (EDMAC can be enabled or disabled)
from remote modem (EDMAC can be enabled or disabled)
Target Eb/No range
0 to 9.9 dB at remote demod (default is 4.0 dB)
Max AUPC range
0 to 9 dB (default is 3 dB)
Monitor functions
Remote demod Eb/No
Tx power level increase
(front panel or via remote control interface)
Tx power level increase
(front panel or via remote control interface)
15.5 Framing
Summary
Transparent
EDMAC
IDR
IBS
D&I
D&I++
ESC++
Overhead
added
added
None
To 2 Mbps:
1.5%
Above 2 Mbps:
1.5%
(see Note 2)
1.5%
Above 2 Mbps:
1.5%
(see Note 2)
Fixed 96 kHz
1/15 of front
panel data rate
panel data rate
1/15 of front
panel data rate
Terrestrial is T1
or E1
panel data rate
Terrestrial is T1
or E1
1/45 of front
panel data
rate
Terrestrial is
T1 or E1
panel data
rate
Terrestrial is
T1 or E1
Variable:
between
11.76% at
64 kbps
to 1.58%
above
7 Mbps
between
11.76% at
64 kbps
to 1.58%
above
7 Mbps
Available
data rates
and format
data rates
and format
All rates and
formats
formats
All rates and
formats
formats
T1, E1, T2 and
E2; all formats
E2; all formats
64 to 2048
kbps only; all
formats
kbps only; all
formats
Specific
multiples of 64
kbps only
multiples of 64
kbps only
Any multiple
of 64 kbps, up
to n = 24.
of 64 kbps, up
to n = 24.
All rates
and formats
and formats
Overhead
components
components
None Remote
control
link between
modems’
processor
plus AUPC
modems’
processor
plus AUPC
EIA-422 ESC
(8 kbps)
EIA-422 ESC
(64 kbps or 2
audio links)
4 BW alarms
(8 kbps)
EIA-422 ESC
(64 kbps or 2
audio links)
4 BW alarms
EIA-232 Earth
station link at
1/480
station link at
1/480
th
of
primary data
rate
One BW alarm
rate
One BW alarm
EIA-232 Earth
station link at
1/480
station link at
1/480
th
of
primary data
rate
One BW alarm
rate
One BW alarm
Same as
EDMAC, plus
EIA-232 Earth
station link at
1/576
EDMAC, plus
EIA-232 Earth
station link at
1/576
th
of
primary data
rate
rate
EIA-232
Earth
station link
at variable
rate, plus
AUPC
Earth
station link
at variable
rate, plus
AUPC
Additional
Reed-
Solomon
Overhead
Reed-
Solomon
Overhead
200/180
219/201 for
IESS-310
mode
219/201 for
IESS-310
mode
200/180
T1 = 225/205
E1 = 219/201 and
IESS-310 mode
T2/E2 = 94/178
E1 = 219/201 and
IESS-310 mode
T2/E2 = 94/178
126/112
219/201 for
IESS-310 mode
219/201 for
IESS-310 mode
126/112
219/201 for
IESS-310 mode
219/201 for
IESS-310 mode
126/112 126/112
Scrambling
(see
Note 1 )
(see
Note 1 )
Basic ITU
V.35
(Intelsat)
V.35
(Intelsat)
Proprietary
scrambler
scrambler
Basic ITU V.35
(Intelsat)
(Intelsat)
IESS-309
scrambler
scrambler
IESS-309
scrambler
scrambler
Basic ITU
V.35 (Intelsat)
V.35 (Intelsat)
Proprietary
scrambler
scrambler
Notes:
1. Reed-Solomon is Off.
2. 1.5 % for Rates 5/16 or 21/44 BPSK Turbo, Rate 1/2 QPSK/OQPSK Turbo, and all rates > 2 Mbps
2. 1.5 % for Rates 5/16 or 21/44 BPSK Turbo, Rate 1/2 QPSK/OQPSK Turbo, and all rates > 2 Mbps