Options xe "options, A.2 options – Comtech EF Data SDM-300L User Manual
Page 79

Options
SDM-300L Satellite Modem
A–6
Rev.
2
A.2 Options
A summary of the options available for the unit is provided in Table A-2. Contact
Comtech EFData Customer Support for the availabilty status of the the desired option(s).
Table A-2. Options Summary
Option
Description & Comments
SDM-300L1
SDM-300L2
Install
Option
Single Data/Code Rate
Yes
Yes
FAST
Low Rate Variable
≤
512 Kbit/s
Yes Yes
FAST
Full Rate Variable
QPSK maximum is 4.375 maximum
Yes
Yes
FAST
OQPSK
Yes
Yes
FAST
TX = 70 / 140 MHz, RX = L-Band
Yes
Not Available
Factory
TX = L-Band, RX = L-Band
Not Available
Yes
Factory
RX Only, L-Band
Not Available
Yes
Factory
TX = 50
Ω
IF Impedance
Yes
Standard
Factory
TX = 75
Ω
IF Impedance
Standard
Not
Available
Factory
Sequential or Viterbi Codec
Modem can be supplied with either:
Viterbi, Sequential or both
Yes Yes
FAST
TX Reed-Solomon Codec
Concatenates with Viterbi or Sequential
Yes
Yes
User
RX Reed-Solomon Codec
Concatenates with Viterbi or Sequential
Yes
Yes
User
Asymmetrical Loop Timing (SCT)
Yes
Yes
FAST
Asynchronous (Async/AUPC) Interface
with 50 pin D Connector
Requires Overhead Card. Includes
automatic uplink power control (AUPC)
Yes Yes
User
High Stability Reference. Internal stability
=
±
0.02 PPM, with the ability to drive out
the external reference connector
Yes
(Optional)
Standard
Factory
G.703 Interface. Note, For BNC or 15 pin
D interface see UB-530 breakout panels.
Requires Overhead Card with 50 pin D
Connector
Yes Yes
User
37-Pin Female D Connector
EIA-422/EIA-449 Interface and
Mil-188-114
Yes Yes
User
25-Pin Female D Connector
EIA-530 (RS-422), EIA-232 and V.35
Yes
Yes
User
34-Pin Female V.35
“Winchester” Connector with V.35
Yes
Yes
User
50-Pin Female D Connector for use
Without Overhead card.
Inlcudes EIA-422, EIA-232, and V.35
Use with redundancy switches
Yes Yes
User
Primary Power: Auto-ranging AC 85 to
264 VAC
Yes
Yes
Factory
Future Or Not Available
-30 to -5 dBm IF output (low power)
Output 2nd Harmonics:
<
45 dBc at data rates
<
64 kbit/s
<
50 dBc at data rates
≥
64 kbit/s
Not Available
Not Available
Factory
8PSK, 2/3 rate, IESS-310
Requires Viterbi and Reed-Solomon
Codec
Not Available
Not Available
User
8PSK, 2/3 rate, EFD Mode
Requires Viterbi Codec
Not Available
Not Available
User
IBS and IDR Interface
Requires Overhead Card
Not Available
Not Available
User
Drop & Insert Interface
Requires Overhead Card
Not Available
Not Available
User
Flex Mux
Not Available
Not Available
User
Mux Available
in:
4-Channel
8-Channel
Not Available
Not Available
User
Primary Power: 48 VDC
Yes (Future)
Yes (Future)
Factory
ODU DC Power: 15V, 24V, 28V or 48V.
Primary input = AC Only
3 Amps maximum or less depending upon
power supply.
Not Available
Yes
(Future)
Factory