Q-Flex Satellite Modem Installation and Operating Handbook
12-1
Chapter 12 Specification Summary
12.1 Common Main Specifications
Parameter
Modem
Modulation
BPSK, QPSK, OQPSK, 8PSK, 8QAM, 16APSK, 16QAM,
32APSK, 64QAM
IF Frequency Range
50 to 90MHz and 100 to180MHz
L-band Frequency
Range
950 to 2250 MHz
Frequency Resolution
100Hz
Traffic Interface -
Electrical
Ethernet 10/100/1000 BaseT IP Traffic on RJ45 with link
and traffic indicators
Traffic Interface -
Options
RS422 including X.21 DCE and DTE emulation, V.35 and
RS232 on EIA530 connector 25 pin female D-type; EIA-
530 maximum 10Mbps; RS232 max 100kbps
G.703 balanced on RJ45
G.703 unbalanced on BNC female 75
Ω
STM-1/OC-3/Optical Ethernet on small-form-factor
pluggable module
LVDS 25 pin female D-type
HSSI 50 pin SCSI-2 type connector
Quad E1 (four balanced G.703 on RJ45 connectors)
User Traffic Data Rate
4.8kbps to 2Mbps
Extends base operation to 5Mbps
Extends 5Mbps to 10Mbps
Extends 10Mbps to 25Mbps
Extends 25Mbps to 60Mbps
Extends 60Mbps to 100Mbps
Extends 100Mbps to 160Mbps
Extensions are cumulative
User Traffic Data Rate
Resolution
1bps
Note
The combination of FEC rate, modulation scheme and satellite overhead limits the
traffic data rate range in all modes.
User Data Rate Range:
Closed Network
4.8kbps (9.6ksps) to 100Mbps (40Msps)
User Data Rate Range:
Closed Network Plus
ESC
As Closed Network except limits inclusive of overhead of
approximately 1.4 times the ESC baud rate. Supports ESC
rate from 110bps to 115kbps
DVB-S2
DVB-S2X
350kbps (350ksps) to 132Mbps (37.5Msps)
100kbps (100ksps) to 160Mbps (50Msps)
User Data Rate Range:
IBS
4.8kbps to 10Mbps (6.7% satellite overhead added)
User Data Rate Range:
IDR
4.8kbps to 10Mbps (96k overhead added); resolution of 8k
(limitation of frame structure)