AMT-70/AMT-73/AMT-75 Installation and Operation
TECHNICAL SPECIFICATIONS (AMT-70)
16
DESCRIPTION SPECIFICATION
MODULATOR
Data Rate 16 Kbps to 140 Mbps
Data Rate Options 16kbps to 10Mbps, 20Mbps, 52Mbps and 140Mbps
Symbol Rate 32 KSymbol to 40 MSymbol
Data Interfaces RS 530 / V35 (standard)
ASI (optional)
Single HSSI interface(standard)
Triple HSSI (optional)
Ethernet 10/100BaseT (optional)
G.703 (optional)
1 to 8 X E1/T1 (optional)
Local / Remote Monitor & Control Interfaces 9 pin D-sub (F) for RS-232 Serial interface
9 pin /d-sub (F) for RS-485 Serial interface (Terminal mode and packet
protocol mode)
15 pin D-sub (F) for Alarm interface (switch-over contact)
RJ-45 10/100BaseT Ethernet
Data Connector 25 pin, D-sub (F), standard for RS530 Data interface
BNC (F) - 75 for ASI and E3/T3 G.703 interfaces
50 pin SCSI-2 connector (F) for HSSI Data
RJ-45 for Ethernet option and for balanced bi-directional E1/T1 interface
with Octal E1/T1 card
Data Clock Source Modulator will be defined as Data Communications Equipment (DCE)
Modulation Type & FEC Rate
Note:
Refer to 9.3
for Turbo Code Rates.
Continuous Wave (CW)
BPSK:
Intelsat 1/2,3/4,7/8 Viterbi
DVB 1/2, 2/3, 3/4, 5/6, 7/8 Viterbi with RS (204,188) Outer Code, Optional
eTPC Rate 2/5 ,3/5, 3/4, 4/5,7/8, 8/9, 19/20, Optional
QPSK / OQPSK:
Intelsat 1/2, 3/4, 7/8
Selectable Intelsat (219,201) or RS (126,112) Outer Code
DVB 1/2, 2/3, 3/4, 5/6, 7/8 with RS (204,188), Optional
eTPC Rate 2/5, 3/5, 3/4, 4/5, 7/8, 8/9, 19/20, Optional
8PSK:
Intelsat IESS-310 2/3 PTCM Inner code
Selectable Intelsat (219,201) or RS (126,112) Outer Code
DVB-DSNG PTCM Rate 2/3, 5/6, 8/9 with RS(204,188), Optional
eTPC Rate 3/5,3/4, 4/5, 7/8, 8/9, 19/20, Optional
16QAM:
DVB-DSNG PTCM Rate 3/4, 7/8 with RS(204,188) code
eTPC Rate 3/4, 4/5, 7/8, 8/9, 19/20, Optional
Modulation Roll-Off Factor 12% to 35% with 1% resolution
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General