ViaSat VMBR-1520, Installation, Operation And Maintenance Manual, Page: 22 / 88

VMBR-1520 Mobile Broadband Router Installation, Operation, and Maintenance Guide
General Description
1075152 Rev. 001
1-4
Table 1-2. VMBR-1520 Mobile Broadband Router Specifications
Item Specification
Forward Link Receiver Return Link Transmitter
Modulator Specifications
Data Rates 500 kbit/s to 1 Mbit/s (100 kbit/s step)
1 Mbit/s to 3.5 Mbit/s (250 kbit/s step)
3.5 Mbit/s to 5 Mbit/s (500 kbit/s step)
5 Mbit/s to 10 Mbit/s (1 Mbit/s step)
Up to 5 Mbit/s in Spread Mode
1
Up to 10 Mbit/s in Unspread Mode
1
32, 64, 128, 256, and 512 kbit/s
1
Modulation & Code Rates Offset Quadrature Phase Shift Keying
(OQPSK) or QPSK for Spread Mode
QPSK for Unspread Mode Gaussian Minimum Shift Keying
(GMSK)
Forward Error Correction (FEC) Rate 1/3 Parallel Concatenated Convolutional Code (PCCC) Turbo Code
Link Performance 1.0 x 10
-6
BER @ 2.0 dB E
b
/N
0
Quasi-Error Free @ 2.2 dB E
b
/N
0
1.0 x 10
-3
BER @ 2.25 dB E
b
/N
0
Frequency 950 MHz to 2150 MHz 950 MHz to 1450 MHz
Frequency step size 250 kHz 250 kHz
Frequency accuracy ±0.1 µHz/Hz ±0.1 µHz/Hz
Transmit power level
-----------------------
0 dBm to –30 dBm in 0.1 dB steps
Receive power level -30 dBm to -65 dBm
-12 dBm max. composite input
-----------------------
Return loss >14 dB into 50 ohms >9 dB into 50 ohms
Internal Reference 80 MHz sine wave ±0.15 µHz/Hz
External Reference 10 MHz or 80 MHz, sine wave or clipped sine-wave, 0 dBm to +10 dBm
Reference Output 0 dBm to +5 dBm -5 dBm to +7 dBm
BUC Power
-----------------------
18 x (1 ± 5%) VDC, 1 A max.
24 x (1 ± 5%) VDC, 4 A max.
Low-Noise Block Down-converter
(LNB) Power
18 x (1 ± 5%) VDC, 700 mA max.
-----------------------
IP Address
Modem IP Address Configured by network administrator, the default is 192.168.0.1/24
User Local Area Network (LAN)
IP Address Range
Configured by network administrator
IP Address can be assigned by Built-in Dynamic Host Configuration Protocol (DHCP)
Server
Wide Area Network (WAN) IP Address Configured by network administrator
Monitor & Control (M&C) Functions
Front Panel Interface AC Switch
Light Emitting Diode (LED) for reporting AC Power, Satellite Link Status, BUC
Voltage, LAN Activity, and Fault
Rear Panel Interface BUC Voltage Select
Interface
ACU Serial: EIA-422, 38.4 kbit/s
User Ethernet: IEEE 802.3 10BASE-T/100BASE-TX, 100 Mbit/s
Terminal Console Serial: EIA-232, 19.2 kbit/s, 8 Data Bits, No Parity Bit, 1 Stop Bit
1
This is the channel data throughput.