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nano
DVB-RCS 모뎀(Terminal) OpenRCS 4800R
- 운영체제 : 리눅스 Kernel V2.4
- 프로토콜 : TCP/IP, UDP/TCP, Uni-cast, Multicast, SNMP, IGMP, NAT
- TCP 가속, HTTP pre-fetch, Authentication, Transparent Capturing
IPSec Through pass
- 터보코드
- 자동 로그온/감시 재시도 (Automatic retry logon and watch dog)  
자동 로그온 진행 & 쉬운 로그온
-원격 소프트웨어 업그레이드
- 기업용 1U 19인치 랙타입
 
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Physical Specifications

Dimensions

1U 19'' Rack Unit for Enterprise
(440x270x40 or equivalent)
Electrical Specifications

Status Monitor Functions

SNR, Rx signal strength, Rx lock, Rx/Tx bytes, Rx/Tx bit rates, connection status

Supported Protocol

TCP/UDP/IP (with TCP acceleration), DHCP for client PCs,
IP multicast, IGMP, NAT, HTTP pre-fetch,
Authentication, Transparent Capturing, IPSec through pass, VPN tunneling

 

IP address assignment, GRE tunneling (with TCP acceleration)

Interface

10/100/1000 Mbps Ethernet (RJ45)
RS232, USB2.0

Receive/Transmit Data Rate

Maximum 120Mbps download and 4.7Mbps upload

Satellite Access

Always-on (Automatic logon) or manual logon/logout
Environmental Specification

Operating Temperature

-15 to 55°C at humidity 95%
Storage Temperature -20 to 70°C

Humidity

0 ~ 95%

Power

100 ~ 240 V AC 50 ~ 60Hz
Receiver

 

RF Tuner Connection Type: BNC-F Type
Normal Input Impedance: 75 Ohm
Input Frequency: 950MHz to 2150MHz
Input Signal Level: -65 dBm to -25 dBm
L/O Leakage at RF Input: -65 dBm

LNB

LNB Supply Voltage: 13V or 18V
Maximum LNB Supply Current: 400mV short/surge protection
Antenna and LNB Control: 22kHz tone

Symbol Rate

128ksps ~ 45Msps

Demodulation/Decoding
(DVB-S2)

Outer BCH, Inner LDPC Code
QPSK 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
8PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
nldpc = 64800 (normal FEC Frame)
nldpc = 16200 (short FEC Frame)

Demodulation/Decoding
(DVB-S)

Outer Reed Solomon Inner Convolutional Code
QPSK 1/2, 2/3, 3/4, 5/6, 7/8
Transmitter

Interface

Connection Type: F Type Female
Normal Output Impedance: 75 Ohm
Output Frequency: 950MHz to 1450MHz
Output Signal Level: 3 dBm
Frequency Step Size: 470Hz
ODU Power Supply: 24V ± 0.5V
ODU Reference signal Level: 0 dBm
ODU Reference Frequency: 10MHz ± 10Hz

Turbo code

1/2, 2/3, 3/4, 2/5, 4/5, 6/7

Symbol Rate

125ksps, 250ksps, 500ksps, 1Msps, 2Msps, 4Msps

Modulation/Coding
(DVB-RCS)

Turbo Code
QPSK 1/3, 2/5, 1/2, 2/3, 3/4, 4/5, 6/7 (K=7)