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Paradise Datacom PD155i Satellite Modem/IP Router

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  • Available in IF or L-Band
  • HTTP web acceleration
  • FTP, telnet and email facilities
  • DVB-S2 CCM, VCM and ACM modes


IP Options
Throughput Performance The maximum modem throughput depends on IP traffic format and the features enabled. Bridged IP/UDP data can be processed up to 155Mbps. Please seek assistance from Paradise Datacom in evaluating your particular requirements.
Routing and Bridging Bridging (standard).

Basic routing with static routes (standard).

Dynamic routing option: RIP V1 and V2; OSPF V2 and V3; BGP V4
TCP Acceleration Typical throughput level of 90% of link capacity.

5,000 concurrent accelerated TCP connection limit.

Includes HTTP Acceleration (prefetches webpage inline objects to reduce web page download times)
Header Compression Robust Header Compression to RFC 3095 profile 2 (IP/UDP). Reduces Ethernet/IP/UDP header sizes typically by 90%. 1-way packet processing limit: 58,000 pps; 2-way limit: 44,000 pps.
Traffic Shaping Provides guaranteed throughput levels for specific IP streams, using standard CIR and BIR settings. Stream differentiation is by IP address, IEEE 802.1p priority class, Diffserv DSCP class or MPLS EXP field
VLAN Support IEEE 802.1q VLAN support (standard)

IEEE 802.1p Quality of Service (packet prioritisation) using strict priority or fair weighting queuing
IP over DVB

Supports MPE, ULE and Paradise PXE. Includes MPE air MAC address filtering
DVB-S2 IP Multistreaming Point-to-multipoint CCM and VCM multistreaming. VCM allows the FEC error correction to vary for each remote
DVB-S2 ACM Dynamically varies point-to-point FEC strength and throughput, maximising throughput for the actual link conditions
DHCP, SNMP DHCP (standard). SNMP (standard) v1, v2c and v3
Web Server Standard. Embedded web server (standard) M&C interface
IP Diagnostic Graphs Standard. Shows throughput (bps, pps); dropped, errored packet counts
IP Address Aliasing Standard. Allows IP ports to exist on multiple subnets at the same time
Paired Carrier
Transmit and receive carriers are overlaid on top of each other in the same space segment, potentially halving the satellite bandwidth required.
Carrier Power Spectral Density (CPSD) Ratio +/-10dB. Calculated as: Near PSD - Far PSD + 10log( Near symbol rate / Far symbol rate )
Eb/No Degradation Typically 0.0 to 0.5dB depending on modulation type. Worst case is 0.7dB for 10dB CPSD ratio for 16QAM/16APSK
Acquisition Time Depends on the satellite delay uncertainty; typically under 10 seconds for 1ms of uncertainty
Data Rate Options 512kbps, 1024kbps, 2.5Mbps, 5Mbps, 10Mbps, 15Mbps, 20Mbps, 25Mbps, 40Mbps, 50Mbps, 60Mbps and 100Mbps traffic rate. Minimum Paired Carrier occupied bandwidth is 30kHz; maximum is 36MHz
Symbol Rate Asymmetry Up to 4:1
Network Configuration
Network Topology Point-to-point; point-to-multipoint (star); mesh. Unidirectional/bidirectional links. Mixed DVB-S2/SCPC operation
Modulation DVB-S2: QPSK; 8PSK; 16APSK

FEC DVB-S2 (LDPC with BCH outer codec), 0.25 to 0.9

SCPC: TPC, 0.5 to 0.875; FastLink Low-Latency LDPC, 0.5 to 0.853; Viterbi, 0.5 to 0.875; TCM, 0.667. Reed-Solomon outer codec available with Viterbi and TCM
Symbol Rate 9.6ksps to 45Msps maximum
Data Rate 4.8kbps to 155Mbps maximum
Terrestrial 4-port RJ45 10/100/Gigabit Ethernet switch plus separate 10/100 BaseT Ethernet RJ45 for monitor and control
Frequency/Connector Type IF: 50 to 90MHz and 100 to 180MHz (BNC), or

L-band: 950 to 1950MHz (with option to 2050MHz) (N-type)
Input Power Range IF: -30 to -60dBm wanted signal, or

L-band: minimum level -130dBm + 10 log symbol rate (range 50dB above min, limited to - 20dBm max)
L-Band BUC/LNB Facilities
BUC Power Supply Options Mains input, +48V DC 2A output (100W) to BUC via Tx IFL

Mains input, +24V DC 4A output (100W) to BUC via Tx IFL

Mains input, +48V DC 3.5A output (180W) to BUC via Tx IFL

Mains input, +24V DC 6A output (180W) to BUC via Tx IFL

+/-48V DC input, +48V DC 3.5A output (180W) to BUC via Tx IFL

+/-48V DC input, +24V DC 6A output (180W) to BUC via Tx IFL

+48V DC input, +48V DC 3.5A output (180W) to BUC via Tx IFL
LNB Power +15/24V 0.5A DC to LNB via Rx IFL
FSK Control Option Allows monitor and control of a compatible BUC from the modem via the Tx IFL
10MHz Reference 10MHz may be provided via the Tx IFL to the BUC and via the Rx IFL to the LNB
Mechanical / Environmental
Size 1U chassis - 410mm deep, excluding front panel handles and rear panel connectors and fans
Weight 3.5kg
Power Supply 100-240VAC, +6%, -10%, 1A @100V, 0.5A @ 240V, 47-63Hz

Fused IEC connector (live and neutral fused)

48Volts DC option
Safety Standards EN60950-1
Emission and Immunity Standards EN55022 Class B (Emissions)

EN55024 (Immunity)
Operating Temperature 0 to 50ºC
Humidity 95% relative humidity, non-condensing
Compliance Compliance FCC, CE and RoHS compliant

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