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Advanced Satellite Modem

メーカーComtech EF Data Corporation
アプリケーションMobile Backhaul
G.703 Trunking
IP Trunking
Offshore & Maritime Communications
Enterprise
Communications on-the-Move
Satellite News Gathering
型番CDM-625A & CDM-625A-EN
技術資料PDF
特徴DoubleTalk Carrier-in-Carrier bandwidth compression
Carrier-in-Carrier Automatic Power Control
VersaFEC FEC withAdaptive Coding and Modulation (ACM)
5%, 10%, 15%, 20%, 25% and 35% Filter Rolloff
Packet Processor with header compression, payload compression, advanced Quality of Service (QoS) and Managed Switch Mode with VLAN support
Integrated 4-port managed Ethernet switch with VLAN and QoS
Jumbo frame support
Dual Band Capability: 70/140 MHz and extended L-Band (950 – 2250 MHz) in same unit
Data Rate: 18 kbps to 25 Mbps
Symbol Rate: 18 ksps to 12.5 Msps
Modulation: BPSK, QPSK/OQPSK, 8PSK/8-QAM, 16-QAM
FEC: Viterbi, Sequential, Concatenated Reed Solomon, TCM, Turbo Product Code (TPC) (IESS 315 Compliant), LDPC Code and VersaFEC (low-latency LDPC)
Widest Range of data interfaces: EIA 422/530, V.35, G.703 T1, G.703 E1, G.703 T2, G.703 E2, Quad G.703 E1, ASI, LVDS, HSSI, 4-port 10/100Base-T Ethernet
IEEE 1588v2 Precision Time Protocol
Sub Mux to multiplex IP/Ethernet traffic with serial or G.703 traffic
Drop & insert for T1/E1
Enhanced D&I++ for single T1/E1 & quad E1
Management: 10/100Base-T Ethernet with SNMP, Distant End SNMP Proxy, HTTP, Telnet and EIA 232/EIA 485
Carrier ID using MetaCarrier® Technology
Embedded Distant-end Monitor and Control (EDMAC)
Automatic Uplink Power Control (AUPC)
Engineering Service Channel (ESC/ESC++)
Standard high-stability internal reference (±6 x 10-8)
5-tap Adaptive Equalizer
L-Band TX: 10 MHz reference for BUC, FSK communications and optional BUC power supply
L-Band RX: 10 MHz reference and LNB power supply
L-Band: Advanced FSK for LPOD M&C
1:1 and 1:10 redundancy switches available
Backwards compatible with CDM-625
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