Comtech EF Data CDM-625 Advanced Satellite Modem Modems with DoubleTalk® Carrier-in-Carrie
Brand Name:Comtech EF Data
Certification:ISO9001
Model Number:CDM-600 & CDM-600L Open Network Satellite Modems
Minimum Order Quantity:1
Delivery Time:45 days
Payment Terms:T/T
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Location:
Beijing Beijing China
Address:
Room A2002,Caizhi International Building,Zhongguancun Eastroad, Haidian District，Beijing，China
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Product Details
Overview
The CDM-625 Advanced Satellite Modem builds on Comtech EF Data’s
legacy of providing the most
efficient satellite modems. It is the first modem to combine
advanced Forward Error Correction (FEC) such
as VersaFEC and Low Density Parity Check (LDPC) codes with the
revolutionary DoubleTalk Carrier-in-
Carrier bandwidth compression, allowing for maximum savings under
all conditions. This combination of
advanced technologies enables multi-dimensional optimization,
allowing satellite communications users to:
Minimize operating expenses (OPEX)
Maximize throughput without using additional transponder
resources
Maximize availability (margin) without using additional
transponder resources
Minimize capital expenses (CAPEX) by allowing a smaller BUC/HPA
and/or antenna
Or, a combination to meet specific business needs
Features
DoubleTalk Carrier-in-Carrier bandwidth
compression
Adaptive Coding and Modulation (ACM)
IP Packet Processor with header compression,
payload compression and advanced Quality of
Service (QoS)
Dual Band Capability: 70/140 MHz and L-Band in same unit
Data Rate: 18 kbps to 25 Mbps
Symbol Rate: 18 ksps to 12.5 Msps
Modulation: BPSK, QPSK/OQPSK, 8-PSK/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
4-port managed Ethernet switch with VLAN and QoS
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
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: Advanced FSK for LPOD M&C
L-Band RX: 10 MHz reference and LNB power supply
Open network modes
CDM-600/L emulation mode
1:1 and 1:10 redundancy switches available
Backwards compatible with CDM-500/CDM-550, CDM-550T, CDM-570/L
and CDM-600/L Satellite Modems
Interoperable with many Comtech EF Data Satellite Modems:
CDM-Qx/L, SDM-8000, 300A,and 300L3
Comtech EF Data CDM-625 Advanced Satellite Modem Modems with DoubleTalk® Carrier-in-Carrie
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