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Comtech EF Data CDM-600 & CDM-600L Open Network Satellite Modems

China Comtech EF Data CDM-600 & CDM-600L Open Network Satellite Modems

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Comtech EF Data CDM-600 & CDM-600L Open Network Satellite Modems

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Packaging Details	Export fit
Delivery Time	45 days
Payment Terms	T/T
Supply Ability	5 sets per month
Place of Origin	U.S.A
Brand Name	Comtech EF Data
Certification	ISO9001
Model Number	CDM-600 & CDM-600L Open Network Satellite Modems

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Packaging Details	Export fit	Delivery Time	45 days
Payment Terms	T/T	Supply Ability	5 sets per month
Place of Origin	U.S.A	Brand Name	Comtech EF Data
Certification	ISO9001	Model Number	CDM-600 & CDM-600L Open Network Satellite Modems

INTRODUCTION

The CDM-600 and CDM-600L are open network satellite modems, which are fully compliant with IESS-308, -309, -310, -314, and –315 from 64 kbps through T2 and E2. They are available in the following three data rate ranges:

• Low-Rate variable: 2.4 kbps to 5.0 Mbps

• Mid-Rate variable: 2.4 kbps to 10.0 Mbps

• High-Rate variable: 2.4 kbps to 20.0 Mbps

In addition, both modems operate in closed network from 2.4 kbps to 20 Mbps. The modems include T1, E1, T2, and E2 G.703 interfaces, in addition to EIA-422, V.35, EIA-232, and serial LVDS. HSSI is provided by adding the CIC-20 interface converter.

The architecture is firmware and FPGA-based, and the internal Flash memory allows easy updating via the serial port. The modem offers exceptional flexibility and performance in a 1RU enclosure.

FEATURES

• CDM-600: 50 to 90 or 100 to 180 MHz IF range CDM-600L: 950 to 2000 MHz IF range

• Fast acquisition demodulator (± 32 kHz acquisition range, 64 kbps, Rate 1/2 QPSK: 1 sec average)

• BPSK, QPSK, OQPSK, 8-PSK, 16-QAM modulation types

• Patented 8-QAM for LDPC

• Data rate range from 2.4 kbps to 20 Mbps

• Forward Error Correction choices include Turbo Product Coding (IESS-315 compliant), Viterbi, Sequential, Reed-Solomon, LDPC and TCM

• Intermediate Data Rate (IDR)

• Intelsat Business Services

• D&I++

• ESC++

• Automatic Uplink Power Control (AUPC)

• Embedded Distant-end Monitor and Control (EDMAC)

• Asymmetric Loop Timing

• CDM-600: 50 or 75 Ω, front panel selectable CDM-600L: Transmit 50 Ω, Receive 50 or 75 Ω, female Type N connector

• Open network compatible and backwards compatible with the CDM-500/CDM-550, and CDM-550T

• Interoperable with SDM-300A, SDM-300L3 (CDM-600L only)

• 1:1 and 1:10 redundancy switch available APPLICATIONS

• Cellular Backhaul

• G.703 Trunking

TYPICAL USERS

• Satellite Service Providers

• Telecom Service Providers

• Broadcasters

• Offshore

• Enterprise

FEATURE ENHANCEMENTS

Enhancing the modem’s performance is easy. Additional features are added quickly on site, using FAST access codes purchased from Comtech EF Data. To enable these features, simply enter the code at the front panel.

TURBO PRODUCT CODING

The modems offer all traditional FEC methods and incorporate an optional Turbo Product Codec (TPC). TPC is a FEC technique that delivers significant performance improvement when compared to Viterbi with concatenated Reed-Solomon. TPC simultaneously offers increased coding gain, lower decoding delay and significant bandwidth savings.

Two TPC codecs are offered as hardware options:

• The Low-Rate TPC codec operates up to 5 Mbps with limited code rates.

• The High-Rate TPC codec operates up to 20 Mbps, and offers a full range of code rates (5/16 through 7/8, and 0.95) with all modulation types from BPSK to 16-QAM

EDMAC OPERATION

Special features of the modems are their ability to monitor and control the distant end of a satellite link using a Comtech EF Data proprietary overhead channel. This framed mode is called EDMAC (Embedded Distant-end Monitor and Control). User data is framed and extra bits are added to pass control, status, and Automatic Uplink Power Control information. This process is completely transparent to the user. An RF transceiver (C-Band and Ku-Band) or Block Up Converter at the distant end of a satellite link may be controlled and monitored from the front panel of the modem using a low data rate FSK signal on the RX IF cable via the EDMAC channel.

REMOTE CONTROL

The operator may configure and monitor the modem from the front panel, or through the remote M&C port. Ten complete configurations may be stored in the modem. An event log stores alarm and status information in non-volatile RAM, while the Link Statistics log stores link performance (Eb/No and AUPC performance) for QoS reporting purposes. SatMac, a Windows-based monitor and control program, is available for configuring the local and distant end modems, transceivers, and redundancy switches.

Company Details

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InterStellar Technologies Co., Ltd. is one of the pioneers of satellite application system service company in China. Taking “ Service Creates Value” as the company image, Interstellar has grown up to be a comprehensive satellite solution service provider with 15 years working experience ... InterStellar Technologies Co., Ltd. is one of the pioneers of satellite application system service company in China. Taking “ Service Creates Value” as the company image, Interstellar has grown up to be a comprehensive satellite solution service provider with 15 years working experience ...

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