Comtech EF Data CDM-710G Installation And Operation Manual
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Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 HSSI Interface (CDI-60) MN-CDM710G 13–4 Continuous Clock Gap Clock 13.4 General Specifications Item Requirement Data Rate Range 1 to 70 Mbps Note: HSSI data rate limit of 70 Mbps may be reached before symbol rate limit is reached. Interfaces Per Module One HSSI Signals Supported ST, TT (or external) , SD, TA, CA, RT, RD, SG Connector DCE, 50-pin mini-D female per EIA-613 (HSSI) Electrical Per EIA-612 (10KH ECL compatible). Electrica
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 HSSI Interface (CDI-60) MN-CDM710G 13–3 Figure 13-3. CDI-60 HSSI Data Interface Module – Rear Panel View 13.3 Connector Pinout As shown in Figure 13-3, the CDI-60 HSSI data interface has a 50-pin female SCSI-2 (mini-D) connector; the pinout is as follows: CDI-60 HSSI/EIA-613 Interface Connector Pinout Signal Function HSSI Signal EIA-613 Circuit Pin # (+,-) Circuit Direction Comment Signal Ground SG 102 1, 26 Ground Receive Timing RT
Part Number MN-CDM710G Revision 1 IMPORTANT NOTE: The information contained in this document supersedes all previously published information regarding this product. Product specifications are subject to change without prior notice. CD M - 710 G High-Speed Satellite Modem Installation and Operation Manual (Includes dat
Comtech EF Data CDM-710G, C–1 Appendix C. FAST ACTIVATION PROCEDURE C.1 Introduction Fully Accessible System Topology (FAST) is an enhancement feature available in Comtech EF Data products, enabling on-location upgrade of the operating feature set – in the rack – without removing a CDM-710G from the setup. This accelerated upgrade can be accomplished only because of FAST’s extensive use of programmable devices incorporating Comtech EF Data-proprietary signal processing techniques. These techniques allow the use of a unique access code to enable configuration of the available hardware. The access code can be purchased at any time from Comtech EF Data. Once obtained from
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Front Panel Operation MN-CDM710G 6–35 If Intfc2 SWOP: Æ Learning is selected: Intfc2 Learning: Enable Disable ( E) IMPORTANT Unit power must be cycled whenever Learning mode is enabled or disabled. Learning is an Ethernet switch function that allows the LAN (user) side of the Gigabit Ethernet port to learn the MAC addresses of the equipment connected to the Gigabit port. Learning applies only to the LAN (user) side of the port. There is no learning on the WAN (modem) side of the Gigabit Ethernet port. If enabled, the interface is in LAN-to-WAN learning mode, and the Gigabit Ethernet Interface (GBEI) lea
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Front Panel Operation MN-CDM710G 6–50 6.3.6.3 (SELECT:) UTIL Æ ID Edit Circuit ID: ( E) ------------------------ To edit the Circuit ID string, select the cursor position on the bottom line using the W X arrow keys, then edit the selected character using the ST arrow keys. Note that only the bottom line (0 to 24 characters) is available. The following characters are available: <Space> ( ) * + - , . / 0-9 and A-Z When the string has been composed, press ENTER. 6.3.6.4 (SELECT:) UTIL ÆDisplay Edit Display Brightness: 100% ( E) Select a brightness levels of 25%, 50%, 75
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Front Panel Operation MN-CDM710G 6–8 6.3.1.1 (CONFIG:) Remote Control Remote Control: Local Serial Ethernet Select Local, Serial or Ethernet using the W X arrow keys, then press ENTER. Note the following: SELECTION ACTION Local Remote control is disabled. Remote monitoring is still possible. Serial RS232, RS485-2W, and RS485-4W menus are accessed. Ethernet Additional sub-menus will be displayed. (CONFIG:) Remote Control Æ Local IMPOR
Comtech EF Data CDM-710G, 11–1 Chapter 11. FORWARD ERROR CORRECTION OPTIONS 11.1 Introduction DVB-S2 has defined a new generation of performance that boosts throughput by about 30% over the same transponders using a new type coding that exceeds the capability of concatenated Viterbi and Reed Solomon coding. The CDM-710G High-Speed Satellite Modem operates with error correction base upon the DVB- S2 standard: QPSK, 8PSK, 16APSK and 32APSK with concatenated Low Density Parity Code (LDPC) and Bose-Chaudhuri-Hocquenghem (BCH). 11.2 LDPC and BCH LDPC and BCH is a concatenation technique. LDPC is a very powerful coding scheme with significant, Near-Shannon Bound Performance. In some cases, as th
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Eb/No Measurement MN-CDM710G B–2 Example: In the diagram that follows, the (Co+No)/No measured is 4.6 dB. If Rate 1/2 QPSK is used, this corresponds to an Eb/No of approximately 2.8 dB (DVB-S2). The relationship used to derive the table values is as follows (only simple way for DVB-S2): Eb/No = 10 log 10 (10 (Co+No/No )/10) -1) – 10 log 10 (Spectral Efficiency) and: • Eb/No and (Co+No)/No are expressed in dB; • Spectral Efficiency includes the modulation type, code rate, overhead and fr
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Eb/No Measurement MN-CDM710G B–3 Table B-1. CDM-710G Co+No/No to C/N (Es/No) and Eb/No (dB) for DVB-S2 QPSK and 8PSK (DVB-S2 uses C/N (Es/No), and Eb/No is shown for information) Notes: 1. Eb/No = Es/No – 10 Log (Spectral Efficiency). 2. The Required C/N for QEF with FECFrame = 16,200 bits is typically 0.2 to 0.3 dB higher. 3. Shaded values are high error rate or unusable. QPSK 8PSK 0.490243 0.656448 0.789412 0.988858 1.188304 1.322253 1.487473 1
Comtech EF Data CDM-710G, METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281 0.01094 6.214 x 10 -6 0.01 — — 1 inch 2.540 — 0.08333 0.2778 1.578 x 10 -5 0.254 — 25.4 1 foot 30.480 12.0 — 0.3333 1.893 x 10 -4 0.3048 — — 1 yard 91.44 36.0 3.0 — 5.679 x 10 -4 0.9144 — — 1 meter 100.0 39.37 3.281 1.094 6.214 x 10 -4 — — — 1 mile 1.609 x 10 5 6.336 x 10 4 5.280 x 10 3 1.760 x 10 3 — 1.609 x 10 3 1.609 — 1 mm — 0.03937 — — — — — — 1 kilometer — — — — 0.621 — — — Temperature Conversions
CDM-710G High-Speed Satellite Modem Revision 1 Ethernet Network Configurations MN-CDM710G 3–7 Figure 3-5. Wired-thru for Hub-to-Hub with Standard Traffic using Routers Figure 3-6. Wired-around for Hub-to-Hub with Standard Traffic using Routers
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Remote Control MN-CDM710G A–42 Parameter Type Command (Instruction Code and Qualifier) Arguments for Command or Response to Query Description of Arguments Response to Command Query (Instruction Code and Qualifier) Response to Query Rx Signal Level N/A 3 bytes Query Only. Unit returns the value of the Rx signal level, in dBm, between +3.0 and – 99.0 dBm, where; xxx is the Rx signal level. Examples: RSL=+03 RSL
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Remote Control MN-CDM710G A–26 Parameter Type Command (Instruction Code and Qualifier) Arguments for Command or Response to Query Description of Arguments Response to Command Query (Instruction Code and Qualifier) Response to Query Rx Signal Level N/A 3 bytes Query Only. Unit returns the value of the Rx signal level, in dBm, between +3.0 and – 99.0 dBm, where; xxx is the Rx signal level. Examples: RSL=+03 RSL=-41 RSL
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Front Panel Operation MN-CDM710G 6–44 6.3.3 SELECT: Test Test: Mode (E) Test options for the Tx carrier are selected in this menu. Select Mode using the ◄ ► arrow keys, then press ENTER. 6.3.3.1 (SELECT:) Test Æ Mode Test: Normal RF IF I/O Tx-CW Tx-1,0 ( E) The CDM-710G supports many useful test modes. Not all modes are available in all configurations – they depend upon the modem configuration (Duplex, Rx-Only, Tx-Only) and the data interface(s). Select Norm, IF (Loop), I/O (Loop), RF (Loop), T
Comtech EF Data CDM-710G, 3–1 Chapter 3. ETHERNET NETWORK CONFIGURATIONS 3.1 Introduction For operations requiring Ethernet-based terrestrial data handling, it is important to emphasize the need for users to avoid Ethernet looping connection problems – with or without use of the CDM-710G in redundancy. These issues are specifically addressed with a CDM-710G redundancy configuration that uses Comtech EF Data’s CRS-300 1:10 Redundancy Switch. 3.2 Ethernet Routers and Switches Routers and switches allow connection of
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Preface MN-CDM710G xiv depicting actual text displayed on the screen of the unit (RS-232, RS-485, etc.). All other references in the manual will be shown with the EIA designations. Electrical Safety The CDM-710G High-Speed Satellite Modem has been shown to comply with safety standard EN 60950: Safety of Information Technology Equipment, including Electrical Business Machines. The equipment is rated for operation over the range 100 to 240 VAC. It has a maximum power consumption of 88 watts, and draws a maximum of 770 mA. Fuses CAUTION FOR CONTINUED OPERATOR SAFETY, ALWAYS
4–1 Chapter 4. REAR PANEL CONNECTOR PINOUTS 4.1 External Connections Figure 4-1 shows the rear panel view of the CDM-710G High-Speed Satellite Modem. External cables are attached to connectors on the rear panel. The connector configurations differ based upon the operating frequency offered via the specific chassis (70/140 MHz [CDM-710G] vs. L-Band [CDM-710GL]).
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 10/100/1000 Base-T Gigabit Ethernet (GigE) Interface (CDI-70) MN-CDM710G 14–9 14.6 GigE Operational Setups The CDM-710G GigE Interface operates as a bridge device and passes traffic between hosts at different geographic locations on a common Local Area Network (LAN). The GigE Interface operates like a network hub device which means it acts like a “direct wire” connection and passes all Ethernet traffic and broadcasts. Figure 14-4 is an example of using the GigE Interface to bridge a remote h
CDM-710G High-Speed Satellite Modem Revision 1 Remote Control MN-CDM710G A–43 Parameter Type Command (Instruction Code and Qualifier) Arguments for Command or Response to Query Description of Arguments Response to Command Query (Instruction Code and Qualifier) Response to Query Unit Test Mode TST= 1 byte Command or Query. Test Mode, w
Comtech EF Data CDM-710G, Copyright © 2009 Comtech EF Data. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2200, FAX: 480.333.2161 CDM-710G High-Speed Satellite Modem Installation and Operation Manual (Includes data for the CDM-710G [70-140 MHz] and CDM-710GL [L-Band] Configurations) Part Number MN-CDM710G Revision 1 September 21, 2009
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Web Server Interface MN-CDM710G 7–14 7.3.4 Stats (Statistics) Pages The Stats pages provide the user with status, event logging, and operational statistics windows. 7.3.4.1 Stats | Modem Status Figure 7-10. Stats | Modem Status page Use the ‘Stats | Modem Status’ page (Figure 7-10) to review read-only st atus information pertaining to: • General modem operating and configuration information; • Alarms; • Tx and Rx Parameters; • Tx and Rx Installed options (Data Interfaces, FAST, etc.).
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Remote Control MN-CDM710G A–14 Parameter Type Command (Instruction Code and Qualifier) Arguments for Command or Response to Query Description of Arguments Response to Command Query (Instruction Code and Qualifier) Response to Query Real-time Clock Time TIM= 6 bytes Command or Query. A time in the form hhmmss, indicating the time from midnight, where: hh = hours (00 to 23) mm = minutes (00 to 59) ss = seconds (00 to 59) Example: TIM=231259 (23 hours:12 minutes:59 seconds) TIM= TIM? TIM* TIM# T
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Table of Contents MN-CDM710G ix 13.3 Connector Pinout ...................................................................................................................... 13–3 13.4 General Specifications .............................................................................................................. 13–4 13.5 Environmental And Physical Specifications ...........................................................
Comtech EF Data CDM-710G, CDM-710G High-Speed Satellite Modem Revision 1 Remote Control MN-CDM710G A–25 Parameter Type Command (Instruction Code and Qualifier) Arguments for Command or Response to Query Description of Arguments Response to Command Query (Instruction Code and Qualifier) Response to Query Rx FEC Type N/A 1 byte Query Only. Rx FEC coding type, where: 1=LDPC ( FEC is dependent on the RX Mode Type. ) Example: RFT=1 (which is LDPC coding) RFT? RFT* RFT# RFT? RFT=x Rx Gold Code Sequence Index RGS= 6 bytes Command or Query. Rx Gold
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