Comtech-ef-data SNM-1000 Uživatelský manuál

Part Number MN/SNM1000.OM Revision 3 SNM-1000Node Control ModemInstallation and Operation Manual

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM viii 3.4.5.4 UTILITY:NETWORK...

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–58 3.7.12 SNM-1000 Mode (MD) This command sets the SNM-1000 mode. 3.7.12.1 Comma

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–59 CAUTION Selecting any menu selection other than “F4” may cause unpredictable o

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–60 The User port will display an error message for any errors that occur during

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–61 3.7.13.8 Chip Select Test To test the SNM-1000 Quad Pack A-D and the 1550 UAR

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–62 3.7.15.1 Command Format <channel_no> SETUP <feature_status>'c

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–63 3.7.16.2 Local Command Responses <channel_no> NOT PRESENT The local ch

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–64 3.7.17.2 Local Command Responses >add/’response’’cr’ Where: ‘add’ = <c

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–65 <tx_code> and <rx_code> Codes. Values: Code Rates 1/2 2/3 3/4 5/6

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–66 3.7.18.2.1 Command Format <channel_no> DC <circuit_id>’cr’ <ch

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–67 3.7.20 Initiate Multipoint Data Call (MI) This command initiates a multipoint

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM ix 3.7.12 SNM-1000 Mode (MD)...

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–68 <tx_code> and <rx_code> Codes. Values: Code Rate 1/2 2/3 3/4 5/6

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–69 3.7.21 Add Multipoint Data Circuit (MA) Adds another circuit to multipoint da

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–70 3.7.22 Drop Multipoint Data Circuit (MT) Drops circuit from multipoint data c

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–71 3.7.23 Change Forward Channel for Multipoint Data Circuit (MF) Changes the fo

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–72 3.7.24 Change Return Channel for Multipoint Data Circuit (MR) Changes return c

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–73 3.7.25 Send Message to Multipoint Data Circuit Originator (MO) Sends a messag

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–74 3.7.26 Send message to Multipoint Data Circuit Listener (ML) Changes the re

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–75 3.7.28 Debugging with the User Port Debug messages at the user/service port c

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–76 This page is intentionally left blank.

4–1 Chapter 4. THEORY OF OPERATION This chapter describes the theory of operation for the following printed circuit boards (PCBs) contained in the SN

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM x Figures Figure 1-1. SNM-1000 Block Diagram ...

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–2 USERPORTPERSONALITYMODULEUSER DATA/CONTROLUSER DATA/CONTROLDCE, RS 232

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–3 4.1.1 Specifications Refer to the following listing for specifications

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–4 4.1.3 EFBUS1/2 Port (External) The EFBUS 1/2 port combines EFBUS1 and

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–5 4.1.5 Non-Volatile Memory Non-volatile memory on the M&C module al

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–6 4.2 Modulator The SNM-1000 modulator performs filtered Quadrature Phas

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–7 INTERFACEMONITOR&CONTROLCONVOLUTIONALENCODERDIGITALSIGNALPROCESSIN

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–8 4.2.1 Theory of Operation The modulator is composed of two basic sect

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–9 4.2.2 Theory of Modulation Types The modulation type for the modem is

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–10 4.3 Demodulator The demodulator converts PSK modulated carriers withi

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–11 4.3.1 Theory of Operation The demodulator card functions as an advan

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xi About this Manual This manual describes the operation and maintenance of the C

SNM-1000 Node Control Modem Revision 3 Theory of Operation MN/SNM1000.IOM 4–12 ambiguities of the incoming data. When the decoder generates a lock s

5–1 Chapter 5. MAINTENANCE This chapter provides the following information: • Fault isolation 5.1 Fault Isolation CAUTION This equipment contains

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–2 If any of the troubleshooting procedures mentioned earlier in this chapter do

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–3 Table 5-1. SNM-1000 Fault Tree T X I F O U T P U T O

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–4 Table 5-1. SNM-1000 Fault Tree (Continued) T X I F O U T P

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–5 Table 5-1. SNM-1000 Fault Tree (Continued) T X I F O U T P

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–6 5.1.2 Faults/Alarms Display General fault, status, and alarm information are i

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–7 5.1.3.1 Modulator Faults Fault/Alarm Possible Problem and Action IF SYNTHESI

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–8 5.1.3.1.1 Modulator Checkout Use the following procedure to check out the mo

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–9 Table 5-2. Conversion to S/N and Eb/N0 Chart (dB) Code Rate 1/2 (S+N)/N S

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xii Metric Conversion Metric conversion information is located

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–10 ATTEN10dB2.00 dB/DIVRES BANDWIDTH10.0 kHzRL -49.00 dBmCENTER 70.000 MHz*RB 1

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–11 5.1.3.2 Demodulator Faults Fault/Alarm Possible Problem and Action CARRIER

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–12 5.1.3.2.1 Demodulator Checkout Use the following procedure to test the de

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–13 WITH NOISE WITHOUT NOISE Figure 5-3. Typical Eye Constellations

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–14 5.1.3.3 Transmit Interface Faults Fault/Alarm Possible Problem and Action T

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–15 5.1.3.4 Receive Interface Faults Fault/Alarm Possible Problem and Action BU

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–16 Fault/Alarm Possible Problem and Action BUFFER CLK PLL Buffer clock phase

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–17 5.1.3.5 Common Equipment Faults Fault/Alarm Possible Problem and Action BATT

SNM-1000 Node Control Modem Revision 3 Maintenance MN/SNM1000.IOM 5–18 This page is intentionally left blank.

A–1 Appendix A. REMOTE CONTROL OPERATION The commands listed in this appendix are M&C remote commands used with other modems in the network.

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xiii Electrical Safety The SNM-1000 Modem has been shown to comply with the followi

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–2 A.2 Abnormal Condition Responses If a satellite modem receives

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–3 A.3 Configuration Commands/Responses A.3.1 Modulator Configura

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–4 Set Modulator Power Offset Command: Response: Status: Response

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–5 Transmit BPSK Data Ordering for Continuous Mode Command: Respo

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–6 A.4 Demodulator Configuration Commands Set Demodulator Frequency

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–7 IF Loopback Command: Response: Status: Response: <channel_

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–8 Receive BPSK Data Ordering Command: Response: Status: Response

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–9 A.5 Interface Configuration Commands Transmit Clock Command: R

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–10 A.5.1 Interface Buffer Size Buffer size programming is supporte

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–11 A.6 System Configuration Commands Refer to the following listi

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xiv Installation The installation and connection to the line s

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–12 A.6.1 Modem Type Commands Refer to the following listing for m

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–13 Modulator/ Coder Configuration Program Status Status: Respons

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–14 Demodulator/Decoder Configuration Program Status Status: Respo

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–15 A.7.1 Modem Faults Status Modem Faults Status (Summary) St

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–16 Interface Transmit Side Status Status: Response: Response

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–17 A.7.2 Error Performance Status Raw BER Status: Response:

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–18 Eb/N0 Status Status: Response: <channel_no> MC EBN0_&

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–19 Receive Signal Level Status Status: Response: <channel_

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–20 A.8 Stored Faults Information on stored faults is returned when

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–21 Common Equipment Stored Faults Command: Response: <chann

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xv EMC (Electromagnetic Compatibility) In accordance with European Directive 89/336

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–22 Bulk Consolidated Status Command: Response: <channel_no>

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–23 Bulk Consolidated Status (continued Where: 'pn'

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–24 Bulk Consolidated Status (continued Where: 'pn'

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–25 Bulk Consolidated Status (continued Where: 'pn'

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–26 Bulk Consolidated Status Faults Command: Response: <chann

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–27 Character f: Demodulator fault status character 3. Bit 6 = 1 a

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–28 or BCSF_ poll. Where: the x character is defined as follows

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–29 A.9 Unsolicited Responses The following strings are generated

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–30 <channel no> CS <calling phone number>

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–31 Value Name NMS Node Description 0x00 cause_Unknown x x

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xvi European EMC Directive In order to meet the European Elect

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–32 Example Cause Subcause Name Status Description 0x01

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–33 A.9.4 Cause and Subcause Codes Generated By Node Example Cau

SNM-1000 Node Control Modem Revision 3 Remote Control Operation MN/SNM1000.IOM A–34 Example Cause Subcause Name Status Description 0x0E cause

METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281

2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 • 333 • 2200 PHONE 480 • 333 • 2161 FAX

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xvii Warranty Policy This Comtech EF Data product is warranted against defects in m

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM xviii This page is intentionally left bl

1-1 Chapter 1. INTRODUCTION This chapter provides an overview of the SNM-1000 Node Control modem, referred to in this manual as “the node control m

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-2 1.1 Overview The SNM-1000 Node Control Modem is a fully integrated digital sa

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-3 1.1.2 Mode of Operation The SNM-1000 operates as a dedicated node controlle

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-4 1.2 Description The SNM-1000 is housed in a 1-Rack Unit (1RU) rack-mountable

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-5 1.3 Options The following options are available for the SNM-1000: Option

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-6 1.4 Specifications This section includes the following specifications: • Ge

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-7 Table 1-1. General Specifications (Continued) Demodulator Input Power: Desi

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-8 1.4.2 Environmental and Physical Table 1-2. Environmental and Physical Para

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-9 1.4.5 Continuous Mode Specifications Table 1-4. Continuous Mode Operating

. SNM-1000 Node Control Modem Installation and Operation Manual Part Number MN/SNM1000.OM Revision 3 March 31, 2002 Copyright © Comtech EF Dat

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-10 1.5 Typical Spectral Occupancy Figure 1-3. Typical Spectral Occupancy

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-11 1.6 Dimensional Envelope Figure 1-4. SNM-1000 Dimensional Envelope

SNM-1000 Node Control Modem Revision 3 Introduction MN/SNM1000.IOM 1-12 This page is intentionally left blank.

2–1 Chapter 2. INSTALLATION This chapter provides unpacking and installation instructions, and a description of external connections information.

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–2 2.2 Installation The modem arrives fully assembled from the factory. After u

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–3 Figure 2-1. Installation of the Mounting Bracket

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–4 2.3 Rear Panel Connections The rear panel connectors provide all necessary

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–5 2.3.1 EFBUS1/2 Port (J6) The EFBUS port provides two separate 2-wire EI

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–6 2.3.2 Fault Connector and Pinouts (J7) The fault connector provides Form C

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–7 2.3.3 User Port The User Port provides for serial communications with th

ii Network Customer Support The Network Customer Support Plan identifies the steps to be followed in resolving the Customer’s concern. The resolutio

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–8 2.3.4 Auxiliary 1 Connector and Pinouts (J9) The auxiliary 1 (AUX 1) connec

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–9 2.3.5 Alarms Connector and Pinouts (J10) The alarms connector provides

SNM-1000 Node Control Modem Revision 3 Installation MN/SNM1000.IOM 2–10 2.3.6 AC Power The AC power is supplied to the SNM-1000 by a standard, deta

3–1 Chapter 3. OPERATION This chapter describes the operation of the SNM-1000. 3.1 Front Panel The front panel of the SNM-1000 (Figure 3-1) provides

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–2 3.1.1 LED Indicators In addition to the LCD, the LED’s provides the modem statu

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–3 3.1.2 Front Panel Keypad The front panel keypad operates in monitor mode only,

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–4 3.2 Menu System Use the Main menu in Figure 3-3 as a quick reference for access

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–5 3.3 Front Panel Menu SELECTCONFIGURATIONMONITORFAULTS/ALARMSSTORED FLTS/ALMSUT

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–6 Note: The following menus show the modem functions that are available operatin

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–7 3.4.1.1.2 MODULATOR:TX-IF FREQENCY TX-IF FREQUENCY 70.000000 MHz Displays th

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM iii CustomerMidas Network is functioningproperly?Level One Contact is notifiedAut

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–8 3.4.1.1.5 MODULATOR:SCRAMBLER SCRAMBLER ON Displays the scrambler status, e

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–9 3.4.1.1.8 MODULATOR:MODEM REFERENCE MODEM REFERENCE INTERNAL Displays t

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–10 3.4.1.2.2 DEMODULATOR:RX-IF FREQUENCY RX-IF FREQUENCY 70.000000 MHZ Displ

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–11 3.4.1.2.7 DEMODULATOR:BER THRESHOLD BER THRESHOLD NONE Displays the BER th

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–12 3.4.1.2.10 DEMODULATOR:REACQUISITION REACQUISITION 0 SECONDS Displays the s

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–13 3.4.1.3.2 INTERFACE:TX CLOCK PHASE TX CLOCK PHASE NORMAL Programs the TX

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–14 3.4.1.3.4 INTERFACE:BUFFER CLOCK BUFFER CLOCK RX (SATELLITE) Programs the

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–15 3.4.1.3.6 INTERFACE:B-BAND LOOP BACK B-BAND LOOP BACK OFF Programs the mode

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–16 3.4.1.3.7 INTERFACE:BUFFER SIZE BUFFER SIZE 384 BITS Sets the size of the

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–17 3.4.1.3.9 INTERFACE:LOOP TIMING LOOP TIMING OFF The SCT output will become

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM iv See the Comtech EF Data website at http://www.comtechefdata

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–18 3.4.2 FUNCTION SELECT:MONITOR FUNCTION SELECT MONITOR 3.4.2.1 MONITOR:RAW BE

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–19 3.4.2.3 MONITOR:EB/NO EB/NO 16.0 Displays the current Eb/N0 or “No Data” (i

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–20 3.4.3 FUNCTION SELECT:FAULTS/ALARMS FUNCTION SELECT FAULTS/ALARMS The Fault

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–21 3.4.3.1 FAULTS AND ALARMS:MODULATOR MODULATOR +-------- IF SYNTHESIZER Mo

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–22 3.4.3.3 FAULTS AND ALARMS:TX INTERFACE TX INTERFACE --------- TX DROP Not

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–23 3.4.3.4 FAULTS AND ALARMS:RX INTERFACE RX INTERFACE --------- BUFFER UNDER

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–24 3.4.3.5 FAULTS AND ALARMS:COMMON COMMON --------- BATTERY/CLOCK Battery

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–25 3.4.4 FUNCTION SELECT:STORED FLTS/ALMS FUNCTION SELECT STORED FLTS/ALAMS T

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–26 3.4.4.1 STORED FLTS/ALMS:MODULATOR MODULATOR X STORED TIME/DATE (

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–27 3.4.4.3 STORED FLTS/ALMS:TX INTERFACE TX INTERFACE X STORED TIME/DA

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM v Table of Contents CHAPTER 1. INTRODUCTION...

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–28 3.4.4.5 STORED FLTS/ALMS:COMMON COMMON X STORED TIME/DATE (F

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–29 3.4.5 FUNCTION SELECT:UTILITY FUNCTION SELECT UTILITY The Function Select U

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–30 3.4.5.1 UTILITY:MODULATOR UTILITY MODULATOR 3.4.5.1.1 MODULATOR: ASSIGN TRA

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–31 3.4.5.1.3 MODULATOR:MODULATOR TYPE MODULATOR TYPE INTELSAT OPEN Tr

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–32 3.4.5.1.5 MODULATOR:TX BPSK ORDERING TX BPSK ORDERING STANDARD Tr

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–33 3.4.5.2 UTILITY:DEMODULATOR UTILITY DEMODULATOR 3.4.5.2.1 DEMODULA

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–34 3.4.5.2.3 DEMODULATOR:DECODER TYPE DECODER TYPE VITERBI Decoder ty

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–35 3.4.5.2.6 DEMODULATOR:RX MODE RX MODE CONTINUOUS Selection of BURS

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–36 3.4.5.3.2 INTERFACE:RX OVERHEAD TYPE RX OVERHEAD TYPE NONE Select

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–37 3.4.5.3.6 INTERFACE:FRAMING STRUCTURE FRAMING STRUCTURE T1 FRAMI

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM vi CHAPTER 3. OPERATION...

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–38 3.4.5.3.9 INTERFACE:RX DATA PHASE RX DATA PHASE NORMAL RX data ph

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–39 3.4.5.4.2 NETWORK:CHANNELS 1 -15 CHANNELS 1 – 15 --------------- 3

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–40 3.4.5.5.2 SYSTEM:REMOTE BAUD RATE REMOTE BAUD RATE 19.200 BPS NONE

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–41 3.4.5.5.5 SYSTEM:OPERATION MODE OPERATION MODE DUPLEX Programs the

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–42 3.4.5.5.8 SYSTEM:LAMP TEST ?? LAMP TEST ?? PRESS ENTER Lamp test

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–43 3.4.5.5.13 SYSTEM:FPGA FIRMWARE FPGA FIRWARE FW/NNNNNN-DDR Display

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–44 3.4.5.5.16 SYSTEM:MASTER RESET MASTER RESET HARD/SOFT CAUTION

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–45 3.4.5.6 UTILITY:MODEM TYPE UTILITY MODEM TYPE 3.4.5.6.1 MODEM TYP

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–46 3.4.5.6.2 MODEM TYPE:MODEM EMULATION MODEM EMULATION DISABLED Se

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–47 Notes: 1. Programming a current version (default) allows all features and opt

SNM-1000 Node Control Modem Revision 3 Preface MN/SNM1000.IOM vii 3.4.2 FUNCTIONAL SELECT:MONITOR...

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–48 3.4.5.6.5 MODEM TYPE:CARD #1 TYPE CARD #1 TYPE DAC 01 Status Only

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–49 3.4.5.6.10 MODEM TYPE:CONFIGURATION CODE - MODEM CONFIGURATION CODE - MODE

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–50 3.5 User Port Operation The User Port allows the user at the remote site to

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–51 3.6 Remote Dial-Up Capability The SNM-1000 User Port can be accessed via an e

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–52 3.7 SNM-1000 Commands The commands described in this section are used to set S

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–53 3.7.3.2 Message Body The message body is made up of individual commands and fi

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–54 3.7.3.7 Queries The interface can be queried by issuing a valid command withou

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–55 3.7.5 Receive Control Channel Frequency (ICF) This command sets the receive (

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–56 3.7.7 Transmitter On (RF_ON) This command enables the SNM-1000 transmitter. 3

SNM-1000 Node Control Modem Revision 3 Operation MN/SNM1000.IOM 3–57 3.7.10 Current SNM-1000 DAC Software Revision (VER) This command queries the S