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SNV-12 Operations Manual

3-67

SW2-7 COR Polarity

This switch allows the use of a non-standard “Active High” COR input

.

NOTE: If an active high COR polarity is selected, but no connection is
made to the SVM COR input, the SNV-12 will assume that COR is active.
This is due to a pull-

up resistor in the SVM module’s COR Input circuit.

This can result in the site (since it has no noise at its input) being voted.

Table 3-58

COR Polarity

SW2-7

COR Polarity

OFF

Active Low *

ON

Active High

SW2-8 Low Frequency Response

The SVM DSP circuitry has a high pass filter that is designed to remove low frequency energy
(such as  60 Hz ac hum) from  the audio passband.  The high pass  filter should be  engaged  for
normal  operation  as  only  the  audio  above  300  Hz  is  used  in  most  communications  systems.
This  should be disabled only if it is necessary to pass low frequency information such as  sub
audible data, CTCSS, DCS, etc.  If the filter is disabled, careful shielding, equipment grounding
and site grounding are of increased importance.  Set SW2-8 On to remove this high-pass filter,
extending the pass band from a 100 Hz cutoff to below 50 Hz.  The default settings leave the
filter in place.

Table 3-59

SVM High-Pass Filter

SW2-8

High-Pass Filter

OFF

Engaged *

ON

Removed

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Содержание SNV-12

Страница 1: ...peration Manual SNV 12 Signal and Noise Voter Designed and Manufactured by Raytheon Company 5800 Departure Drive Raleigh NC 27616 phone 919 790 1011 email voter sales raytheon com P N 5951 800200 Revision 8 2 March 2009 ...

Страница 2: ...ction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users will be required to correct the interference at their own expense CAUTION Changes or modifications to this equipment not expressly approved by Raytheon could void the user s authority to operate this equipment NOTICE Rayth...

Страница 3: ...3 6 3 6 2 DC Voltage 3 7 3 7 FUSE INFORMATION 3 8 3 8 GROUNDING CONSIDERATIONS 3 10 3 9 INSTALLATION CHECKLIST 3 11 3 10 AUDIO LINKS 3 13 3 10 1 Microwave Links 3 13 3 10 2 Radio Links 3 13 3 10 3 Wireline Links 3 14 3 10 4 Satellite Links 3 16 3 10 5 Network Links 3 16 3 11 EXTERNAL INTERCONNECT INFORMATION 3 18 3 11 1 DC Input Connector 3 18 3 11 2 Site Voter Module Connections 3 18 3 11 3 Seria...

Страница 4: ...ments 4 3 4 5 CONTROL PROCESSOR MODULE CPM 4 4 4 5 1 Features and Functions 4 4 4 5 2 General 4 4 4 5 3 Hardware Description 4 4 4 5 4 Fault LED 4 5 4 5 5 Master Expansion 1 Expansion 2 LEDs 4 5 4 5 6 Link LED 4 5 4 6 SITE VOTER SVM MODULE 4 6 4 6 1 Features and Functions 4 6 4 6 2 General 4 6 4 6 3 Hardware Description 4 6 4 6 4 Software Description 4 7 4 6 5 Select Norm Disable Switch 4 7 4 6 6 ...

Страница 5: ...ver Timer With Momentary Manual TX Steering 5 14 5 17 3 Holdover Timer With Latched Manual TX Steering 5 14 5 17 4 Holdover Timer Examples 5 14 5 18 RECEIVER TRANSMITTER GROUPS 5 15 5 18 1 Group Operation and Repeat Mode 5 16 5 18 2 Group Lockout With Primary Site Failure 5 16 5 19 CONSOLE TRANSMISSIONS TRANSMIT STEERING 5 16 5 19 1 STARS Automatic Transmit Steering 5 16 5 19 2 Automatic TX Steeri...

Страница 6: ... 6 3 18 Network Password Configuration 6 14 6 3 19 Chassis Locate Function 6 15 6 3 20 Remote Control Command Error Reports 6 15 6 4 NETWORK TELNET COMMAND LINE INTERFACE 6 16 6 5 WEB BROWSER INTERFACE 6 16 6 5 1 SVM Configuration Details 6 18 6 5 2 Network Configuration 6 18 6 5 3 SVM Status 6 20 6 5 4 Event Log 6 21 6 5 5 SNV 12 Statistics Counts 6 22 6 5 6 SVN 12 Statistics Time 6 23 7 OPTIONS ...

Страница 7: ... 3 15 SVM TX AUDIO OUTPUT 3 88 FIGURE 3 16 CIM VOTED AUDIO OUTPUT 3 88 FIGURE 3 17 SVM 2 COR E M INPUT 3 89 FIGURE 3 18 SVM 2 PTT E M OUTPUT 3 90 FIGURE 3 19 SVM 2 FOR TYPE I SIGNALING 3 92 FIGURE 3 20 SVM 2 FOR TYPE II SIGNALING 3 93 FIGURE 3 21 SVM 2 FOR TYPE III SIGNALING 3 94 FIGURE 3 22 SVM 2 FOR TYPE V SIGNALING 3 95 FIGURE 3 23 CIM 2 FOR TYPE I SIGNALING 3 96 FIGURE 3 24 CIM 2 FOR TYPE II S...

Страница 8: ...ING HOLD OFF AFTER CONSOLE TRANSMISSION 3 37 TABLE 3 21 TRANSMIT HANGTIME 3 38 TABLE 3 22 SYSTEM PTT COR OUTPUT CONFIGURATION 3 39 TABLE 3 23 CONSOLE TX HANGTIME 3 39 TABLE 3 24 MIX REPEAT AUDIO WITH CONSOLE TX AUDIO 3 40 TABLE 3 25 OUTPUT KEYING TONE AMPLITUDES 3 40 TABLE 3 26 PTT INPUT POLARITY 3 41 TABLE 3 27 TB13 17 FUNCTION 3 41 TABLE 3 28 TB13 12 FUNCTION 3 42 TABLE 3 29 CPM SWITCH ASSIGNMEN...

Страница 9: ...DED TX STEERING SELECTION 3 69 TABLE 3 62 PRIMARY SITE 3 69 TABLE 3 63 SW3 5 VOTING MODE 3 70 TABLE 3 64 SIMPLEX REPEAT WHEN VOTED 3 70 TABLE 3 65 LINE EQUALIZATION 3 72 TABLE 3 66 PILOT TONE AGC 3 73 TABLE 3 67 AGC LINK EQUALIZATION 3 75 TABLE 3 68 PILOT TONE NOTCH FILTER 3 76 TABLE 3 69 PIN 19 CONFIGURATION 3 76 TABLE 3 70 COR DELAYED WITH RX AUDIO 3 77 TABLE 3 71 PILOT TONE SENSITIVITY REDUCTIO...

Страница 10: ... tone sent continuously from a receiver to indicate a good link between the receiver and the voting system Absence of guard tone at any time indicates a line fault Compare with Pilot Tone Hangtime A system with hangtime will remain in the transmit mode for the duration of the set hangtime beyond the time indicated by any keying inputs The hangtime prevents momentary transmitter unkeying during bri...

Страница 11: ... at the console or the users in the field have priority regarding which audio source is transmitted and when With simplex systems Console Priority allows the dispatcher to terminate currently voted communications while Field Priority prevents this With duplex systems voting and transmitting can occur simultaneously so the TX Source Priority determines whether console transmissions are allowed to p...

Страница 12: ...SNV 12 Operations Manual 12 This page intentionally left blank ...

Страница 13: ...de with a depth of 11 An AC input module and a power transformer assembly are located on a metal panel that is mounted to the backplane The AC module is a combination AC line filter power cable connector input voltage selector and fuse holder The backplane interfaces the outside world via D subminiature and terminal strip connectors and internally to the plug in modules via 60 pin card edge connec...

Страница 14: ...ogramming and an enhanced web browser based user interface for controlling and monitoring the SNV 12 system The front panel of the CPM Module contains a Fault LED along with three other LEDs that indicate the unit s status in an expanded system labeled Master Expansion 1 Expansion 2 In expanded systems up to three SNV 12 chassis may be connected together to create a voting system of up to 36 sites...

Страница 15: ...act Customer Service for a firmware IC to update a CPM 1 module or download new CPM 3 code directly from our website In all cases we strongly recommend that you use the most recent version of CPM software due to the addition of improvements and bug fixes See Section 8 of this manual for more complete information regarding how to update software as well as a software revision history 1 2 7 1 Consol...

Страница 16: ...cted Output Rejection Better than 60 dB Output Impedance Balanced 600 ohms Voting Threshold 0 through 7 dB in 1 dB steps Parallel Control Inputs Input Impedance 10k to 47k ohm pull up to 5V Threshold 2 5V Nominal Input Signal Range 30 VDC Protection Up To 200 VDC Parallel Control Outputs Output Type N Channel Open Collector Transistor Maximum Sink Current 50 mA Maximum Open Circuit Voltage 60 VDC ...

Страница 17: ...037770 Line Cord 1 0360 009100 Conn cable D 9 plug 1 0360 015000 Conn cable D 15 receptacle 1 0360 015100 Conn cable D 15 plug 2 0650 100000 Fuse 3AG 10A 250V fast acting fuses low voltage DC bus F1 2 0640 016100 Fuse 5x20mm 1 6A 250V time delay for 230 VAC operation F2 2 0640 030100 Fuse 5x20mm 3A 250V time delay for 115 VAC operation F2 2 0650 200200 Fuse 3AG 20A 32V fast acting for DC operation...

Страница 18: ...ional site Voter Modules can be ordered at a later date and easily installed in the chassis Unused Site Voter Module slots are covered by blank plates Table 1 3 Optional Equipment Not Supplied Item P N Description Battery Backup Kit 5951 895000 Back up Battery and Cabling Expansion Cables 5951 896024 5951 896036 Connects 2 Chassis to Create a 24 Site Voting System Connects 3 Chassis to Create a 36...

Страница 19: ... signal activates the voter s PTT input Hard wired transmitter keying output open collector transistor pulls transmitter PTT low relay contact closure optional see next page Full Duplex each SVM module set to simultaneously transmit and receive Repeat Mode from Home Site voted audio is retransmitted via SVM module 1 Console Priority dispatcher transmissions preempt retransmission of voted audio Al...

Страница 20: ...terminals 4 5 PTT output to transmitter use TB1 terminal 18 not needed with EIA keying output Ground to transmitter use TB1 terminal 20 6 RX Site Connections Connect the inputs to the SVM modules via the rear panel TB2 through TB12 Audio from receiver site 2 use TB2 terminals 1 2 Audio from receiver site 3 use TB3 terminals 1 2 Audio from receiver site 12 use TB12 terminals 1 2 7 Console Connectio...

Страница 21: ...Manual 2 3 2 3 Module Configuration Sheets The following sheets are the current Quick Reference Help Sheets as of the time of the printing of this manual A laminated set of the latest sheets is included with this manual ...

Страница 22: ......

Страница 23: ...nal levels see CIM 2A switch SW4 3 Alert 0 dB Function 10 dB Hold 20 dB SW2 1 2 3 Key Tones Disabled SW2 1 SW2 2 SW2 3 Status 0 0 0 Disabled 1 0 0 1950 Hz single constant 0 1 0 2175 Hz single constant 1 1 0 2600 Hz single constant 0 0 1 2950 Hz single constant 1 0 1 Reserved 0 1 1 Function Tone Guided TX Steering 1 1 1 EIA F1 1950 Hz function tone Key Tone Output Level Relative to Voice Audio Sing...

Страница 24: ... CIM SW3 1 Off to enable this feature SW4 1 2 Not Mixed SW4 1 SW4 2 Repeat Audio Mix Level 0 0 No Repeat Audio Mixed 1 0 Mix at 6 dB relative to Console TX Audio 0 1 Mix at 3 dB 1 1 Mix at 0 dB No Attenuation EIA Key Tone Output Alternate Level SW4 3 Standard 0 Standard 1 Lowered Amplitude see CIM SW2 1 2 3 PTT Input Polarity Active Low or Active High SW4 4 Active Low 0 Active Low 1 Active High Al...

Страница 25: ...Enabled MUST BE DISABLED Default TX Site Selection SW1 8 Home Site 0 Home Site 1 Multicast Voting Criteria Signal Quality Difference SW2 1 2 3 1 dB SW2 1 SW2 2 SW2 3 Difference 0 0 0 Test Only NOT For Field Use 1 0 0 1 dB 0 1 0 2 dB 1 1 0 3 dB 0 0 1 4 dB 1 0 1 5 dB 0 1 1 6 dB 1 1 1 7 dB Front Panel Disable Reported As SVM Fault Note Applies only to RS 232 status report SW2 4 Standard Status Word 0...

Страница 26: ... Simplex Operation 1 Duplex Operation Group Lockout on Primary Site Failure SW3 6 Disabled 0 RX Group Lockout Disabled 1 RX Group Lockout Enabled Repeat Mode SW3 7 Enabled 0 Repeat Mode Disabled 1 Repeat Mode Enabled Vote Indication Hold After Squelch SW3 8 Disabled 0 Disabled 1 Enabled Voting Criteria Voting Transition Timer Applies to SW4 unless COR Lock Voting Lock is enabled via CPM SW3 3 SW4 ...

Страница 27: ...eceivers Guard Tone Operation SW2 4 Disabled 0 Disabled 1 Enabled Applies Only If SW2 2 3 Set for Hardwired COR or Pilot Tone TB1 TB12 Pin 16 Configuration Site Designation OR Note Dual Function SW2 5 SW2 6 OR Note Dual Function TX Selected Out RX TX Site OR Note Dual Function 0 Unsquelch Out 1 TX Selected Site Out 0 RX Only Site 1 RX TX site can transmit receive OR Applies Only If SW2 2 3 Set For...

Страница 28: ... Term Block Pin 19 Function Configuration SW5 3 TX Inhibit Input 0 TX Inhibit Input 1 Unsquelch Inhibit Input COR Onset Delayed with RX Audio SW5 4 COR Not Delayed 0 COR Not Delayed 1 COR Delayed with RX Audio Pilot Tone Detector Sensitivity SW5 5 Full Sensitivity 0 Full Sensitivity 1 Detector Sensitivity Reduced RX Audio Output Delay SW5 6 7 Disabled 00 Disabled 01 100ms 10 200ms 11 400ms Spare S...

Страница 29: ...pping Agency Date s of Shipment The Customer Service Department can be reached by phone at 919 790 1011 enter 0 for the operator and request technical assistance by fax at 919 790 1456 Upon receipt of this information we will arrange for repair or replacement of the equipment 3 3 Reshipment of Equipment If it is necessary to return the equipment to the manufacturer a Returned Material Authorizatio...

Страница 30: ...e unit See Section 3 5 for instructions regarding air circulation requirements and other mechanical mounting considerations 2 Provide the proper primary power for the unit 3 Provide proper grounding and surge protection 4 Interconnect the unit with the communications system via the unit s backplane connectors 5 Check all internal set ups and adjustments per Sections 3 9 through 3 12 The SNV 12 is ...

Страница 31: ...without provisions made for air to flow through the voter A fully loaded SNV 12 with twelve SVM modules installed dissipates approximately 100 watts Consider other heat sources installed along with the SNV 12 in a 19 rack or other type of cabinet Do not install other heat generating devices below the SNV 12 Use forced air cooling in the cabinet if necessary NOTE If the SNV 12 is installed in a hig...

Страница 32: ...SNV 12 Operations Manual 3 4 SNV 12 Figure 3 1 Outline Dimensions ...

Страница 33: ...230 VAC 47 TO 63 Hz AC FUSE F2 1 2 0 6 AMPS AC INPUT 230V 1 6A T GND DC INPUT DC FUSE IS 32V V GND 115V 3A T 15 PULL TO VOLTAGE TO SET AC ROTATE SPEAKER VOLUME REMOTE FAULT NORM PEAK SNV 12 12V 12V POWER DC AC PSM 1A CONSOLE IN RX TX VOTED OUT RX OFF CIM 2A FAULT FAULT FAULT FAULT FAULT FAULT SELECT DISABLE NORM RX IN TX SEL VOTED VOTED UNSQ UNSQ NORM SELECT DISABLE TX VOTED VOTED UNSQ UNSQ TX UNS...

Страница 34: ... a grounded outlet As shipped from the factory the SNV 12 is normally set for the correct 115 VAC unless otherwise stipulated on the Purchase Order but the voltage selection should be checked before initial operation The number visible at the bottom of the Power Interface Module located on the rear panel See Figure 3 2 indicates the nominal line voltage range in the following manner 110 position n...

Страница 35: ...ars The PSM 1A operates with a nominal 12 VDC input only it does not contain any provisions for 24 VDC CAUTION Always disconnect both the AC and DC input power cabling from the SNV 12 prior to servicing the unit NOTE Any DC power supply connected to the SNV 12 DC input must be Safety Extra Low Voltage SELV certified 3 6 2 2 Battery Power for the SNV 12 The SNV 12 may also be connected to a 12V bat...

Страница 36: ... the other chassis modules It can only be replaced if the PSM 1 is removed from the chassis F1 prevents damage to the PSM 1 if a short circuit or other unusual load is applied to this bus If AC is applied and the AC LED is lit the 12V and 12V LEDs should light when the PSM 1 front panel pushbutton power switch is pushed in If they do not this is an indication that Fuse F1 is blown or possibly anot...

Страница 37: ...from the unit Loosen the four captive front panel screws and carefully slide the PSM 1A from the chassis To completely remove the PSM 1A the attached cable assembly must be disconnected though this is not necessary to replace the fuse Fuse F1 is installed behind the heat sink panel as indicated above Simply snap out the blown fuse and snap in a new one Reverse disassembly procedures to reinstall t...

Страница 38: ...ground system If the voter is co located with transmitter and receiver equipment at a communications tower site all transmission lines shall be protected by surge protectors similar to Polyphasor coaxial protectors These devices shall be connected to a site single point ground system In addition ground kits shall be properly installed on all feedlines Communications tower sites should have a prope...

Страница 39: ... 12 6 4 and 5 5 Set Voting Parameters if need difference from factory settings Set Signal Quality difference on CPM SW2 1 2 and 3 Set Voting Delay on CPM SW4 See 5 6 Is Voting Lock needed Set CPM SW3 3 for Voting Lock on COR Set CPM SW3 4 for Voting Detect Lock on Data See 3 12 5 3 5 8 and 5 9 Are Pilot Tones used on any SVM Default is 1950 Hz Pilot Tone Operation Enable pilot tones with SVM SW2 2...

Страница 40: ...3 Set Holdover Timer with CPM SW3 1 2 Set Group Primary Sites if desired using SW3 4 Set Group Lockout with Primary Site Failure using CPM SW3 6 See 3 12 5 3 and 5 18 Is Repeat Mode retransmission of voted audio needed Set Repeat mode ON with CPM SW3 7 See 3 12 5 3 and 5 15 Is Tone Keying rather than hardwired PTT needed Set Tone Keying parameters with CIM SW2 1 2 3 4 and 5 See 3 12 2 3 and 5 20 S...

Страница 41: ...es as opposed to leased line circuits or leased T1s 3 10 2 Radio Links Radio links may be used where microwave systems are not cost effective or may not work correctly Typically the receiver s audio is relayed via a UHF radio link back to the voter site At the voter a UHF receiver passes the audio to the specific SVM This type of system may be configured in one of the following ways 3 10 2 1 Use O...

Страница 42: ...by high pass filtering The link transmitter should be rated for 100 duty cycle especially when the link transmitter is always active sending pilot tone Link receiver should utilize RF bandpass filtering especially when mobile type radios are used for the link The audio response of the link transmitter receiver combination should be flat between 300 3000 Hz Poor audio frequency response of the link...

Страница 43: ...o request tighter specifications on the leased lines in order to equalize performance By adding C 1 conditioning the frequency response specifications change to 300 to 2700 Hz 2 to 6 1000 to 2400 Hz 1 to 3 dB C 1 conditioning will improve voice quality and improve performance when a mixture of leased lines and microwave RF is used There will still be high roll off above 2700 Hz Adding C 2 conditio...

Страница 44: ...scern the signal quality differentiation between voting sites or they may do a poor job of passing tones required for signaling purposes Signal Level Variations Some VoIP equipment includes an AGC function Analog voters rely on a measurement of relative noise content between the unsquelched channels This requires that signal levels be properly set and do not vary on a site to site basis Latency Ji...

Страница 45: ...he voter will experience either a gap in audio if the jitter buffer had emptied and is being refilled or a sudden jump ahead in the audio content as the jitter buffer dumps excess packets Both of these are problematic to throughput audio at the moment they occur but this process also creates during and afterwards a constantly changing throughput delay variation that builds up to the duration of th...

Страница 46: ...NV 12 Site Voter Modules has an associated 20 pin screw terminal block The pin connections for each site are identical The connectors are labeled J1 J12 on the terminal block backplane for Site Voter Modules 1 through 12 Pin 1 is at the top of each connector The terminal blocks are protected by an aluminum plate that is easily removed by taking off the 5 screws that secure it to the backplane The ...

Страница 47: ...n 11 16 Unsquelch Out OR TX SEL OUT Configurable output Normally indicates active COR Unsquelched when low When SVM COR type is pilot tone or hardwired COR the function of this output determined by SVM SW2 5 When OFF output goes low when positive COR detected When ON output goes low when this site is selected for Console TX 17 Fault Out Low while fault detected on this site 18 Site PTT Out E M rel...

Страница 48: ...n See 3 12 5 10 Pilot Tone Notch Disable Low to disable pilot tone notch filter except when pilot tone is detected Note See 3 12 5 regarding side effects 11 Select In Low to select force vote this site 12 Disable In Low to disable this site remove from voting 13 COR In Hardwired COR Input from receiver 14 MOM TX Sel In Momentary low to select SVM for transmit Reverts to default site when holdover ...

Страница 49: ...ial Remote Connector This female 9 pin D sub connector provides a serial RS 232 interface The connector is labeled P1 on the backplane Standard DCE pinout is used Table 3 4 P1 Serial Remote Connections PIN Signal 2 TX Data 3 RX Data 5 Ground ...

Страница 50: ... In B Balanced transmit audio input from the console 4 N C No Connection 5 PTT COR Directed COR Out Indicates if any site is keyed or when any SVM is unsquelched Internally configurable active high or low or with delay Note Transmitters should be connected to SVM TB1 TB12 See Table 3 2 6 Data Ground Dedicated ground connection for ext clock and data 7 Ext Clock In Serial clock input in an expanded...

Страница 51: ...igh or low or with delay 9 Voted Line Out Line Level Voted Audio not muted by pin 17 10 System Voted Out Logic low if any SVM is voted 11 System Fault Out Logic low if any SVM is faulted 12 COR Input OR STARS Enable Low input activates Directed Active High COR Output Alternate function is STARS Enable CIM 2A SW4 6 ON Alternate function CPM 3 only 13 Relay N C Follows configuration of PTT COR Direc...

Страница 52: ...5 Table 3 7 P3 Expansion Connector PIN Signal Description 1 Exp Voted A In Balanced voted receive audio input from another chassis 2 Ground Ground connection 3 Exp TX B Out Balanced transmit audio output to another chassis 4 N C No connection 5 N C No connection 6 Data Ground Dedicated ground connection for ext clock and data 7 Exp Clock Out Serial clock output in an expanded system 8 RX Data Ext ...

Страница 53: ...8 15 9 1 6 2 10 3 11 4 12 5 13 7 14 8 15 9 MASTER DB 15 FEMALE EXPANSION 1 DB 15 MALE CONSOLE RXA OUT CONSOLE RXB OUT GND CONSOLE TX IN P2 DATA GND SELECT IN EXP CLK IN RX DAT TX DAT EXP RXA IN EXP RXB IN GND EXP TXA OUT EXP TXB OUT DATA GND SELECT OUT EXP CLK OUT TX DAT OUT RX DAT IN RBP EXPANSION CABLE 24 SITE SYSTEM 18 INCHES File Name 5951 89024 VSD 5951 896024 FEBRUARY 13 2004 DBH P3 CONSOLE ...

Страница 54: ...LE RXB OUT EXP RXB IN GND CONSOLE TX IN EXP TXA OUT EXP TXB OUT DATA GND SELECT IN SEL OUT EXT CLK IN EXP CLK OUT RX DAT TX DAT OUT TX DAT RX DAT IN SEL CNT DAT GND RX DAT TX DAT EXPANSION CABLE 36 SITE SYSTEM EXPANSION 1 DB 15M EXPANSION 2 DB 15M MASTER DB 15F EXPANSION 1 DB 15F P2 EXPANSION P3 EXPANSION P3 MASTER P2 EXPANSION 18 INCHES 18 INCHES 18 INCHES CONSOLE TX IN CONSOLE RXA OUT CONSOLE RX...

Страница 55: ...to the Power Supply Module slot All modules except the power supply module can be hot plugged removed and re inserted with the unit s power on without damage but interruptions to unit operation may occur see Section 4 2 3 12 1 PSM 1A Power Supply Section 3 6 describes how to configure the PSM 1A for the input voltages and options used Except for the Charge switch the power supply module requires n...

Страница 56: ...ncy Response HPF Disable Switch SW3 Function 1 Simplex Console Transmit Inhibit 2 Simplex Voting Hold Off Timer 3 Simplex Voting Hold Off Timer 4 TX Hangtime Repeat Mode Only Unless SW3 8 On 5 TX Hangtime Repeat Mode Only Unless SW3 8 On 6 PTT UNSQ Output 7 PTT UNSQ Output 8 Console TX Hangtime Enable Switch SW4 Function SW4 available on CIM 2A only 1 Mix Repeat Audio With Console TX Audio 2 Mix R...

Страница 57: ...P4 JP6 LTR NOTE NO JP3 JP7 ON SOME EARLIER REVISION MODULES JP7 ACTIVE LOW ACTIVE HIGH VA MUTE INPUT INT SPKR EXT SPKR CIM 2 CIM 1 SW3 SW2 8 1 8 1 AUDIO DELAY SW1 UNBAL BAL JP2 CIM 2A JP1 1 8 SW4 INT EXT 1 1 VOTED OUTPUT CONSOLE INPUT ADJ ADJUST SW5 JP7 VA MUTE JP8 PTT JP9 PTT NORM E M PULLUP 5V 12V ACT LO ACT HI PULLUP R67 R50 SPEAKER VOLUME 1 1 1 SPEAKER Figure 3 6 Console Interface Module Inter...

Страница 58: ...t 10k pull up to 5 VDC Threshold approx 2 5 VDC E M input PTT Active for input below 10 VDC inactive for open circuit or above 0 VDC Notes Factory default jumper settings marked by Pin 1 indicated by square pad PTT input can be set to active high by CIM 2A switch SW4 4 JP1 Speaker Set the jumper on positions 1 2 to listen to the internal speaker at the CIM front panel To use an external speaker mo...

Страница 59: ...nges to PTT inactive for input below 10 VDC active for open circuit or above 0 VDC 3 12 2 2 CIM Switch SW1 Console TX Audio Delay SW1 is a BCD rotary switch used to add delay to the Console TX Input Audio The Console TX Audio Delay feature allows communications system TX audio and PTT control paths to be set and stable before console audio is passed through The delay is adjustable from 0 to 450 ms...

Страница 60: ... 390 2 60 6 180 A 300 E 420 3 90 7 210 B 330 F 450 3 12 2 3 CIM SW2 Settings SW2 1 2 and 3 Transmitter Control Keying Tone Frequency Type The SNV 12 can generate various key tones and mix them with the SVM TX audio outputs The voter can also detect the EIA key tone sequence in the Console TX Input audio The available single tone keying tones are 1950 Hz 2175 Hz 2600 Hz and 2950 Hz When selected th...

Страница 61: ...for additional information When standard EIA key tone detection is enabled the SNV 12 may be switched remotely in and out of the repeat mode by sending the proper function tone via the console TX audio input Standard EIA key tone generation also uses the standard F1 1950 Hz tone but three other function tones may be generated and mixed with the TX audio output These different function tones may be...

Страница 62: ... Output Selection P2 11 Console Connector P3 11 Expand Connector Function Tone Open Open 1950 Hz F1 Grounded Open 1850 Hz F2 Open Grounded 1350 Hz Wild Card Grounded Grounded 1250 Hz Wild Card SW2 4 5 Key Tone Relative to Audio Single keying tones generated in the voter may be adjusted in relationship to the transmit audio level by SW2 4 5 This does not apply to the EIA tone sequence as these rela...

Страница 63: ...IA sequence in the Console TX Audio high guard followed by the proper function tone no low guard tone To Key High Guard 1950 Hz Function Tone Low Guard to hold Repeat Mode On High Guard 1550 Hz Function Tone Repeat Mode Off High Guard 1450 Hz Function Tone The repeat mode control using EIA keying tones is only allowed when CPM SW1 5 is Enabled The dipswitch that sets Repeat Mode Off On CPM SW3 7 s...

Страница 64: ...le SW2 7 Unsquelch Time Limiter OFF Disabled ON Enabled SW2 8 Low Frequency Response The CIM DSP circuitry has a high pass filter that is designed to remove low frequency energy such as 60 Hz AC hum from the input audio passband The high pass filter should be engaged for normal operation as only the audio above 300 Hz is used in most communications systems This should be disabled only if it is nec...

Страница 65: ...nsole ON Field SW3 2 3 Simplex Mode Voting Hold Off After Console Transmission This switch does not function unless the SNV 12 is set to the Simplex Mode When set to simplex the SNV 12 will not vote during console transmissions This prevents the remote receivers from voting console audio since the transmit frequency of the console TX signal is the same as the voting receiver RX frequency It s also...

Страница 66: ... notch filters remove only the 2175 Hz low and high guard tones These settings do not apply to console transmissions unless CIM SW3 8 is also switched ON If so console transmissions have hangtime of the specified duration and other rules apply See SW3 8 description Table 3 21 Transmit Hangtime SW3 4 SW3 5 Hangtime Duration OFF OFF 0 no Hangtime ON OFF 0 5 seconds OFF ON 1 0 seconds ON ON 2 0 secon...

Страница 67: ... and CIM 2 modules rev D or higher Table 3 22 System PTT COR Output Configuration Applies to P2 5 TB13 8 and CIM 2 PTT COR Relay K1 SW3 6 SW3 7 COR Output Configuration OFF OFF PTT Only ON OFF Active Low COR OFF ON Directed Active High COR Unsq CIM 2A CIM 2 only ON ON Directed Active High COR Unsq Delayed 200ms CIM 2A CIM 2 only Note The system transmitter or repeater should be connected to an SVM...

Страница 68: ...is feature is not selected CIM SW4 1 2 both Off That is this feature affects only the audio that is being transmitted not which sites are put into Transmit Mode Table 3 24 Mix Repeat Audio With Console TX Audio SW4 1 SW4 2 Repeat Audio Attenuation OFF OFF Do Not Mix Repeat Audio ON OFF Mix at 6 dB OFF ON Mix at 3 dB ON ON Mix at 0 dB No Attenuation SW4 3 EIA Output Keying Tone Amplitudes Alternate...

Страница 69: ...the PTT Input Conditions that ensure that the PTT input is not activate voltage lower than 10 VDC will key the voter Table 3 26 PTT Input Polarity SW4 4 PTT Input Polarity OFF Active Low ON Active High SW4 5 TB13 17 Alternate Function Repeat Enable Input For use with CPM 3 and CIM 2A Only Switching SW4 5 ON re assigns the TB13 17 input to be Repeat Enable Disable input rather than a VA Mute input ...

Страница 70: ... input is asserted driven low the STARS function in the voter is enabled Otherwise the STARS function is disabled Note that when this mode is used the STARS enable setting CPM 3 SW2 7 will be overridden by the TB13 12 hardware input state Table 3 28 TB13 12 Function SW4 6 TB13 12 Function OFF Dir Unsquelch Input ON STARS Enable SW4 7 to SW4 8 Reserved For Future These switches must remain in the O...

Страница 71: ... and then work with the console to bring the input key tones into alignment with the specification The High Guard Alert Tone should be 125 millisecond long at 2175 Hz 10 dB above average voice audio The Function Tone should be 40 msec long at the average voice level The Low Guard Hold Tone should be at 2175 Hz 20 dB below the voice level Either of the two following methods may be used to set the i...

Страница 72: ...Bm to 11 dBm Note The Voted Audio Output adjustment should be done after the receiver adjustments receiver to voter linking medium settings and SVM RX input levels are properly set Connect a service monitor to a receiver s antenna port On the receiver s frequency generate a 1kHz tone at full deviation FM 3kHz normal 2 4kHz NPSPAC AM 100 modulation Apply enough signal strength to fully quiet the re...

Страница 73: ... to its Factory Default settings via jumper JP16 on the CPM 3 module To return to Factory Defaults set J16 to the Reset Position and cycle the power to On Be sure to then return the jumper to the norm position or the factory defaults will be reset every time power is cycled These are the factory default options and settings Config Option Default Setting Module Name CPM 3 Password lightfoot IP Addr...

Страница 74: ...h Assignments Switch SW1 Function 1 Baud Rate 2 Baud Rate 3 Baud Rate 4 Enable Disable Remote Control 5 EIA Control of Repeat Mode 6 Pilot Tone EOT Noise Cancellation 7 Manufacturing Test 8 TX Default Site Multicast or Home Site Switch SW2 Function 1 SNR Difference 2 SNR Difference 3 SNR Difference 4 SVM Fault Reporting 5 Line Fault Detection 6 Line Fault Detection 7 STARS 8 Normal Update Switch S...

Страница 75: ...SNV 12 Operations Manual 3 47 ...

Страница 76: ...control via RS 232 When the SNV 12 is configured for remote operation the REMOTE LED on the Console Interface Module will be on In multiple chassis setup only the Master unit can be or needs to be controlled remotely The Remote Control Protocol is detailed in Section 6 Table 3 31 Serial Port Control SW1 4 Remote Control OFF Disabled ON Enabled SW1 5 Control of Repeat Mode Using EIA Keying Tones Th...

Страница 77: ...io synchronization issue Table 3 33 Pilot Tone EOT Noise Cancellation SW1 6 Repeat Mode Control OFF Disabled ON Enabled SW1 7 Manufacturing Test This switch is used to enable Manufacturing Test Operation This switch setting activates features used only by us during manufacturing test Leaving this switch ON will interfere with normal SNV 12 operation NOTE This switch must remain in the Off position...

Страница 78: ...SNV 12 Operations Manual 3 50 Table 3 35 Default TX Site Selection SW1 8 Default TX Destination OFF Home Site ON Multicast ...

Страница 79: ...sed solely on the random fluctuations always present in noise levels More detail is provided in Section 5 6 Table 3 36 Voting Criteria SW2 1 SW2 2 SW2 3 Signal Quality Difference OFF OFF OFF 0 Test Mode ONLY ON OFF OFF 1 dB OFF ON OFF 2 dB ON ON OFF 3 dB OFF OFF ON 4 dB ON OFF ON 5 dB OFF ON ON 6 dB ON ON ON 7 dB SW2 4 SVM Fault Reporting This switch determines if a fault is reported on the RS 232...

Страница 80: ...B13 12 hardware input Table 3 39 STARS Selection SW2 7 Setting OFF STARS Disabled ON STARS Enabled SW2 8 Normal Update This switch is used to force an update of the software in the Console Interface Module and all Site Voter Modules as well as the CPM 3 CPLD programmable logic device program after power up or module insertion This is not normally needed as at unit power up the CPM 3 checks the rev...

Страница 81: ...the Holdover Timer This timer sets the length of time that transmission routing will follow automatic or manual TX steering When it expires console and Repeat Mode transmissions revert to the Default TX Site The infinite hold over timer selection means that console transmissions will never be sent to the default site except following initial power up before any site is chosen for TX steering but w...

Страница 82: ...N Voting Lock Enabled SW3 4 Voting Lock on Telemetry Data Detection This switch is used to set the SNV 12 to maintain a lock on the voted site when the presence of Telemetry Data is detected In this mode as long as the voter continues to see data that conforms to the telemetry data specifications it will remain locked on the voted site When the data disappears the normal voting process is re estab...

Страница 83: ...ex mode if the voting system is simplex TX RX frequencies are the same or half duplex transceivers connected to the voters TX RX ports have different TX and RX frequencies but cannot receive while they are transmitting Otherwise set to Duplex mode Table 3 44 Duplex Simplex Operation SW3 5 Setting OFF Simplex operation ON Duplex operation SW3 6 Group Lockout with Primary Site Failure When this feat...

Страница 84: ... terminal block Voted Out output The voted indicators will remain activated until the Holdover Timer expires or a new site is voted and chosen by STARS When this feature is not enabled all voted indicators are de activated as soon as all sites become squelched Any manual select input front panel SELECT switch rear panel Select In input or RS 232 TXSEL command will override the STARS site choice Se...

Страница 85: ...eed and smoothness of voting operation See Section 5 6 Table 3 48 SW4 As Voting Transition Timer Position Delay Position Delay Positio n Delay Position Delay 0 Do not use 4 200ms 8 400ms C 2 sec 1 50 ms 5 250ms 9 500ms D 2 5 sec 2 100ms 6 300ms A 1 sec E 3 sec 3 150ms 7 350ms B 1 5 sec F 5 sec Position 0 is for testing purposes only The Voting Criteria default settings of 1 dB set by SW2 1 2 3 and...

Страница 86: ...er positions the voter will ensure that the lock does not occur until the set delay elapses The delay timer starts the moment when the CPM is informed of an unsquelched SVM The actual time between an unsquelch condition and the onset of the COR Lock may take a longer but not shorter period of time than the SW4 setting because of the polling operation of the SNV 12 The CPM communicates with each SV...

Страница 87: ...ots switches and jumpers for this module The previous SVM 1 module is shown for reference TP3 SW2 8 1 SVM 2 TX SEL VOTED UNSQ TX FAULT SW3 SW5 TX LVL PEAK NORM RX LVL ADJ SELECT NORM DISABLE SWITCH ACT LO ACT HI JP5 TB PIN 19 JP3 NORM E M JP4 JP1 BALANCED UNBAL JP2 HI Z LO Z 1 8 1 8 SW1 AUDIO DELAY ADJ COR PTT JP6 GROUND RETURN E M OUT JP1 JP2 RX INPUT CONFIG NO JP6 ON EARLY REVISION SVM 2 CONFIGU...

Страница 88: ... Only Site Configuration 7 COR Polarity 8 High Pass Filter Switch SW3 Function 1 RX Group 2 RX Group 3 RX Group 4 Primary Site Designation 5 FM Mode or AM HF Mode Voting 6 Simplex Repeat Enable 7 AGC Line Equalization 8 AGC Line Equalization Switch SW5 Function 1 Pilot Tone Guided AGC 2 Pilot Tone Notch Disable 3 Pin 19 Configuration PTT Inhibit or Unsquelch Inhibit 4 COR Onset Delay 5 Pilot Tone ...

Страница 89: ...JP2 RX Audio Input Balanced Unbalanced Balanced Single Ended JP3 COR Input Normal logic level E M JP4 PTT Output Normal logic level E M JP5 TX Inhibit Terminal Block Pin 19 Configuration Active Low Active High JP6 E M Return Configuration Internal Ground Connected to Pin 10 Notes Factory default jumper settings marked by SVM 1 has JP1 only No JP6 on some early revision SVM 2 Modules These early un...

Страница 90: ...als can damage the SVM 2 if JP3 is not set to E M JP4 PTT Output Configuration The SVM PTT Output signal may be set as either an open collector transistor that pulls low when PTT is activated JP4 pos 1 2 or as an E M output with a relay contact closure JP4 pos 2 3 The relay contact closure can either be to an internal ground or the E M signal can be looped back out to a rear panel terminal dependi...

Страница 91: ...240ms C 360ms 1 30ms 5 150ms 9 270ms D 390ms 2 60ms 6 180ms A 300ms E 420ms 3 90ms 7 210ms B 330ms F 450ms 3 12 6 3 SVM Switch SW2 Settings NOTE Factory settings are marked SW2 1 Pilot Tone Guard Tone Selection When pilot tones are used in the system the SVM may be configured for tones at either 1950 or 2175 Hz by SW2 1 If a guard tone is used it will always be the frequency that is not used for p...

Страница 92: ...ot tone by SW2 1 For example if the pilot tone is set to 1950 Hz the guard tone is automatically set to 2175 Hz When this feature is enabled and after guard tone has been acquired failure of the SVM to detect the guard tone will result in that module being immediately removed from eligibility for voting until the guard tone is again acquired The SVM FAULT LED will also be lit The guard tone is con...

Страница 93: ...Site ON RX TX SW2 5 6 When COR Type Selection Is Audio Level COR SW2 5 6 Audio Level COR Threshold The SNV 12 Site Voter Module can be set to generate its own internal COR based on the input receiver audio level See Section 5 10 and SW2 2 3 COR Type above This feature is not for installations where either a hardwired COR line or a pilot tone is available both provide a more reliable unsquelched co...

Страница 94: ...ON Medium Low ON ON Lowest Threshold highest sensitivity NOTE Audio Level COR should never be used in conjunction with Repeat Mode When Repeat Mode is selected every time a site is voted the associated transmitter is keyed and retransmits the voted audio When Audio Level COR is selected any type of noise burst or momentary static on the receive audio lines to the voter will cause the associated SV...

Страница 95: ...ircuitry has a high pass filter that is designed to remove low frequency energy such as 60 Hz ac hum from the audio passband The high pass filter should be engaged for normal operation as only the audio above 300 Hz is used in most communications systems This should be disabled only if it is necessary to pass low frequency information such as sub audible data CTCSS DCS etc If the filter is disable...

Страница 96: ...Not a member of any RX group ON OFF OFF RX Group 1 OFF ON OFF RX Group 2 ON ON OFF RX Group 3 OFF OFF ON RX Group 4 ON OFF ON RX Group 5 OFF ON ON RX Group 6 ON ON ON RX Group 7 SW3 1 2 and 3 Function Tone Guided TX Steering Groups The Function Tone Guided TX Steering feature allows console transmissions to be steered to a specific SVM or group of SVMs based on The function tone that precedes the ...

Страница 97: ...one site can be designated as the primary site for the group Audio routing varies depending on primary site selections See Sections 5 13 through 5 18 If more than one site is designated by SW3 4 as the group s primary site audio will be routed to all designated primary sites in the group This designation relates only to standard RX group operation as described in Section 5 18 When the Function Ton...

Страница 98: ... ON AM HF mode SW3 6 Simplex Repeat To Currently Voted Site When in the Simplex Mode and the Repeat Mode the SNV 12 normally will not send repeat audio and keying commands to the voted site This prevents the keying of a simplex transceiver at the voted site as keying would take the unit out of its RX mode making it ineligible for voting and setting up a feedback loop of voting keying un voting unk...

Страница 99: ...tions that mix leased line and microwave links unless conditioning is added to the leased lines We recommend that when leased line and microwave and or RF links are used that the leased line circuits have C2 conditioning specified This may eliminate the need for using the SVM equalization feature and will also ensure not only that the voting process functions properly but also ensure the audio cha...

Страница 100: ...ower levels of equalization for leased line only installations where a site with poorer audio quality is being voted over a better sounding site that is also unsquelched The module SELECT and DISABLE selection on the SVM s front panel can be used to force vote individual sites for monitoring via the CIM s speaker for comparison purposes Table 3 65 Line Equalization SW3 7 SW3 8 Equalization Level O...

Страница 101: ...the pilot tone disappears Thus the gain applied to each individual transmission from a system user depends on the level of the pilot tone that preceded it at the SVM s RX audio input Table 3 66 Pilot Tone AGC SW5 1 AGC Feature OFF Disabled ON Enabled In order for the AGC system to produce the correct receiver audio level in the SVM the pilot tone must arrive at the SVM input in a known relationshi...

Страница 102: ...link between the receiver and the voter is non linear and how to compensate if it is 1 At the receiver site connect a service monitor to the receiver s antenna port On the receiver s frequency generate a 1kHz tone at full deviation FM 3kHz normal 2 4kHz NPSPAC AM 100 modulation Apply enough signal strength to fully quiet the receiver typically 12 dB The 1kHz tone is used to simulate average voice ...

Страница 103: ...m ON ON Highest Note When Pilot Tone AGC is enabled the normal Line Equalization feature also controlled by SW3 7 and SW3 8 is not available However the action of the AGC link equalization has a similar effect on the overall voting process Overall AGC Limits The maximum AGC limits are 6 dBm of compression and 12 dBm of gain relative to the NORM voice setting If the pilot tone amplitude is higher t...

Страница 104: ...er makes a quick initial vote and holds it until all sites squelch This initial vote usually occurs before speech is present in the RX input Table 3 68 Pilot Tone Notch Filter SW5 2 Pilot Tone Notch Filter OFF Enabled ON Disabled no notch Note To Disable with the SVM 1 Module strap terminal block pin 10 to a ground pin for each SVM 1 that will use this feature For SVM 2 modules this rear panel ter...

Страница 105: ...elayed along with the audio The ability to delay COR is not available with SVM 1 modules See Section 5 7 for more information Table 3 70 COR Delayed with Rx Audio SW5 4 COR Delay OFF COR Not Delayed ON COR Delayed SW5 5 Pilot Tone Sensitivity Reduction This switch allows the pilot tone sensitivity to be reduced by approx 7 dB This may assist operation in environments where local environmental nois...

Страница 106: ...is preferable to compensate for MDC telegrams arriving too close to the start of transmission by modifying the radio system to increase the front porch time for the transmissions The RX output Audio Delay function is meant as a secondary option for the case when modifying the radio system is not possible NOTE To properly configure the SNV 12 the RX Output Audio Delay should first be set to disable...

Страница 107: ...e audio level into the SVM is not correct and the RX level potentiometer should be adjusted It is important the audio levels be correctly adjusted as they will affect the operation of the DSP algorithms for both voting and line fault detection There are three ways to set the input level to the SVM Method 1 the preferred method Connect a service monitor to a receiver s antenna port On the receiver ...

Страница 108: ...verage voice levels are the same levels out of the voter Both are set by R62 Repeat setup for remaining receiver sites Each SVM 1 or SVM 2 can be set to the same level at TP3 as measured on the initial SVM Method 2 Connect an AC Voltmeter between TP3 and ground TP4 Remove the antenna from the receiver and open its squelch so that broadband noise is received at the SVM Adjust the SVM audio level co...

Страница 109: ...erage voice Connect a transmission test set to the receiverÕ s audio pair Squelch the receiver and set the receiverÕ s Pilot tone pot to produce the same level as average voice Set the SVM receive audio level pot R45 so that the average voice 1KHz tone just lights the NORM LED Verify this adjustment by connecting a transmission test set to test point 3 TP3 ground The SVM 1 should be set to 0dBm Th...

Страница 110: ...o input potentiometer R45 so that the 1kHz average voice test tone just lights the NORM LED Yellow Verify this adjustment by connecting a transmission test set to SVM test point 3 TP3 and ground The SVM 2 should be set for 5dBm and the SVM 1 should be set for 0dBm 5 Use the SVM front panel switch to Select force vote the site being set up note that a site must be unsquelched before it can be force...

Страница 111: ...ion Chassis 1 until 0dBm is measured between TP3 and ground 14 If there is only one Expansion Chassis skip to Step 15 Otherwise adjust R50 on the CIM module of Expansion Chassis 2 until 0dBm is measured between TP3 and ground 15 Now adjust the transmit levels for all system SVMs connected to transmitters through the SVM terminal block pins 5 4 Connect a transmission test set to TP1 and ground on t...

Страница 112: ... 47k ohm unbalanced input The use of balanced inputs and shielded cables is recommended for superior immunity to noise The audio inputs will accept signal levels from 30 to 11 dBm Internal circuitry is used to amplify or attenuate this input as necessary to optimize the level to the DSP processors The signal levels are adjusted by internal potentiometers with PEAK and NORM lights to aid in adjusti...

Страница 113: ...SNV 12 Operations Manual 3 85 Figure 3 12 SVM 1 Remote Receiver Audio Input ...

Страница 114: ...sole TX Audio Input The CIM 1 input is 600 ohm balanced No jumper is supplied to create an unbalanced or high impedance input To connect to an unbalance output ground Console TX Input B and wire the single ended console audio input to Console TX Input A ...

Страница 115: ...SNV 12 Operations Manual 3 87 Figure 3 14 CIM 2 Console TX Audio Input On the CIM 2 module Jumper JP2 allows either a 600 ohm balanced input or a high impedance single ended input ...

Страница 116: ...y to noise The audio outputs will send out signal levels from 20 to 11 dBm The internal signal level is set for optimum performance of the DSP processors The circuitry shown below will amplify or attenuate to set the output to the level required by external equipment All inputs and outputs are set to 600 ohm balanced at 10 dBm when shipped Figure 3 15 SVM TX Audio Output Figure 3 16 CIM Voted Audi...

Страница 117: ...E M the threshold is approx 5 VDC nominal use greater than 0 5 VDC and less than 10 VDC as the definite switchover thresholds The standard setting is an indication of active COR for an input below 10 VDC and inactive COR with an input above 0 5 VDC Again the COR Polarity dipswitch on each SVM can reverse this Note An identical circuit is used on the CIM 2A to provide a PTT input that can be trigge...

Страница 118: ...inal of a relay The relay is activated whenever the SVM 2 is put into the TX mode when not in the TX mode the output terminal is open circuited JP6 determines if when the SVM is in the TX mode the output is Internally Grounded JP6 on pins 1 2 Routed out to the E M Return terminal on the rear panel terminal block Note On some early revision SVM 2 modules do not have A JP6 jumper or an E M return li...

Страница 119: ...Lead Busy Type I Open Ground Ground Battery Type II Open Signal Ground Open Signal Battery Type III Open Ground Signal Ground Signal Battery Type V Open Ground Open Ground The diagrams on the following pages illustrate how to connect E M leads to an SVM 2 module for type I II III and V signaling ...

Страница 120: ...SNV 12 Operations Manual 3 92 Figure 3 19 SVM 2 for Type I Signaling ...

Страница 121: ...SNV 12 Operations Manual 3 93 Figure 3 20 SVM 2 for Type II Signaling ...

Страница 122: ...SNV 12 Operations Manual 3 94 Figure 3 21 SVM 2 for Type III Signaling ...

Страница 123: ...SNV 12 Operations Manual 3 95 Figure 3 22 SVM 2 for Type V Signaling ...

Страница 124: ...SNV 12 Operations Manual 3 96 The following diagrams illustrate how to connect E M leads to a CIM 2 module for type I II III and V signaling Figure 3 23 CIM 2 for Type I Signaling ...

Страница 125: ...SNV 12 Operations Manual 3 97 Figure 3 24 CIM 2 for Type II Signaling ...

Страница 126: ...SNV 12 Operations Manual 3 98 Figure 3 25 CIM 2 for Type III Signaling ...

Страница 127: ...SNV 12 Operations Manual 3 99 Figure 3 26 CIM 2 for Type V Signaling ...

Страница 128: ...accommodate Contact Closure Sensing The inputs connect to a 47k ohm pull up resistor to 5 VDC and a current limiting resistor to the input of a logic gate A contact closure to ground will be sensed by the gate and indicate an active input Note The COR Inputs on the SVM modules may be programmed to accept either Active High or Active Low COR signals The circuit function does not change instead the ...

Страница 129: ...tors include a parasitic diode damage may occur if the applied voltage goes negative by a diode drop and is not current limited to approx 10 mA For Contact Closure Outputs The digital outputs consist of an open channel transistor and are pulled up to 5 VDC by an internal 47k ohm resistor These outputs are capable of creating a contact closure indication for positive voltage inputs up to 60 VDC Unl...

Страница 130: ......

Страница 131: ... front panel handle for ease of handling The backplane is attached to the rear of the chassis with screws along its top and bottom edges A combination AC power connector fuse holder and line filter snaps permanently into a metal enclosure which mounts to the backplane board and all dangerous AC voltage lines are covered by the enclosure The backplane makes all electrical connections between the va...

Страница 132: ...assis with regulated 12 VDC and filtered but unregulated 15 VDC Each module produces its own 5V from the unregulated 15 VDC A filtered line voltage selector module is used on the AC line input If the AC voltage fails the DC voltage automatically takes over There is also provision to charge an optional 12 V gel cell backup battery sized to provide one hour of back up operation The charger is design...

Страница 133: ...ombination and two audio indicating levels LEDs normal and peak that monitor the Console TX Audio input level 4 4 3 Speaker Switch This switch has three selections Off Voted Audio or Voted Audio plus Console TX Audio It controls both the front panel speaker and the external speaker driver audio signal available at the rear panel It dos not affect audio to the console or TX audio from an SVM 4 4 4 ...

Страница 134: ...Green Expansion 1 and Expansion 2 each yellow 4 5 3 Hardware Description The voter processors include a Freescale Coldfire based central control processor and up to 12 SVM modules A synchronous serial bus supports inter processor communications Each module has a unique Select line that is bi directional As far as the SVM module is concerned the Select line is strictly an input but the control proc...

Страница 135: ...e unit power up sequence until all internal setup is complete and the unit is fully operational This LED will also light if the CPM 3 fails to establish communication with any of the Site Voter Modules installed 4 5 5 Master Expansion 1 Expansion 2 LEDs These LEDs flash during system power up and when software is being downloaded from the CPM 3 to other modules in the chassis Otherwise these LEDs ...

Страница 136: ...le is in the Disable Mode RX INPUT AUDIO adjustment potentiometer and level indication test point LEDs The SVM Module provides parallel status signals and inputs to interface with an external console These I O pins are protected from damage by high voltage transients When the voting system is first installed the installer using the audio level test point LEDs to set the proper internal input audio...

Страница 137: ...to Noise measurement HF AM mode Noise measurement FM mode pilot and guard tone detection pilot and guard tone notching and audio delay Input samples from the A D converter are passed to the various software routines for processing and the resulting audio samples are sent back to the D A converter Signal to Noise measurement is calculated based on the measured amplitude of the input signal in vario...

Страница 138: ...r the site selected until a new site is voted or the function times out The SVM 2 will flash this LED when the module is in the Select Mode 4 6 9 Unsquelch UNSQ LED The yellow LED lights whenever a signal capable of being voted is present on the associated site This indication will depend on the method of COR pilot tone in use In systems which use external COR inputs this occurs when the receiver ...

Страница 139: ...rrect revision software installed and then begin voting all eligible sites Eligible sites are all who s UNSQ LED is lit but are not Disabled or Faulted Keying functions are last to be enabled at power up The CPM FAULT indicator will flash until the power up sequence is complete NOTE If the CPM 3 detects that any of the modules in the chassis do not have current revision software it will download s...

Страница 140: ...t the RX Input Monitor Adjust access window in the SVM 2 s front panel The voted audio or a voted audio console TX audio combination may be monitored via the Console Interface Module using its speaker or an external speaker The volume knob on the CIM front panel controls the audio level to the speaker and the external speaker the speaker switch may be used to turn off signal to either the internal...

Страница 141: ...lugged that is they can be removed and inserted while the unit s main power is on and the unit is operational without any damage resulting Some temporary disruption of the voting process may result Changing even an idle Site Voter Module may disrupt a currently voted path It is best to wait until the entire system is idle before changing a module Changing a Console Interface CIM or Control Process...

Страница 142: ...SNV 12 Operations Manual 4 12 End of Section 4 ...

Страница 143: ...the baud rate See Sections 3 11 3 and 3 12 5 1 The serial remote control protocol is listed in Section 6 5 4 Serial Control via Telnet The serial remote control protocol is available via the Ethernet interface using the Telnet protocol The control protocol used for telnet is identical to the protocol used for the RS 232 serial port described in section 6 Section 6 4 provides details specific to th...

Страница 144: ...r sets when a voting transition can occur within a system that is currently active one site already voted The voting delay settings are from 50 msec to 5 seconds The purpose of longer delays is to restrict the number of voting transitions that occur when signal conditions vary rapidly This voting delay time is set by CPM module switch SW4 a 16 position rotary switch In order to be voted over the p...

Страница 145: ...SNV 12 Operations Manual 5 3 Figure 5 1 RX Audio Delay ...

Страница 146: ...lt setting with SVM SW5 4 left Off the audio is held in a buffer for the set delay time The unsquelch declaration is not delayed but the re squelch declaration is held off for the set delay time so that the end of the RX Audio message is not clipped This delay can be set to equal the time it takes to vote plus other delays later in the signal path thereby ensuring that all audio that reaches the v...

Страница 147: ...ll Data Detection algorithms and software are special order options to the SNV 12 5 10 COR Types Accommodated Each Site Voter Module is only eligible for voting only when it determines that its associated voting receiver is sending a valid signal This determination can be based on an active COR unsquelched input from the receiver pilot tone or hardwired COR line or deduced by DSP signal measuremen...

Страница 148: ...ed to be active low a logic level below 2 5V or a short to ground indicates COR or signal received A dipswitch on each SVM module accommodates receivers with active high COR outputs Again see Section 3 12 6 3 The SVM 2 Hardwired COR input may be configured by an internal jumper to accept an E M level COR input Please refer to Section 0 for E M interface drawings 5 10 3 Unsquelched Receiver When th...

Страница 149: ... unsquelched receiver and keying a handheld transmitter in close proximity to the receiver in a lab may result in a receiver that is so fully quieted that no detectable increase in noise occurs A communications service monitor should be used when setting these thresholds Note also that noisy lines may cause a site to become inappropriately unsquelched and voted Because of noisy lines and or insuff...

Страница 150: ... for all modules in the system regardless of COR type except for SVMs set to the Unsquelched Receiver COR type where COR is always active The line fault timer will not be activated for these sites For all other COR types the timer will start for each module as soon as the SVM s UNSQuelched LED is lit indicating COR or absence of Pilot Tone The timer is also inactivated for any SVM when it is locke...

Страница 151: ... input is activated this does not affect TX eligibility status Multicast To transmit via all TX eligible sites Console Priority Console transmissions take precedence over retransmission of voted audio when in Duplex Mode or the voting process itself when in Simplex Mode Field Priority Received messages from users in the field take precedence over console transmissions for retransmission of voted a...

Страница 152: ... transmit voted audio via one or more SVMs Whenever any site is voted the Default TX Site s transmit audio outputs will be enabled and contain the receive audio from the currently voted module There are two basic options available for the Default TX Sites Home Site or Multicast see Section 5 16 Other SNV 12 configuration options affect the SVMs that will retransmit voted audio Duplex Mode Simplex ...

Страница 153: ... by momentary TX steering until the sequence is ended when the Holdover Timer expires This allows the console operator to create a relatively private conversation with the radio users at the TX steered site usually the voted site A possible drawback is that other system users will be unaware that this private conversation is taking place and may attempt to access the voting system If a user causes...

Страница 154: ... 2 All SVM slots are TX eligible unless No SVM is present An SVM is configured as RX Only An SVM is part of an RX Group that group has a designated Primary Site or Sites and the SVM is not a Primary Site If the current Home Site loses its TX eligibility the Home Site status moves to the next highest numbered SVM that is TX eligible A site may be made temporarily unable to transmit if its PTT Inhib...

Страница 155: ...nsole transmissions revert to the Default TX Site selection One of the Holdover Timer options is infinite which basically disables the timer so that all console transmissions are sent to the last TX steering chosen site until a TX steering chooses a new site either by voting STARS or by manual TX steering The Holdover Timer feature does not function well if any modules use the Unsquelched Receiver...

Страница 156: ... high If the RS 232 TXSEL command is issued the specified site will remain TX steered until a subsequent RS 232 command removes this selection 5 17 4 Holdover Timer Examples STARS single site Start with no activity The TX SEL site is the Default TX Site A site gets voted TX SEL switches to the voted site When the vote ends the TX SEL stays with this voted site for the duration of the holdover time...

Страница 157: ...site stayed voted after the last time the Mom TX selection was invoked or a new site again not the Mom TX or Default TX site became voted and was voted long enough for it to become the new STARS site If the Mom TX holdover timer runs out last the TX SEL site designation simply returns to the Default TX site 5 18 Receiver Transmitter Groups The Voter can group multiple receivers around individual r...

Страница 158: ...This ensures that console transmissions will not be steered solely to a bad transmitter at the group primary site Since the SNV 12 has no means to determine when a transmitter has failed it can assume that if the receiver at the transmitter site has failed the transmitter is also down Any time this feature is selected a line fault at a group primary site locks out the entire group removing all mem...

Страница 159: ...te then eligible for voting the barely intelligible site 3 is momentarily voted A standard non STARS transmitter steering function would then route the dispatcher s message to the last voted site the distant site 3 STARS however will correctly exclude site 3 as having been voted for only a short period of time at the end of the overall transmission from the mobile operator and the dispatcher s rep...

Страница 160: ...not take effect during a transmission That is if the voter is transmitting via site 3 and manual TX steering commands select site 8 the unit will continue to transmit via site 3 until the current transmission is complete As soon as the voter unkeys the manual TX selection takes effect and the next transmission will be made via the manually selected site 8 if this site selection is still in effect ...

Страница 161: ...he console PTT is activated Another momentary selection is made either by MOM TX SEL IN or RS 232 MOM_TXSEL This switches transmitter selection to the newly selected site and resets the Holdover Timer A logic low is applied to TX SEL IN or the RS 232 TXSEL command is issued 5 19 3 4 RS 232 Momentary Transmit Select Unlike the TXSEL RS 232 command which must be rescinded to return keying to the Def...

Страница 162: ...oting sequence ends and the voter transmits the console audio Field Priority While any site is voted and the voted audio retransmitted console PTT is ignored This prevents the console operator from breaking in on an important message from a remote user for instance this may be used for a public safety system that has emergency units calling in It is not possible for voting audio to break into a co...

Страница 163: ... either be Unsquelch Out or TX SEL OUT When set for Unsquelch Out this output goes low if the associated SVM detects an unsquelched indication from the connected receiver When set for TX SEL OUT the output goes low whenever the associated site is transmit selected The function of pin 16 is determined by the position of SVM dipswitch SW2 5 NOTE The TX SEL OUT logic output at Term Block Pin 16 is no...

Страница 164: ...nitial operation will not change as STARS has no effect until a site is voted Assume that site 5 is voted STARS now steers all console transmissions to site 5 only until there is no communication from either the console or from site 5 for a continuous 10 seconds Therefore only site 5 will have a TX Select LED indication When the 10 seconds elapse the Holdover Timer has expired the system will reve...

Страница 165: ...uelched the VOTED LED will instead indicate the site picked by STARS This will usually be the same site as the last voted site The VOTED LED will stay lit until the Holdover Timer expires or a new site is voted and picked by STARS for TX steering The terminal strip Voted Out output of the STARS site will also be active during this time A dipswitch on the CPM 3 module enables this feature STARS TX ...

Страница 166: ...tivated either by the presence of a keying tone in the Console TX Input audio or by a logic low on the Console PTT Input Also when an SVM s TX Audio Out contains keying tones that SVM s Site PTT Out output will be in an active low state 5 20 2 Keying Tone Detection and Repeat Mode Control via EIA The SNV 12 will detect the EIA Keying Tone sequence in the Console TX Input This keying tone standard ...

Страница 167: ... groups cannot be used when this feature is enabled The table below shows the function tones that may be detected and which switches must be set on the individual SVMs to cause them to be put into transmit mode when that particular function tone is detected in the Console TX Audio Input There are no restrictions as to which SVMs or how many SVMs are set to any particular Function Tone Group Indica...

Страница 168: ...ering Also the individual SVM group switches must also be set to direct which SVMs are keyed by the different function tones see above If there is no SVM whose group switches correspond to the function tone detected in the CIM Console TX Audio input or that site is set as RX Only no SVM will be keyed There are no provisions to key the Default TX Site under this condition 5 20 4 Keying Tone Generat...

Страница 169: ...etion of a console transmission This guarantees the voter does not vote the squelch tail that follows that transmission When a console operator is letting the STARS algorithm select a site for transmission and sends several replies to the selected site the voting hold off ensures the voter does not vote the squelch tail of one of these replies which could cause the next console reply to be sent to...

Страница 170: ...hased from us see Table 3 1 or built per the cable drawings provided see Figure 3 4 and Figure 3 5 The expanded system is controlled by the CPM in the master unit so most of the switch settings in the expansion CPM and CIM modules do not affect system performance The exception is the Data Detect Lock switch setting CPM SW3 4 Data Detect Lock can be set individually in each chassis to allow some sy...

Страница 171: ...ed to the same part of the spectrum where the pilot tones reside Each SVM can be individually set to run its pilot tone notch filter only when a pilot tone is detected in its RX audio input Note Pilot tone notch filters are normally enabled only if an SVM is set to Pilot Tone COR and only at the specified pilot tone frequency When this feature is enabled the SVM does not run its DSP notch filter a...

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Страница 173: ...ositions 1 2 3 on the CPM module are used to set the baud rate Switch 1 position 4 is used to enable the voter s Remote Mode or it will ignore incoming commands See section 2 9 3 1 Connections are made via backplane connector P1 a female 9 pin D sub connector Standard DCE pin out is used See 2 8 and Table 3 4 for more details 6 3 Remote Command Set The following commands make up the SNV 12 Remote ...

Страница 174: ...ol commands In these examples the parameters delimited with are mandatory and those shown in braces are optional 6 3 1 Manual Site Selection SEL SITE ALL ON OFF This command will manually select force vote or de select a given site If a site is selected voting is stopped If the given site is out of range or previously disabled an error message is issued Site numbers range from 1 to 36 Sites may be...

Страница 175: ...he Console PTT input is activated The TXSEL command overrides all other console audio and PTT steering modes including STARS If any sites are selected by TXSEL then console audio will be transmitted from these sites and no others The site numbers range from 1 to 36 If a given site is not available an error message is returned Multiple TXSEL commands can be used to send console transmissions to mul...

Страница 176: ...evoked Likewise a TXSEL command via RS 232 or an active low input at any SVM s rear panel TX SEL input overrides the Momentary TX Selection Only one site at a time may be selected for transmit by this method If a new site is Momentary TX Selected before the previously selected site has dropped out because the Holdover Timer has expired the new site takes precedence Example MOM_TXSEL 5 SVM 5 is mom...

Страница 177: ... first followed by SW2 followed by SW3 followed by SW4 Example CFG 8B9A120F OK This indicates that the value of switch SW1 is 8B hexadecimal the value of SW2 is 9A the value of SW3 is 12 and the value of SW4 is 0F NOTE The values for SW1 SW2 and SW3 will be inverted Using the values in the example 8 7 6 5 4 3 2 1 SW1 OFF ON ON ON OFF ON OFF OFF SW2 OFF ON ON OFF OFF ON OFF ON SW3 ON ON ON OFF ON O...

Страница 178: ...ed by a space and then by the status bytes Each status byte is a 2 character hex representation of the following words Note the bits that are marked reserved for future use The use of these bits may change at any time in upcoming revisions of software so be sure to keep this in mind when doing any console program design FIRST STATUS BYTE bit 7 1 voted site 0 not voted site bit 6 1 unsquelched 0 sq...

Страница 179: ...ved for future use bit 4 bit 3 A 5 bit value representing the signal quality bit 2 measured for this site A higher number bit 1 corresponds to better signal quality bit 0 6 3 7 1 Status Byte Details Table 6 1 lists the various combinations of the first status byte The second status byte is the Signal Quality measurement ...

Страница 180: ...No 2C No No Yes No Yes Yes 30 No No Yes Yes No No 34 No No Yes Yes No Yes 38 No No Yes Yes Yes No 3C No No Yes Yes Yes Yes 40 No Yes No No No No 44 No Yes No No No Yes 48 No Yes No No Yes No 4C No Yes No No Yes Yes 50 No Yes No Yes No No 54 No Yes No Yes No Yes 58 No Yes No Yes Yes No 5C No Yes No Yes Yes Yes 60 No Yes Yes No No No 64 No Yes Yes No No Yes 68 No Yes Yes No Yes No 6C No Yes Yes No Y...

Страница 181: ...NV 12 to determine the status of Site 4 04 14 01 OK Status returned SVM 4 is not currently voted but is the site currently selected by STARS for TX steering STAT Command sent to the SNV 12 to get the status of the presently voted SVM 05 D0 07 OK Status returned SVM 5 is currently voted note that SVM 5 has not been chosen by STARS this is probably because the STARS feature is not enabled STAT Comma...

Страница 182: ... its first status byte either D0 or D4 6 3 8 Software Version Number VER This command takes no parameters and returns the version number of the SNV 12 CPM board software The software version number is in the form X YZ where X is the release number and Y and Z are major and minor revisions respectively Example VER Command sent to the SNV 12 2 00 OK Status returned from the SNV 12 The status reply a...

Страница 183: ...t reset Example UPTIME Command sent to the SNV 12 UP Time 0 days 0 hours 46 mins 15 secs Status returned 6 3 12 Return or Set Real Time Clock DATETIME This command with no arguments returns the current date and time from the CPM 3 real time clock DATETIME can also be used to set the real time clock from the serial command line The argument for setting the date and time includes the day month date ...

Страница 184: ... set by zero ohm jumpers on the PCB The CPLD Rev is the revision of the CPLD code This value is set by changing the value in the VHDL code for the CPLD Example CPLDVER Command sent to the SNV 12 Board Rev 1 Status returned CPLD Rev 2 Status returned 6 3 15 Return Time Statistics TIMESTATS The TIMESTATS command sends the time statistics table out the serial port in a comma separated values CSV form...

Страница 185: ...eived data to a file Example COUNTSTATS Command sent to the SNV 12 Returned CSV Data Status returned 6 3 17 Return System DIP Switch Configuration SYSCFG The SYSCFG command sends the DIP switch settings for all modules in the system out the serial port in a comma separated values CSV format This format can be imported into spreadsheet software such as Microsoft Excel The user must configure the te...

Страница 186: ...rent password B0wser to new password Sp0t OK Status returned The default password is lightfoot This is the password as shipped from the factory and also the password that is reset by Jumper J16 See Section 3 12 4 for instructions regarding the Reset to Factory Defaults operation The password must be less than 40 characters and does not require any specific combination of characters Any character t...

Страница 187: ... also be terminated before the timeout by sending the LOCATE OFF command Example LOCATE ON LEDs on the CPM 3 Front Panel start blinking LOCATE OFF LEDs on the CPM 3 Front Panel return to normal 6 3 20 Remote Control Command Error Reports The normal status for a correctly received command in remote mode is CR LF OK CR LF In cases where information is sent incorrectly or not received correctly the S...

Страница 188: ...OTE CPM 3 Software Version 1 04 and later enables SNV 12 system control via the Ethernet network port It is HIGHLY recommended that the default factory password be changed before connecting to a network See section 6 3 18 for details on the serial command used for changing the network password 6 5 Web Browser Interface The CPM 3 includes a web browser interface that can be used to monitor and conf...

Страница 189: ...m password The default password as shipped from the factory is lightfoot This is also the password that the unit is reset to if J16 is used to perform a full factory reset see section 3 12 4 for information on factory reset NOTE CPM 3 Software Version 1 04 and later enables SNV 12 system control via the Ethernet network port It is HIGHLY recommended that the default factory password be changed bef...

Страница 190: ...rameters will not be reported for the SVM 1 because SW5 is only applicable to the SVM 2 Figure 6 2 SVM Configuration Details Page 6 5 2 Network Configuration The Network Configuration Page below displays and allows the user to change the network parameters for the CPM 3 The network parameters include the IP address subnet mask and gateway as well as an optional descriptive name for the module The ...

Страница 191: ...te that currently the CPM 3 can monitor audio only from the chassis where it is installed The CPM 3 does not have access to audio buses going to or from expansion chassis The CPM 3 uses only the GSM vocoder to send audio information so there is no configuration option to change the vocoder The network configuration page is password protected Figure 6 3 Network Configuration Page ...

Страница 192: ...rovision the SNV 12 The user may TX select or unselect an SVM module for console transmissions This is equivalent to the TXSEL serial command described in section 6 3 3 The user may also RX select force vote an SVM This is the same function as the SEL serial command detailed in section 6 3 1 Finally the user can enable or disable an SVM as the ENABLE section 6 3 2 serial command does Global contro...

Страница 193: ...tton and those events will be logged To clear the event log check the Clear Event Log button and then click Submit Options In order to get a valid time stamp on the events the real time clock must be set Use the link on the Event Log page to set the RTC If the RTC backup battery is installed BT1 on the CPM 3 board the RTC time will be maintained across power downs If no RTC backup battery is insta...

Страница 194: ...ek since the last full time increment The Statistics counts page below is used to retrieve the counts The data from the table can be cut and pasted into a spreadsheet such as Microsoft Excel where it can be manipulated and saved in a different format The statistics counts page has a button to clear all statistics Note that this clears all the count and time statistics The information on this page ...

Страница 195: ... for the partial hour day and week since the last full time increment The Statistics Times page below is used to retrieve the counts The data from the table can be cut and pasted into a spreadsheet such as Microsoft Excel where it can be manipulated and saved in a different format The statistics counts page has a button to clear all statistics Note that this clears the count and time statistics Th...

Страница 196: ...SNV 12 Operations Manual 6 24 This page intentionally left blank ...

Страница 197: ...cts a carrier receives a signal it unsquelches and issues a COR signal to the PTG 10 When the PTG 10 receives a COR signal the tone is removed from the audio link and the receiver audio is passed through the link to the voter The pilot tone also functions as a line proving tone The removal of the pilot tone on the link notifies the voter to expect speech signals from the voting receiver If the vot...

Страница 198: ...mper selectable Tone Stability 2 Hz The following are referenced to 0dBm output Receiver Audio Input Range 20 to 20dBm variable Pilot Tone output Level 20 to 3dBm variable General Indicators LED Power On COR Active Size 6 84 X 2 42 X 1 19 Designed to mount to EIA 19 rack Weight 0 5 lbs Environmental Operating Temperature 20 C to 55 C Storage Temperature 40 C to 85 C Humidity Up to 95 55 C Shock MI...

Страница 199: ...nect a Windows PC to the CPM 3 Ethernet port using a crossover cable if connecting directly to the PC or with a standard cable when connecting into a switch or hub Use the Netburner Auto Update utility on the PC to program the new CPM 3 application image S19 file provided by us into the flash on the board Enter the IP Address of the CPM 3 and the filename of the firmware update file in the appropr...

Страница 200: ... CIM2A 1 05 SVM 2 26 SVM2 1 12 Corrected a bug where the default IP address was not set correctly when J16 was set to return CPM 3 to factory default configuration Periodically refreshes SVM 2 configuration parameters to provide tolerance and error recovery for apparent serial communications corruption in high RF noise environments observed in the field 8 2 3 Version 1 02 27 August 2007 CIM 1 54 C...

Страница 201: ...o add a feature to eliminate noise burst at the end of receive from the field when using pilot tone COR Assigned CPM 3 DIP Switch 1 6 to enable this feature globally for the voter system Added additional control functionality to web interface A user can now manual select RX or unselect a module TX select or unselect a module and enable or disable a module from the web interface Enhanced the look o...

Страница 202: ......

Страница 203: ...5 Console 3 39 Console Audio Delay Setting 3 32 Console Audio Input Voted Output Adjustments CIM 4 3 Console Audio Transmission Select 6 3 Console Interface Connections P2 3 22 Console Interface Connections TB13 3 23 Console Interface Module 1 2 4 3 Console Priority 5 20 Console Transmissions 5 16 Control and Connector Locations 3 5 Control Processor Module 1 2 4 4 4 5 COR 10 COR Lock 5 5 COR Onse...

Страница 204: ... 5 24 Keying Tone Generation 5 26 L LED 10 Line Equalization 3 72 Line Fault Pilot Tone COR Fault Detection 5 8 Line Fault Timer Delay Selection 3 52 Lost Password 6 14 M Manual Site Selection 6 2 Manual Transmit Steering 5 18 Manual TX Selection 4 11 Manufacturing Test Selection 3 49 3 50 3 78 3 79 Master Exp 1 Exp 2 Control LEDs CPM 1 4 5 Mechanical Installation 3 2 Microwave Links 3 13 Module C...

Страница 205: ...te Control RS 232 4 10 Serial Remote Control Selection 3 48 3 49 Shock 1 5 Signal Quality Voting Criteria 3 51 Simplex Mode 5 27 Simplex Mode Voting Hold off After Console Transmission 3 37 Simplex Repeat When Voted 3 70 Site Enable 6 3 Site Status 6 6 Site Unsquelch Time Limiter 3 36 Site Voter SVM Module 4 6 Site Voter Module 1 2 Site Voter Module Connections 3 18 Site Voter Module Switch Assign...

Страница 206: ... V VER 6 2 6 10 Vibration 1 5 Volume Control CIM 4 3 Voted LED SVM 4 8 Voted Site Talkthrough 11 Voter Operation 4 9 Voting Controls 4 10 Voting Delay Setting 3 57 3 58 Voting Lock 5 5 Voting Lock on COR 3 54 Voting Lock on Data Selection 3 54 Voting Lock 10 11 Voting Threshold 1 4 Voting Transition Timer 5 2 W Web Browser Interface Event Log 6 21 Information Page 6 16 Network Configuration 6 18 S...

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