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NEC PASOLINK, Учебный курс

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GENERAL

ROI-S02775

1-6

1.2 Equipment Performance

The performance characteristics of the IDU are listed in Table 1-1.

Table 1-1  Performance Characteristics of IDU

Data signal interface (between IDU and DTE)

Bit rate:

• 2.048 Mbps ±50 ppm (2 MB 

x

 2/2 MB 

x

 4/2 MB 

x

8/2 MB 

x

 16 system)

• 8.448 Mbps ±30 ppm (8 MB 

x

 1 system) 

• 34.368 Mbps ±20 ppm (34 MB 

x

 1 system) 

Level:

Meets specifications of ITU-T G.703

Code format:

High density bipolar-3 (HDB-3)

Impedance:

75 ohms, unbalanced or
120 ohms, balanced

Modulation method:

4-phase shift keying (4 PSK) system

Demodulation method:

Quasi-coherent detection

IF signal interface (between IDU and ODU)

Signal frequency

TX:

850 MHz

RX:

70 MHz

Signal level

IF output:

−

5 dBm, nominal

IF input:

−15

 to 0 dBm (at , RX IN), varies with cable length 

(maximum cable length (8D-FB): l=300 m)

Impedance:

50 ohms, unbalanced

Insertion loss:

15 dB at 70 MHz (l=300 m)
45 dB at 850 MHz (l=300 m)

Orderwire frequency

Output:

468 kHz, amplitude modulation (AM)

Input:

450 kHz, AM

Power supply:

−

43 V DC (through) at IF IN/OUT

Control/Monitor signal frequency:

10 MHz, amplitude shift keying (ASK) (at IF IN/OUT)

Содержание PASOLINK

Страница 1: ...DIGITAL MICROWAVE RADIO SYSTEM PASOLINK Training Course ...

Страница 2: ...ovides information on the NEC PASOLINK 7 38 GHz 2 4 8 16 x 2 MB and or 2 x 10 100Base T X LAN signals transmission digital microwave radio system Included herein are system configuration system performance RF channel assignment and alarm and control ...

Страница 3: ...ndoor Unit IDU see Fig 2 2 and Fig 2 3 The GHz 2 4 8 16 x 2 MB MB digital radio system is used to communicate from 2 to 16 data streams at 2 048 Mbps and or up to 2 channels 10BASE T 100BASE TX LAN signals between two stations The system block diagrams of 2 4 8 16 x 2 MB systems are shown in Fig 2 4 and Fig 2 5 Fig 2 1 Outline of ODU FOR 7 38 GHz BAND ODU FG IFL MON RX LEV ...

Страница 4: ...M CALL RESET MAINT IDU ODU SELV PWR FUSE 7 5A EOW PASOLINK TRAFFIC IN OUT CH1 to CH8 ALM AUX ALM OW DSC ASC LA PORT NMS RA TRAFFIC IN OUT CH9 to CH16 NMS LAN WS SC LAN CALL RESET MAINT IDU ODU SELV PWR FUSE 7 5A EOW PASOLINK TRAFFIC IN OUT CH1 to CH4 ALM AUX ALM OW DSC ASC LA PORT NMS RA NMS LAN SC LAN CALL RESET MAINT IDU ODU SELV PWR FUSE 7 5A EOW PASOLINK a 4 2MB Fix Rate Composition b 4 2MB Fi...

Страница 5: ...POWER BEFORE DISCONNECTING IF CABLE IN OUT IF WARNING 43V OUTPUT TURNOFFPOWER BEFOREDISCONNECTING IF CABLE IN OUT LA PORT LA PORT TRAFFIC IN OUT CH1 to CH8 ALM OW DSC ASC LA PORT NMS RA CALL OPR AUX ALM FUSE 7 5A FUSE 7 5A EOW NMS LAN SC LAN RX RX TX TX OPR ALM SEL No 1 No 2 1 2 PASOLINK RESET RESET IDU ODU PWR PASOLINK MAINT SELV TRAFFIC IN OUT CH9 to CH16 IF W ARNING 43VOUTPUT TURNOFF POWER BEFO...

Страница 6: ... dBm measured at antenna port BER 10 3 4 MB 93 5 93 5 93 5 92 5 91 5 91 0 90 5 2 5 dB 8 MB 90 5 90 5 90 5 89 5 88 5 88 0 87 5 2 5 dB 17 MB 87 5 87 5 87 5 86 5 85 5 85 0 84 5 2 5 dB 34 MB 84 5 84 5 84 5 83 5 82 5 82 0 81 5 2 5 dB BER 10 6 4 MB 90 0 90 0 90 0 89 0 88 0 87 5 87 0 2 5 dB 8 MB 87 0 87 0 87 0 86 0 85 0 84 5 84 0 2 5 dB 17 MB 84 0 84 0 84 0 83 0 82 0 81 5 81 0 2 5 dB 34 MB 81 0 81 0 81 0...

Страница 7: ...ompatibility EMC ODU IDU ETS300385 Class B Power requirement 20 to 60 20 to 60 V DC Power consumption 4 MB system 8 MB system 17 MB system 34 MB system Approx 50 watts without optional module Approx 60 watts equipped with optional module Approx 50 watts without optional module Approx 60 watts equipped with optional module Approx 52 watts without optional module Approx 62 watts equipped with option...

Страница 8: ...e 75 ohms unbalanced or 120 ohms balanced Modulation method 4 phase shift keying 4 PSK system Demodulation method Quasi coherent detection IF signal interface between IDU and ODU Signal frequency TX 850 MHz RX 70 MHz Signal level IF output 5 dBm nominal IF input 15 to 0 dBm at RX IN varies with cable length maximum cable length 8D FB l 300 m Impedance 50 ohms unbalanced Insertion loss 15 dB at 70 ...

Страница 9: ...s 2 MBx 2 2 MB x 4 2 MB x 8 2 MB x 16 for 120 ohms interface 8 MB x 1 34 MB x 1 fixed bit rate system 2 MB x 2 4 8 bit rate free system 2 MB x 2 4 8 16 bit rate free system for 120 ohms interface 482 wide 44 high 240 deep mm 2 ΜΒ x 16 fixed bit rate for 75 ohms nterface system 2 MB x 2 4 8 16 bit rate free system for 75 ohms interface 482 wide 66 high 240 deep mm Weight 2 MBx 2 2 ΜΒ 4 2 ΜΒ 8 2 ΜΒ ...

Страница 10: ...z 17 MB 13 75 MHz also for 18 GHz 28 MHz 34 MB 27 5 MHz also for 18 GHz RF TX RX Spacing MHz 154 161 126 266 266 315 420 490 728 340 1008 1010 1560 1008 1200 1232 1008 1260 Output Power at Antenna Port dBm 27 25 23 23 23 20 15 1 5 dB ATT 0 Power Control 0 to 30 dB in 1 dB steps variable 1 0 dB Frequency Stability 5 ppm 10 ppm Receiver Noise Figure 4 5 dB 4 5 dB 4 5 dB 4 5 dB 5 5 dB 6 5 dB 7 0 dB 7...

Страница 11: ...at IF IN OUT Impedance 50 ohms unbalanced Type of RF IN OUT Portion 1 N Female PBR 140 PBR 220 PBR 260 PBR 320 Dimensions 236 wide 236 high 113 deep mm Weight Approx 4 5 kg Approx 4 kg Environmental temperature range Operation 33 C to 50 C Storage 40 C to 70 C Table 1 2 Performance Characteristics Cont d ITEM 7 GHz 8 GHz 13 GHz 15 GHz 18 GHz 23 GHz 26 GHz 38 GHz GUARANTEED ...

Страница 12: ...s follows 7 GHz band 7 125 to 7 725 GHz 8 GHz band 7 900 to 8 500 GHz 13 GHz band 12 75 to 13 25 GHz 15 GHz band 14 5 to 15 35 GHz 18 GHz band 17 7 to 19 7 GHz 23 GHz band 21 2 to 23 6 GHz 26 GHz band 24 5 to 26 5 GHz 38 GHz band 37 0 to 39 5 GHz For details refer to Appendix Frequency Allocation Table in TRP equipment ODU description Section II ...

Страница 13: ...DU Alarm signals initiated by detection circuits on the ODU are sent to the IDU Therefore the alarm indicator for the ODU is located on the front panel of the IDU The alarm indication for the IDU is also indicated by the corresponding alarm indicator on the IDU When the equipment is operating normally the alarm indicators on the IDU stay unlit When an abnormal condition occurs the related alarm in...

Страница 14: ...on is lost at the MOD circuit MOD ALM TX ALM DEM Carrier synchronization is lost DEM ALM RX ALM RX ALM IF input signal is lost DEM ALM RX ALM RX ALM DPU Frame synchronization is lost at the DPU RX F SYNC ALM RX ALM RX ALM BER is worse than preset value 1 x 10 3 HIGH BER ALM RX ALM RX ALM BER ALM BER is worse than preset value 1 x 10 6 LOW BER ALM RX ALM RX ALM BER ALM BER is worse than preset valu...

Страница 15: ...ing two types for each 1 0 and 1 1 systems Fixed bit rate type for 4 2MB and optional 2 10 100 BASET X Free bit rate type for 2 4 8 16 2MB and optional 2 10 100 BASE T X 2 Equipment Composition A 1 0 IDU Idu Description and Operation IDU Description and Operation ...

Страница 16: ......

Страница 17: ...B 1 1 IDU ...

Страница 18: ......

Страница 19: ...vice channel signal transmission 9 6k digital service channel transmission alarm signal transmission wayside signal transmission 64k digital service channel transmission LAN signal transmission and alarm and control in that order for the IDU The IDU provides four signal transmission systems 2 x 2 MB 4 x 2 MB 8 x 2 MB and 16 x 2 MB in 1 0 and 1 1 configuration as shown in Fig 2 1 and Fig 2 2 Functi...

Страница 20: ...K LOSS RX CLK LOSS S P CONV CLK MON CLK MON OUTPUT LOSS 1 2 OUTPUT LOSS 3 4 AIS RCVD 3 4 INPUT LOSS 3 4 FE LB CTRL 1 4 FE LB ANS 1 4 NE LB ANS 1 4 AIS RCVD 1 2 INPUT LOSS 1 2 SERIAL ALM SERIAL DATA P S CONV S P CONV FE LB CTRL 1 4 NE LB CTRL 1 4 a b t s q v u j i r c d k l e f m n o p g h CH5 IN CH6 IN CH5 OUT CH6 OUT CH7 IN CH8 IN CH7 OUT CH8 OUT CH9 IN CH10 IN CH9 OUT CH10 OUT CH11 IN CH12 IN CH...

Страница 21: ...CW L BER ALM H BER ALM F SYNC ALM BER ALM BER THRESHOLD FRAME ID q s SERIAL ALM F SYNC ALM r SERIAL DATA Ethernet SW SPEED CONV LAN INTFC PORT1 PORT2 v RX FPLS t u 16M CLK RX CLK i j k l m n o p S P CONV DEMUX TIM GEN DSCRB BER DET F SYNC DIF DEC IN OUT OUT IN DSC 64K A D CONV LEV CONV B U CONV U B CONV 64K SC LAN INTFC A D CONV 70 MHz DEM 4 PH DEM A D CONV From To FIG 2 1 1 3 From To FIG 2 1 3 3 ...

Страница 22: ...AIS CTRL 1 16 CPU ALM CPU RESET CPU LA PORT NMS RA RL4 RL1 RL2 RL3 MAINT ODU IDU INTERFACE TERMINAL NO COM NC NO COM NC NO COM NC NO COM NC MAINT TX ALM RX ALM BER ALM Notes 1 Optional 2 Four relay contacts are outputed from interface terminal ALM ALM AUX Plural alarms can be applied to a single relay The figure shows the default settings Refer to paragraph 3 4 for changing the settings 3 Refer to...

Страница 23: ...TPUT LOSS 1 2 OUTPUT LOSS 3 4 AIS RCVD 3 4 INPUT LOSS 3 4 FE LB CTRL 1 4 FE LB ANS 1 4 NE LB ANS 1 4 AIS RCVD 1 2 INPUT LOSS 1 2 SERIAL ALM SERIAL DATA P S CONV S P CONV FE LB CTRL 1 4 NE LB CTRL 1 4 a b t s q v u j i r c d k l e f m n o p g h CH5 IN CH6 IN CH5 OUT CH6 OUT CH7 IN CH8 IN CH7 OUT CH8 OUT CH9 IN CH10 IN CH9 OUT CH10 OUT CH11 IN CH12 IN CH11 OUT CH12 OUT CH13 IN CH14 IN CH13 OUT CH14 ...

Страница 24: ...CLK IF IN OUT From To FIG 2 2 3 4 No 2 MD UNIT SAME AS ABOVE 2 1 CLK MON RX SW H H H H H H H H h g f e d c b a x w H H SW RX SW ETHERNET SW SPEED CONV PORT2 PORT1 10 BASE T 100 BASE TX EOW IN OUT LAN INTFC p o n m l k j i u t v RX SW HL SW RX SW To RX SW RX SW CONT 6 From FIG 2 2 4 4 H ASC DSC ALM INTFC B U CONV DPU U B CONV DPU 64K SC LAN INTFC H IN OUT OW DSC ASC IN OUT DSC 64K RX CLK LOSS From ...

Страница 25: ...ODU IDU INPUT LOSS 1 16 AIS RCVD 1 4 TX IN CLK LOSS RX IN CLK LOSS OUTPUT LOSS 1 16 DEM ALM L BER ALM H BER ALM FE LB CTRL 1 16 MOD CW NE LB CTRL 1 16 AIS CTRL 1 16 MAINT S P CONV P S CONV RESET CPU FE LB CTRL PM CARD S P CONV P S CONV NE LB CTRL DEM ALM MOD ALM DPU SERIAL H E b G c TX 1 ALM RX 1 ALM To FIG 2 2 1 4 r SERIAL DATA LA PORT NMS RA MAIN BOARD 1 SERIAL MAIN BOARD 2 SERIAL d e f TX 2 ALM...

Страница 26: ... AIS CTRL S 1 4 APC 12 ALM IF INPUT 1 ALM INPUT LOSS 1 4 TX PWR 2 ALM APC 21 ALM MUX ALM 2 RX LEV 1 ALM OUTPUT LOSS 1 4 H BER 1 ALM FE LB CTRL 1 4 MOD 1 CW NE LB CTRL 1 4 AIS CTRL S 1 4 APC 22 ALM IF INPUT 1 ALM INPUT LOSS 1 4 RX SW CTRL LOGIC TX SW CTRL LOGIC From FIG 2 2 2 4 From To FIG 2 2 2 4 ALM CTRL COMMON TX ALM 1 TX OPR 1 TX OPR 2 TX ALM 2 AUX ALM OPR REL No 1 No 2 REMOTE CTRL IN TERMINAL ...

Страница 27: ... memory and read out with radio section clock having a time gap The data streams having a time gap are sent to a multiplexer MUX circuit here alarm information AIS RCVD loopback control answer alarm control signals and stuff information bits etc are inserted into the location of the time gap 2 1 3 Parallel to Serial Conversion The signal streams which are formatted in radio frame are fed to the DP...

Страница 28: ...s section describes the differential encoding 4 phase shift keying modulation and orderwire signal modulation 2 3 1 Differential Encoding In the 4 phase shift keying modulation system the demodulator phase may not coincide with the modulation signal of the opposite transmitting end which give raise to phase ambiguity To avoid this an absolute reference phase is needed between the transmitting and ...

Страница 29: ...50 MHz IF carriers for 4PH MOD an 850 MHz carrier is generated by the 850 MHz voltage controlled oscillator VCO and is split into two for the P and Q channels The 850 MHz carrier for the Q channel is phase shifted by π 2 from the P channel The MOD modulates each of the 850 MHz carriers with a related two level baseband signal and combines the modulated 850 MHz signals on the P and Q channels to ar...

Страница 30: ... Demodulation This section describes the EOW and alarm signal demodulation main signal demodulation and differential decoding 2 4 1 EOW and Alarm Signal Demodulation The received RX signal from the ODU contains a 70 MHz IF signal 468 kHz amplitude modulated EOW signal and 10 MHz ASK modulated alarm ALM signal The RX signal is branched into two separate signals One is sent to the DEM section throug...

Страница 31: ...scillator circuit generates a 38 383 MHz clock for the analog to digital converter A D CONV circuits In the A D CONV two 38 383 Mbps data streams are regenerated with 38 383 MHz clock Then the two re generated 38 383 data streams enter the differential decoding DIFF DECOD circuit 2 4 3 Differential Decoding The process of differential decoding is the reverse of the differential encoding at the tra...

Страница 32: ...rn multiframe pattern ASC and DSC signal bits etc from overhead bits with a clock produced at the TIM GEN 2 6 Receive Line Equalization This section describes the demultiplexing and unipolar to bipolar code conversion 2 6 1 Demultiplexing From received data streams the alarm information AIS RCVD loopback control answer and stuff information bits etc are extracted by the Demultiplexer DEMUX circuit...

Страница 33: ...to a 80 kbps approx digital signal at the PCM CODEC circuit by 10 kHz approx timing pulse and 80 kHz approx clock signal received from the MAIN BOARD The converted digital signal is fed to the MAIN BOARD 2 7 2 ASC Receive Side The 80 kbps approx digital signal received from the MAIN BOARD is applied to the PCM DECOD circuit This 80 kbps approx bps digital signal is converted into an analog signal ...

Страница 34: ...al ALM INTFC card two channels cluster alarm transmission provides for external internal alarm signal extension 2 10 Wayside Signal Transmission Optional The wayside WS signal transmission is performed in the WS INTFC section 2 10 1 WS Transmit Side The 2 048 Mbps bipolar signal applied through the WS IN terminal is fed to the bilopar unipolar converter B U CONV circuit where it is converted into ...

Страница 35: ... the frame synchronization The frame synchronized data signal is de stuffed and converted into 64 kbps data signal The resulting 64 kbps data signal is code converted into G 703 signal with an encoder circuit then converted again with the unipolar bipolar converter U B CONV circuit into a 64 kbps bipolar data signal which is transmitted to the output terminal 2 11 2 Service Channel Transmission of...

Страница 36: ... switch is output through the LAN PORT1 and or PORT2 terminals Note The switching of data between PORT1 and PORT2 is not available 2 13 Alarm and Control Functions Alarm and control functions of the IDU are described herein Fault detection circuits are provided in the IDU sending signals to give alarm indications and remote alarm reports see Fig 2 1 Fig 2 2 and Table 2 3 The alarm signals initiate...

Страница 37: ...Pins 16 and 17 CH2 data input Pins 18 and 19 CH1 data input Pins 20 and 21 CH8 data output Pins 22 and 23 CH7 data output Pins 25 and 26 CH6 data output Pins 27 and 28 CH5 data output Pins 29 and 30 CH4 data output Pins 31 and 32 CH3 data output Pins 34 and 35 CH2 data output Pins 36 and 37 CH1 data output Pins 5 10 15 24 and 33 Ground TRAFFIC IN OUT CH 9 to CH 16 D sub Connector 37 Pins 2 048 Mbp...

Страница 38: ...ut Pins 36 and 37 CH 9 data output Pins 5 10 15 24 and 33 Ground 10 100BASE T IN OUT Modular Connector RJ 45 8pins PORT1 PORT2 LAN signal input output optional MDI X MDI auto sensing MDI X MDI Pin 1 RD TD Pin 2 RD TD Pin 3 TD RD Pin 6 TD RD IF IN OUT N P Connector TX IF signal output to ODU and RX IF signal input from ODU Caution Do not connect other cables to this jack because the 43 V DC power i...

Страница 39: ...8 64 kHz clock input 1 Pins 9 and 10 DSC1 input RS 232C 64K G 703 1 or 64K V 11 1 Pins 11 and 12 DSC2 input RS 232C RS 422 or RS 485 Pins 14 and 15 Pins 14 and 15 2 ASC1 output VF optional or Alarm1 2 output optional Notes 1 2 Applies to the ALM INTFC module 2 Cluster Alarm 1 output relay contact Normal signal out Open Alarm signal out Closed Pins 16 and 17 Pins 16 and 17 2 ASC2 output VF optional...

Страница 40: ...d Open Pins 20 COM 21 NO and 22 NC BER alarm output when BER worse than 10 6 10 5 10 4 10 3 selectable 3 Between Between Pins 20 and 21 Pins 20 and 22 Normal state Open Closed Alarm state Closed Open Pins 23 COM 24 NO and 25 NC Maintenance alarm output 3 Between Between Pins 23 and 24 Pins 23 and 25 Normal state Open Closed Alarm state Closed Open Note 3 The BER threshold values and alarm items ar...

Страница 41: ... Not Used Note Input indicates the input of housekeeping alarm The figure means that same order of tens makes the same pair e g 11 12 forms a pair IDU side interface uses that of photo coupler the photo coupler turns ON if pair elements contact with each other Output indicates the output of housekeeping alarm Figure means the same as in the Input IDU side output uses the relay contact interface Pi...

Страница 42: ...Access PM CARD RA Pin 1 Party alarm management system RA TXD PAMS TXD Pin 2 EMS TXD TXD RA GND Pin 3 EMS RXD TXD RA RXD Pin 4 EMS TXDR RA RTS Pin 5 EMS TRS RXD RA CTS Pin 6 EMS CTS RXD Pin 7 Ground Pin 9 PAMS RXD Pin 10 NMS TXD TXD Pin 11 NMS RXD TXD Pin 12 NMS TXDR Pin 13 NMS RTS RXD Pin 14 NMS CTS RXD LA PORT D sub Connector 15 pin Control monitoring signal input output from to personal computer...

Страница 43: ... 1 and Pin 2 WS OUT Pin 4 and Pin 5 WS IN Pin 8 Frame Ground G For 75 ohms unbalanced interface Pin 1 and Pin 8 G WS OUT Pin 4 and Pin 8 G WS IN Note Available if WS INTFC is equipped Disable when SC LAN INTFC is equipped WS SC LAN RJ45 8 pins DSC data for LAN Pin 1 LAN DSC TX Pin 2 LAN DSC TX Pin 3 LAN DSC RX Pin 6 LAN DSC RX Note Available when SC LAN INTFC is equipped Disabled when ALM INTFC AS...

Страница 44: ... to 60 V DC power input Note The range of DC power input depends on system requirement Pin 1 0 V 4 or 48 V 5 Pin 2 48 V 4 or 0 V 5 Note 4 20 V to 60 V DC power input 5 20 V to 60 V DC power input FG Frame ground Table 3 1 Interface Terminals and Jacks in 1 0 system 8 8 Terminal Description ...

Страница 45: ...2 data input Pins 18 and 19 CH1 data input Pins 20 and 21 CH8 data output Pins 22 and 23 CH7 data output Pins 25 and 26 CH6 data output Pins 27 and 28 CH5 data output Pins 29 and 30 CH4 data output Pins 31 and 32 CH3 data output Pins 34 and 35 CH2 data output Pins 36 and 37 CH1 data output Pins 5 10 15 24 and 33 Ground TRAFFIC IN OUT CH 9 to CH 16 D sub Connector 37 Pins 2 048 Mbps HDB3 coded data...

Страница 46: ...37 CH 9 data output Pins 5 10 15 24 and 33 Ground 10 100BASE T IN OUT Modular Connector RJ 45 8pins PORT1 PORT2 LAN signal input output optional MDI X MDI auto sensing MDI X MDI Pin 1 RD TD Pin 2 RD TD Pin 3 TD RD Pin 6 TD RD IF IN OUT N P Connector TX IF signal output to ODU and RX IF signal input from ODU Caution Do not connect other cables to this jack because the 43 V DC power is superimposed ...

Страница 47: ...nput RS 232C 64K G 703 1 or 64K V 11 1 Pins 11 and 12 DSC2 input RS 232C RS 422 or RS 485 Pins 14 and 15 Pins 14 and 15 2 ASC1 output VF optional or Alarm1 2 output optional Notes 1 2 Applies to the ALM INTFC module 2 Cluster Alarm 1 output relay contact Normal signal out Open Alarm signal out Closed Pins 16 and 17 Pins 16 and 17 2 ASC2 output VF optional or Alarm2 2 output optional Notes 1 2 Appl...

Страница 48: ...en Closed Alarm state Closed Open Pins 10 COM 11 NO and 12 NC No 2 receiver alarm output 3 Between Between Pins 10 and 11 Pins 10 and 12 Normal state Open Closed Alarm state Closed Open Pins 14 Buzzer signal output Note The terminal is used as an input terminal of buzzer signal for the back to back station Pins 15 Buzzer signal input Note The terminal is used as an input terminal of buzzer signal ...

Страница 49: ...ection Open Closed No 2 CH selection Closed Open Note 3 The BER threshold values and alarm items are set in factory default To change the setting of alarm items by the PC refer to Section 3 4 1 Alarm Table of this Manual AUX ALM D sub Connector 25 Pins Transmission network surveillance auxiliary Note When an optional PM CARD module is mounted following input output terminals Pins 1 to 21 are used ...

Страница 50: ...in the Input IDU side output uses the relay interface Pins 22 and 23 Remote switching control signal input for release Pins 22 and 24 Remote switching control signal input for No 1 channel No 1 channel selection closed Pins 22 and 25 Remote switching control signal input for No 2 channel No 2 channel selection closed NMS RA D sub Connector 15 Pins Network management system NMS data input output or...

Страница 51: ...oring signal input output from to the personal computer for No 1 channel Pin 1 TXD Pin 3 RXD Pin 4 RTS Pin 5 CTS Pin 11 LOCAL CTS Pin 12 LOCAL RTS Pin 13 LOCAL RXD Pin 15 LOCAL TXD Pins 2 8 and 14 Ground LA PORT No 2 D sub Connector 15 pin Control monitoring signal input output from to the personal computer for No 2 channel Pin 1 TXD Pin 3 RXD Pin 4 RTS Pin 5 CTS Pin 11 LOCAL CTS Table 3 2 Interfa...

Страница 52: ...3 RXD Pin 4 RTS Pin 5 CTS Pin 11 LOCAL CTS Pin 12 LOCAL RTS Pin 13 LOCAL RXD Pin 15 LOCAL TXD Pins 2 8 and 14 Ground NMS LAN RJ45 8 pins Pasolink network management station PNMS data input output Pin 1 LAN PNMS TX Pin 2 LAN PNMS TX Pin 3 LAN PNMS RX Pin 6 LAN PNMS RX SC LAN RJ45 8 pins DSC data for LAN Pin 1 LAN DSC TX Pin 2 LAN DSC TX Pin 3 LAN DSC RX Pin 6 LAN DSC RX Table 3 2 Interface Terminal...

Страница 53: ...pins DSC data for LAN Pin 1 LAN DSC TX Pin 2 LAN DSC TX Pin 3 LAN DSC RX Pin 6 LAN DSC RX Note Available when SC LAN INTFC is equipped Disabled when ALM INTFC ASC INTFC or DSC INTFC 64K is used SELV LINE IN Molex M5557 4R Connector 4 Pins 20 V to 60 V DC or 20 V to 60 V DC power input Note The range of DC power input depends on system requirement Pin 1 0 V 4 or 48 V 5 Pin 2 48 V 4 or 0 V 5 Note 4 ...

Страница 54: ...ement selectable Bipolar output pulse of CH is lost at the INTFC section Carrier synchronization is lost at the DEM section High bit error rate High BER is worse than preset value 1x10 3 at the DPU section BER is worse than preset value at the DPU section 1x10 3 1x10 4 1x10 5 or 1x10 6 selectable Frame synchronization is lost at the DPU section VCO synchronization is lost at the MOD section Output...

Страница 55: ...peration CALL switch Transmits calling signal on engineering orderwire EOW Then buzzer in opposite station rings EOW jack Gives access to EOW signal immediately when headset is connected 100M indicator Lights when 100 Mbps is selected in data speed of LAN interface Goes out when 10 Mbps is selected in data speed of LAN interface LINK ACT indicator Lights when the IDU and associated equipment are l...

Страница 56: ... Used selectable at the No 1 channel IDU Communication between CPU of No 1 channel ODU and CPU on the IDU is lost TX ALM 2 indicator Only for 1 1 system Lights when Transmitter RF output power decreases 3 dB from normal at the No 2 channel ODU APC loop of the local oscillator unlocks or IF signal from the IDU is lost at the No 2 channel ODU Output data stream or master clock signal is lost at the ...

Страница 57: ...n CPU of No 1 channel ODU and CPU of the IDU is lost RX ALM 2 indicator Only for 1 1 system Lights when Receiver input level decreases lower than a preset value from squelch level at the No 2 channel ODU APC loop of the local oscillator unlocks at the No 2 channel ODU IF signal is lost at the No 2 channel DEM High BER is worse than preset value 1 10 3 at the No 2 channel DPU BER is worse than pres...

Страница 58: ...annel AUTO Automatic switchover control No 2 Manually select No 2 channel Caution Before the start of maintenance including operation of the OPR SEL SW on the front panel of the equipment select the equipment to maintenance mode using the LCT After all operation for maintenance have been completed perform MAINT OFF setting Fig 3 3 Controls Indicators and Test Jacks of the IDU RESET IDU ODU PWR PAS...

Страница 59: ...umbers are keyed to those in Table 1 1 Fig 1 2 Component Module Arrangement Table 1 1 Component Module Arrangement LOCATION NO MODULE APPLICATION 7 GHz H0738 8 GHz H0739 13 GHz H0330 15 GHz H0331 18 GHz H0332 23 GHz H0333 26 GHz H0334 38 GHz H0335 1 RF CKT H0722 H0723 H0360 H0361 H0362 H0363 H0364 H0365 2 IF CKT H0721 H0323 H0321 3 PS H0390 FG IFL MON RX LEV 1 3 A View A 2 IF CKT 1 RF CKT Odu Desc...

Страница 60: ...gnal enters a BPF which eliminates undesired components generated in the IF to RF conversion The filtered RF signal goes to the RF amplifier where it is amplified to the required level by an automatic level control ALC circuit The amplified RF signal is then fed to the antenna through the Duplexer The automatic transmitter power control ATPC function automatically varies the TX output power accord...

Страница 61: ... LEV MON T PWR MON T PWR CTRL TX IF LEV MON MAIN IF AMP AGC MIX 20 MHz AGC AMP IF IDU TO FROM 7 V RX LEV MON IF 850 MHz IF 70 MHz RF CKT RF IN OUT IF CKT Fig 2 1 Functional Block Diagram of the ODU 7 V MIX LO AMP RF AMP RF AMP TRX VCO PD 1 2 PD 1 2 EOW PS VCO 40 V 40 V TX IF LEV CTRL RX IF LEV CTRL CPU ...

Страница 62: ...t the CPU in the ODU and the EOW signal with the IF signal These signals are fed to the IDU from the MPX circuit 2 3 Alarm and Control Section Alarm and control functions of the ODU are described here Fault detection circuits are provided in the ODU The detected alarm signals are gathered into the CPU which processes the alarm signals to be sent to the IDU Here the TX PWR ALM signal is produced by...

Страница 63: ...X LEV Monitor Therefore connect the OW RX LEV Monitor to the RX LEV MON jack on the ODU Note 1 or 2 for channel No in 1 1 system Table 2 1 Alarm Indication and Reporting INITIATING MODULE ALARM CONDITION ALARM INITIATED RF CKT IF input signal from IDU lost IF INPUT ALM Transmit RF power decreases 3 dB from nominal TX PWR ALM APC loop of TX local oscillator or first local oscillator for RX unlocks ...

Страница 64: ...nt shut down 3 1 Interface Terminals and Jacks The equipment has interface terminals and jacks to connect with the associated equipment These interface terminals and jacks are located as shown in Fig 3 1 and are used as described in Table 3 1 Fig 3 1 Interface Terminal and Jack Locations 7 38 GHz Band ODU FG IF IN OUT FRONT VIEW FG IFL MON RX LEV 13 38 GHz Band ODU RF IN OUT REAR VIEW 7 8 GHz Band...

Страница 65: ...IF IN OUT N P Connector TX IF signal input and RX IF signal output Danger Do not disconnect the coaxial cable before turning off the power switch on the IDU RF IN OUT 7 8 GHz N Female 13 15 GHz PBR 140 18 23 GHz PBR 220 26 GHz PBR 260 38 GHz PBR 320 RF signal input output from to antenna ...

Страница 66: ...EOW signal between IDU and ODU when the EOW RX LEV Monitor and headset is connected The X0818A EOW RX LEV Monitor optional is used for operation and maintenance as shown in Fig 3 3 The operation range of the OW RX LEV Monitor is 0 C to 45 C and its functions are described as follows METER Indicates a DC voltage proportional to the receiving RF level OW indicator Lights when OW ON OFF switch is set...

Страница 67: ...X LEV OW IN jack Provide a DC voltage for RX LEV monitoring and OW signal from to the ODU HEADSET jack Permits communication between IDU and ODU when orderwire headset is connected Fig 3 3 Controls Indicators and Test Jacks of OW RX LEV Monitor VOL ON OW OFF 1 2 3 4 5 0 V PASOLINK ANTENNA POINTING MONITOR OW RX LEV OW IN HEADSET METER OW INDICATOR OW SWITCH VOL CONTROL RX LEV OW IN JACK HEADSET JA...

Страница 68: ...Pasolink Digital microwave radio system Installation guide ...

Страница 69: ... schedule And resources 2 The next page include a detailed list of the equipment and materials to be sorted for each site Packing list check During the packing list check we shall determine which case include which items materials Equipment and Materials Sorting Sorting means assignment of equipment and materials to each site Equipment and materials delivery to site The delivery to site should be ...

Страница 70: ...rface panel 7 One IDU 8 2M cables and connectors 9 The power and grounding cables 10 The installation materials Check the frequency plan and the link calculation for the antenna diameter Check if the ODU s low or high frequency according to the frequency plan For the antenna and the hybrid Prepare the required length of the IF cable Prepare four pieces of that connector Depending on how many cable...

Страница 71: ...vehicle to be used 9 Make sure you and your staff are in good conditions physically 10 Confirm the site station entrance conditions 11 Arrive to site station safely Notes 1 The installation tools per team include Description Quantity Tap rule 50 M 1 Square 150mm x 100 mm 1 Scriber 1 Level A type 450 mm 1 Tester 1 Wrench set A type 6 24 mm 2 Adjustable wrench 150 mm 2 Adjustable wrench 250 mm 2 Soc...

Страница 72: ...375 mm 2 Safety helmet 5 Safety belt 3 Oil can 1 2 The test equipment an tools include Description Quantity Digital multimeter 1 Lap top computer with the appropriate software 1 RS232 Cable 2 BER Test set for 2M channels 2 2M test chords 4 2M insertion termination tool 1 Jumpering cable wires for the 2M channels loopback N A Hand tools kit 1 Step ladder 1 Two adjustable wrench 150 mm 250 mm 2 Sold...

Страница 73: ...stallation work flow and installation guide for IDU installation ODU installation antenna ANT installation waveguide connection and cable connections The installation flow diagram is shown below Unpacking of IDU Unpacking of ODU Unpacking of Accessories IDU Mounting ODU Mounting Cable Termination Waveguide Connection Frame Grounding Cable Connections Waterproof Protection ...

Страница 74: ...ANT ANTENNA DIRECT MOUNTING TYPE MDP MB SERIAL No __________ DATE________ _______ WEIGHT 4kg WITH OPTION G2680 NEC Corporation MADE IN JAPAN NAME PLATE WARNING 43V OUTPUT TURN OFF POWER BEFORE DISCONNECTING IF CABLE 1 2 4 6 5 3 TX High Low Sub band A B C D CH____TX ___MHz RATE MB ...

Страница 75: ... Hold the IDU so that it does not drop and remove two screws each from both sides 2 Take out the IDU from the 19 inch rack STEP1 Align the IDU to the mount position on the 19 inch rack SCREW Flat washer Screw Flat washer Step2 Fix each side of the IDU to the rack with the two screws M5 Step3 To mount the IDU in a 19 inch rack allow space more than 200mm to the rear section and space for one unit t...

Страница 76: ...racket According to which case you have you will follow the assempling procedure included with each antenna And you will know how to fix that ODU Note In case two you have to install an additional RF cable between the ODU and the Antenna The tools required Wrench Monkey wrench or Torque wrench and suitable screwdriver ODU Demounting if necessary 1 Remove the four fixed bolts from the ODU 2 Then de...

Страница 77: ...NEC PASOLINK installation procedure January 2002 Frame Grounding In mounting the IDU and odu perform frame groungding Location of frame grounding in each of IDU and ODU is shown below ...

Страница 78: ...rence BNC connector D sub connector N P connector Molex M5557 4R connector Note Use ISO standardized screw mm unit for D SUB connector The necessary tools and materials are summarized as follow Tools and Material List 1 Soldering Iron 2 Knife 3 Measure 4 Wire Stripper 5 Adjustable Wrench 6 Hand Crimping Tool CL250 0012 2 CL250 0013 5 For D Sub connector 57026 5000 57027 5000 For Molex connector 7 ...

Страница 79: ...NEC PASOLINK installation procedure January 2002 Terminating Coaxial Baseband Signal Cable with BNC Connector ...

Страница 80: ...NEC PASOLINK installation procedure January 2002 Terminating Coaxial IF Signal Cables with N P Connector ...

Страница 81: ...NEC PASOLINK installation procedure January 2002 ...

Страница 82: ...NEC PASOLINK installation procedure January 2002 Terminating Power Supply Cables with Molex Connector ...

Страница 83: ... PASOLINK installation procedure January 2002 WIRE STRIP LENGTH Hand Crimping Outside diameter set Tool type of cable position 57026 5000 Φ1 5 to 1 8 1 Φ1 8 to 2 2 2 57027 5000 Φ2 3 to 2 6 1 Φ2 6 to 3 1 2 ...

Страница 84: ...connector guide ridge and turn the connector cap clockwise fully until it is locked firmly b Connect IF signal cable Connect the connector and tighten it by turning the tightening ring clockwise c Connect supervisory cable s Take care to connect the D sub connector the right way round and fix it with two screws M3 d Connect power supply cable Take care to catch the Molex connector the right way ro...

Страница 85: ... signal output Danger Do not disconnect the coaxial cable before turning off the power switch on the IDU RF signal input output from to antenna Waterproof Protection After cable connection the following part shall be wrapped by self bonding tape for waterproof see Following Fig This part shall be wrapped by self b onding tape for waterproof IFL Connector ODU Self bonding tape IF CABLE ODU Note the...

Страница 86: ...EL No 1 No 2 switch on the IDU to neutral position or No 1 or No 2 to be powered up side When either No 1 or No 2 channel is working set the OPR SEL No 1 No 2 switch on the IDU to the working channel side then turn on the power switch of the not working channel 3 Allow equipment to warm up for at least 30 minutes Fig 3 5 Front View of the IDU for Powering Up RESET IDU ODU PWR PASOLINK MAINT SELV L...

Страница 87: ...ct a Personal Computer to the IDU with an RS 232C cable The specifications of the required communication port condition of the personal computer are listed below Baud rate 9600 Data Length 8 Parity Check None Stop bit 2 Flow control None Emulation VT100 Video Terminal Transmission MS Hyper Terminal Send line ends with line feeds Yes Local echo No Receiving CR No Return on the right edge Yes Force ...

Страница 88: ...login is not possible check if settings of the communication format are proper Caution Do not turn on the power of the IDU leaving cable connection between the PC and RA PORT of the IDU Step Procedure 1 Connect the personal computer PC to the LA PORT or NMS RA terminal of the IDU using an RS 232C cable as shown in Fig 3 7 IDU SIDE LA PORT NMS RA CONNECTOR SIGNAL NAME PIN No 2 5 4 3 1 GND CTS RTS R...

Страница 89: ... to 9 are used for selection of the menu or entering values Enter key is used for confirmation of entering values Esc key is used for cancellation of entering values and display the higher rank menu 2 Turn on the power on the PC Then operate the communication software e g MS Hyper Terminal 3 Press the CTRL and D keys at the same time PERSONAL COMPUTER IDU RS 232C CABLE BLACK CALL RESET MAINT IDU O...

Страница 90: ...the 1 key and Enter key 6 Enter the new password from the keyboard and press the Enter key Note For password 0 to 9 A to Z and a to z are available 31 letters maximum 7 To confirm the password re enter the password from the keyboard and press the Enter key 8 Following menu item is displayed Password Password Change password no 0 yes 1 Password Change password no 0 yes 1 1 New password Password Cha...

Страница 91: ...for each No 1 and No 2 as No 1 ch No 2 ch 4 In item No 5 shows in MTPC system TX power ctrl ATPC excepting Twin path TX power ctrl No 1 ATPC No 2 ATPC is indicator in ATPC system 5 In item No 6 following significant symbol letters are used to display the status for each channel signifies E1 channel which is inhibited by the hardware restriction or LAN signal transmission Setting 1 Bit rate 4 2MB 2...

Страница 92: ...ss the Esc key 12 Press the 3 key and Enter key then following item is displayed Note When AIS SEND status is selected AIS SEND is not indicated under the AIS state When AIS SEND alarm is selected AIS SEND is indicated under the AIS state 13 Press either 0 or 1 key and Enter key for setting if not press the Esc key 14 Press the 6 key and Enter key then following item is displayed 2 AIS RCVD alarm ...

Страница 93: ...nter key for setting if not press the Esc key 17 Press the 6 key and Enter key repeat step 14 to step 16 for each channel setting 18 If not press the 7 key and Enter key then following item is displayed Notes 10 3 signifies 3 x 10 3 Default value is a 10 4 19 Press the any 0 to 3 key and Enter key for setting if not press the Esc key 7 BER alarm threshold 10 4 BER alarm threshold 10 3 0 10 4 1 10 ...

Страница 94: ...y and Enter key then following item is displayed Note When the WS INTFC optional module is provided in the 16 x 2MB system WS alarm INH is set to used 23 Press either 0 or 1 key and the Enter key for setting if not press the Esc key 24 Enter 10 and Enter key then following item is displayed 25 Press the either 0 or 1 key and Enter key for setting if not press the Esc key Note 232 RS 232C provides ...

Страница 95: ... is provided 485 NON TERM RS 485 Non Terminating is applicable when optional ASC INTFC is provided 28 Enter 12 and press the Enter key then following item is displayed 29 Press the 0 or 1 key and Enter key for setting if not press the Esc key 30 Enter 13 and press the Enter key then following item is displayed Note The following display is for initial values When the resetting of item is required ...

Страница 96: ...2 1 INPUT LOSS 2 AIS RCVD 3 AIS SEND 4 OUTPUT LOSS 5 LAN INTFC ALM 6 WS INPUT LOSS 7 WS AIS RCVD 8 WS AIS SEND 9 WS OUTPUT LOSS 10 TX CLK LOSS 11 FSYNC ALM 12 HIGH BER ALM 13 LOW BER ALM 14 BER ALM Form C1 OUT OUT OUT Form C2 OUT OUT OUT OUT OUT Form C3 OUT OUT Form C4 Press any key to continue 13 Alarm table 2 2 15 MOD ALM 16 DEM ALM 17 OPR ALM 18 TX PWR ALM 19 RX LEV ALM 20 APC1 ALM 21 APC2 ALM ...

Страница 97: ... OUTPUT LOSS 5 LAN INTFC ALM 6 WS INPUT LOSS 7 WS AIS RCVD 8 WS AIS SEND 9 WS OUTPUT LOSS 10 TX CLK LOSS 1 11 TX CLK LOSS 2 12 RX CLK LOSS 1 13 RX CLK LOSS 2 C1 OUT OUT OUT C2 OUT OUT OUT C3 OUT OUT OUT OUT C4 OUT OUT OUT OUT C5 C6 Press any key to continue 12 Alarm table 2 3 14 FSYNC ALM 1 15 FSYNC ALM 2 16 HIGH BER ALM 1 17 HIGH BER ALM 2 18 LOW BER ALM 1 19 LOW BER ALM 2 20 BER ALM 1 21 BER ALM...

Страница 98: ...ssued when the equipment had been set to maintenance mode can be disabled 5 Selecting item No changes depending on the mounted modules 32 Enter item No and press the Enter key for setting if not press the 0 key and Enter key to go back to the Setting menu 12 Alarm table 3 3 28 TX PWR ALM 1 29 TX PWR ALM 2 30 RX LEV ALM 1 31 RX LEV ALM 2 32 APC1 ALM 1 33 APC1 ALM 2 34 APC2 ALM 1 35 APC2 ALM 2 36 IF...

Страница 99: ...er key is pressed in previous step 34 following confirmation is displayed For 1 0 System For 1 1 System Select item No 1 23 0 no change 1 1 INPUT LOSS Form C1 OUT Form C2 Form C3 Form C4 Select Form C No 1 4 Select item No 1 43 0 no change 1 1 INPUT LOSS C1 OUT C2 OUT C3 C4 C5 C6 Select Form C No 1 6 Select Form C No 1 4 1 1 INPUT LOSS Form C1 OUT Form C2 Form C3 Form C4 Form C1 output no 0 yes 1 ...

Страница 100: ...ystem For 1 1 System 39 Press the 2 key and Enter key Repeat steps 31 to 38 for items of 2 to 23 or 2 to 44 for 1 1 in step 30 for alarm setting if not press the 0 key and Enter key for cancel 40 Press the Esc key to go back to Setting menu Form C1 output no 0 yes 1 0 1 INPUT LOSS Form C1 Form C2 Form C3 Form C4 Other Form C select no 0 Form C No 1 4 Form C1 output no 0 yes 1 0 1 INPUT LOSS C1 C2 ...

Страница 101: ...e PC Then operate the communication software e g MS Hyper Terminal 3 Press the CTRL and D keys at the same time 4 Enter the specified password from the keyboard and press the Enter key 5 Press the 0 key and Enter key 6 Following menu items are displayed 7 Press the 3 key and Enter key then following menu is displayed For 1 0 System Password Password Change password no 0 yes 1 1 Setting 2 Maintenan...

Страница 102: ...port and Main channel usage is set to used 5 WS CHANNEL USAGE ERROR is not displayed when Channel usage error report is selected to not report Monitoring 1 Monitoring voltage 2 Alarm Status 3 Inventory 00 Menu 99 Exit Select item No 3 Monitoring of alarm status 1 2 IDU INPUT LOSS 1 16 alarm CHANNEL USAGE ERROR 1 16 alarm AIS RCVD 1 16 alarm AIS SEND 1 16 alarm OUTPUT LOSS 1 16 alarm LAN INTFC ALM ...

Страница 103: ...MUTE off TX RX FREQ CH 5ch Press any key to continue 2 Monitoring of alarm status 1 2 IDU INPUT LOSS 1 16 alarm CHANNEL USAGE ERROR 1 16 alarm AIS RCVD 1 16 alarm AIS SEND 1 16 alarm OUTPUT LOSS 1 16 alarm LAN INTFC ALM alarm WS INPUT LOSS alarm WS CHANNEL USAGE ERROR alarm WS AIS RCVD alarm WS AIS SEND alarm WS OUTPUT LOSS alarm TX CLK LOSS No 1 No 2 alarm RX CLK LOSS No 1 No 2 alarm FSYNC ALM No...

Страница 104: ...icates normal condition 3 0 ch indication shows setting channel number 4 Monitoring of alarm status displayed on the LCT depend on system configuration 5 The LCT display shows Hot standby system In Twin path system it is displayed as follows TX RX FREQ CH No 1 0 ch TX RX FREQ CH No 2 0 ch 9 Press the Esc key to go back to the Monitoring menu 2 Monitoring of alarm status 2 2 MOD ALM No 1 No 2 alarm...

Страница 105: ...ing voltage 2 Monitoring voltage continuance mode 3 Alarm Status 4 Inventory 00 Menu 99 Exit Select item No Monitoring 1 Monitoring voltage 2 Alarm Status 3 Inventory 00 Menu 99 Exit Select item No 4 Inventory 1 2 IDU Serial number 123456 Manufactured date MAY 2003 Software version ROM RAM 1 20 2 22 Bit rate 16 x 2MB Option module PM CARD LAN INTFC WS INTFC 64K INTFC G 703 64K INTFC V11 ASC INTFC ...

Страница 106: ... 1 4 IDU SW UNIT Serial number 123456 Manufactured date OCT 2002 Software version ROM RAM 1 20 2 14 Bit rate 2 4 8 16 x 2MB Option panel PM CARD LAN INTFC WS INTFC 64k INTFC G 703 64k INTFC V 11 ASC INTFC DSC INTFC ALM INTFC SC LAN CARD Press any key to continue 3 Inventory 2 4 IDU No 1 MD UNIT Serial number 123456 Manufactured date SEP 2002 Software version ROM RAM 1 20 2 22 No 2 MD UNIT Serial n...

Страница 107: ...2 1 Bit rate 17 34MB RF band 23GHz High Sub band A Shift freq 1200MHz CH separation 2 50MHz Press any key to continue 3 Inventory 4 4 ODU No 2 ODU Manufactured date SEP 2002 Software version ROM 2 1 Bit rate 17 34MB RF band 23GHz High Sub band A Shift freq 1200MHz CH separation 2 50MHz Press any key Monitoring 1 Monitoring voltage 2 Monitoring voltage continuance mode 3 Alarm Status 4 Inventory 00...

Страница 108: ...PORT of the IDU using an RS 232C cable as shown in Fig 3 7 2 Turn on the power on the PC Then operate the communication software e g MS Hyper Terminal 3 Press the CTRL and D keys at the same time 4 Enter the specified password from the keyboard and press the Enter key 5 Press the 0 key and Enter key 6 Following menu items are displayed Password Password Change password no 0 yes 1 1 Setting 2 Maint...

Страница 109: ... normal For 1 0 System For 1 1 System Monitoring 1 Monitoring voltage 2 Monitoring voltage Continuance mode 3 Alarm Status 4 Inventory 00 Menu 99 Exit Select item No Monitoring 1 Monitoring voltage 2 Alarm Status 3 Inventory 00 Menu 99 Exit Select item No 1 Monitoring voltage Transmitter power 4 33V 1 dB Receiving level 3 55V 32 dBm 1 Monitoring voltage Transmitter power 1 4 33V 1 dB Receiving lev...

Страница 110: ...6583 G6584 G6585 G6586 H0738 H0739 Monitoring 1 Monitoring voltage 2 Monitoring voltage Continuance mode 3 Alarm Status 4 Inventory 00 Menu 99 Exit Select item No Monitoring 1 Monitoring voltage 2 Alarm Status 3 Inventory 00 Menu 99 Exit Select item No Table 3 4 Meter Reading of IDU and ODU CHECK ITEM ALLOWABLE RANGE Transmitter power Depends on transmitter power 0 to 4 6 V DC Bit rate free type O...

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