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Lanex MD-76, Operating Manual

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Lanex MD-76 Operating Manual Download Page 44

E1/G.703 F

IBER 

O

PTIC 

M

ODEM

 

O

PERATING 

M

ANUAL

 

IOA76-1F 

38  

May 2009 

6.3.2 Alarm 

thresholds 

The window shown below allows you to set an alarm switch-on and switch-off threshold. 

The window will open if you select the "Threshold set-up" option from the Menu. 
 

 

Figure 29. 

 G.826 statistics, Alarm thresholds 

Summary of Contents for MD-76

Page 1: ...ramiczna Street 20 150 Lublin POLAND tel 48 81 444 10 11 tel fax 48 81 740 35 70 IOA76 1F May 2009 LANEX S A 8 Ceramiczna Street 20 150 Lublin Service phone 48 81 443 96 39 POLAND TM 76 MD 76 MODEM OP...

Page 2: ...TICAL INTERFACE 13 4 INSTALLATION AND OPERATION 14 4 1 OPERATING CONDITIONS 14 4 2 INSTALLATION 14 4 3 POWER SUPPLY 15 4 4 E1 G 703 LINEAR SIGNAL CONNECTION 16 4 4 1 TM 76 and MD 76 16 4 5 CONNECTION...

Page 3: ...larm thresholds 38 6 4 TEST LOOPS 39 6 5 MONITORING 40 6 6 LOG 41 6 6 1 Event log 41 6 6 2 Event log filter 41 7 TECHNICAL SPECIFICATION 43 7 1 ELECTRICAL CHARACTERISTICS OF E1 G 703 INTERFACE 43 7 2...

Page 4: ...TALLATION OF THE DEVICES IN THE FORM OF A CARD IN MD 72 TELECOMMUNICATION RACK SECTIONAL VIEW 15 FIGURE 10 THE PASSWORD ENTRY PANEL 22 FIGURE 11 THE MAIN MENU 23 FIGURE 12 A TERMINAL WINDOW EXAMPLE 24...

Page 5: ...T International Telecommunication Union Telecommunication Standardization Sector LDF Laser Diode Failure LOESx Loss of Electrical Signal LOF Loss of Frame LOOS Loss of Optical Signal LOS Loss of Signa...

Page 6: ...device is supplied from a DC source an easily accessible disconnecting system should be mounted into the fixed cabling outside the device Radiation transmitted by the laser transmitter is harmful to e...

Page 7: ...and TM 44 devices can operate with each other if connected via a fiber optic line If TM 76 or MD 76 is connected to TM MD 77 TM 44 four channel device transmission with the first E1 channel is possib...

Page 8: ...ELEPHONE SW ITCH ROUTER ROUTER ETHERNET ETHERNET 4 x E1 G 703 4 x E1 G 703 G 703 G 703 G 703 Fiber optic line MD 76 MD 76 MD 76 MD 76 Fiber optic line RING SDH TRANSFER TERMINAL EQUIPMENT TRANSFER TER...

Page 9: ...m wavelength 1310 1550 nm transmitter working with 1310 nm wavelength receiver working with 1550 nm wavelength 1550 1310 nm transmitter working with 1550 nm wavelength receiver working with 1310 nm wa...

Page 10: ...the Manual it means that the feature specified in this part of the symbol is insignificant concerning the discussed parameter and may be equal to any value from the above mentioned range However the d...

Page 11: ...odes LOES loss of E1 interface input signal LOOS loss of optical receiver input signal LDF laser diode failure loss of optical transmitter output power LOF loss of frame synchronization of received si...

Page 12: ...rminal to TM 76 device connecting cable specification TM 76 1 modem side PC computer or terminal side RJ 45 connector Pin symbol DSUB 9 female connector DSUB 25 female connector 6 Tx 2 3 5 Rx 3 2 RTS...

Page 13: ...ignal LDF laser diode failure loss of optical transmitter output power LOF loss of frame synchronization of received signal 10 3 error rate 10 3 exceeded 10 6 error rate 10 6 exceeded RAL remote alarm...

Page 14: ...ces automatically control the parameters of E1 G 703 local interface and linear optical signal and detect and signalize the following conditions and values E1 G 703 G 704 local interface loss of inter...

Page 15: ...3 UA O C AIS signals are transmitted to all E1 interfaces Error rate 10 6 NUA C O Transmitter failure UA Linear optical Interface Remote alarm Local interface E1 G 703 G 704 Loss of signal UA C O AIS...

Page 16: ...e below shows possible loops A loop number is consistent with the number used in the device software E1 port 1 Optical port Figure 6 Loops 3 4 Clock transfer TM 76 and MD 76 devices are based on a ple...

Page 17: ...d second counter ES15 threshold there is a separate counter for each interface exceeding or going below a user defined ES 24 hour errored second counter ES24 threshold there is a separate counter for...

Page 18: ...AISR AIS signal detection in E1 flux demultiplexed from E2 collective channel ES15 exceeding a 15 minute errored second counter threshold SES15 exceeding a 15 minute severely errored second counter t...

Page 19: ...ed second counter threshold SES15 exceeding a 15 minute severely errored second counter threshold ES24 exceeding a 24 hour errored second counter threshold SES24 exceeding a 24 hour severely errored s...

Page 20: ...MD 72 telecommunication rack MD 76 device comprises a digital card and an interface card The digital card is installed in the front part of the rack in slots 1 16 and the interface card is installed...

Page 21: ...is described in TM 72 rack operating manual Power supply voltage parameters are given in paragraph 7 6 The correct power supply of the device is signalized by a light indicator on the front panel 18...

Page 22: ...terminals on the E1 G 703 120 interface socket The E1 G 703 120 linear module socket outputs are described in 05 Table 5 Description of TM 76 and MD 76 E1 G 703 120 interface outputs Pin No Descriptio...

Page 23: ...9 connector female Pin symbol DSUB 9 female connector DSUB 25 female connector 2 Tx 2 3 3 Rx 3 2 RTS CTS 7 8 4 5 DTR DSR 4 6 6 20 4 SGND 5 7 casing casing casing 4 6 Fiber optic line connection The ma...

Page 24: ...fibers with SC connector single mode optical fibers with SC PC connectors angle terminal connectors must not be used their symbol usually includes APC marking A connection should be made with a doubl...

Page 25: ...the other side This fact will be indicated by the red diode LOOS which will go out A reverse connection is not harmful but of course the devices will not function LOOS diodes in both multiplexers will...

Page 26: ...events Loss of optical signal Transmitter failure Loss of frame synchronization Alarm from a remote device Loss of signal component Exceeding 10 3 error rate Exceeding 10 6 error rate HDB3 code viola...

Page 27: ...8 Number of stop bits 1 flow control none Local echo none Terminal type VT100 Table 11 VT100 terminal settings for HYPER TERMINAL program HYPERTERMINAL Bits per second 9600 Data bits 8 Parity none St...

Page 28: ...ming an emergency procedure To do this the user instead of the password should enter code01 Then the program will generate an 8 digit string which should be submitted to the LANEX service Based on the...

Page 29: ...keys From its level you can access the following panels System Interfaces Event log Monitoring Loops About the program Figure 11 The Main menu The operation needs only the ARROWS BACKSPACE SPACE ENTER...

Page 30: ...e panel name and current date and system clock bar 2 device name and address bar 3 key shortcut bar indicating operations available in a given panel 5 5 1 System The System panel allows the user to mo...

Page 31: ...roduction Serial No Number given to the device in production Device name 16 character text TM 76 1 Any device name given by the user Access password 8 character text Password protecting from unauthori...

Page 32: ...selection 5 5 2 1 Interfaces options The Interfaces options panel is used to select the following panels interface set up viewing 15 minut and 24 hour ES SES BBE UAS ESFE SESFE registers viewing the...

Page 33: ...shold can be as follows UAL urgent alarm NUAL non urgent alarm NONE no alarm is generated A switch on threshold defines the number of seconds after exceeding of which an alarm specified by a severity...

Page 34: ...gent alarm after SES was exceeded in a 24 hour period 0 86400 0 Value for SES in a 24 hour period below which an urgent alarm is switched off Threshold value of switching on a non urgent alarm after E...

Page 35: ...s of 15 minute counters for each interface and 2 records of 24 hour counters for each interface Data is recorded only for non zero counter values Figure 17 24 hour registers 5 5 3 Time periods This pa...

Page 36: ...the user to delete all events recorded in the device memory using the CTRL R key combination Figure 19 Event log 5 5 5 Monitoring This panel displays parameters which represent the current status of...

Page 37: ...ING MANUAL IOA76 1F 31 May 2009 Figure 20 Monitoring 5 5 6 Loops TM 76 modem terminal is capable of activating test loops from the side of E1 and E2 interfaces The test loops are described in paragrap...

Page 38: ...6 in a desktop version and TM 72 racks equipped with MD 76 modem cards The description of computer connection is given in paragraph 4 5 Connection to VT100 terminal or computer equipped with LanWin ma...

Page 39: ...on the entered name will appear in the active device window and in the window of the device whose name was modified Figure 23 Device name 6 1 2 Setting date and time If you press the Setting time and...

Page 40: ...ll open showing additional information concerning the connected device Figure 25 Additional information 6 2 Channel activity The Channel activity tab allows the user to switch on and off a single E1 t...

Page 41: ...y errored seconds EB errored bloks UAS unavailability seconds Additionally you can set threshold values for switching on and off the alarms for SES15 SES24 ES15 ES24 SESFE15 SESFE24 counters based on...

Page 42: ...E1 G 703 FIBER OPTIC MODEM OPERATING MANUAL IOA76 1F 36 May 2009 Figure 27 G 826 statistics...

Page 43: ...IOA76 1F 37 May 2009 6 3 1 Alarm severity level The window shown below allows you to set an alarm severity level The window will open if you select the Alarm severity level option from the Menu Figur...

Page 44: ...76 1F 38 May 2009 6 3 2 Alarm thresholds The window shown below allows you to set an alarm switch on and switch off threshold The window will open if you select the Threshold set up option from the Me...

Page 45: ...ERATING MANUAL IOA76 1F 39 May 2009 6 4 Test loops The tab TM 76 test loops allows you to activate the test loops from the side of E1 and E2 interfaces The test loops are described in paragraph 3 3 Te...

Page 46: ...l displays parameters which represent the current status of E1 and E2 interfaces interface defect and anomaly monitoring points transmission quality monitoring objects related to individual interfaces...

Page 47: ...se button when the cursor is placed in this window and selecting the Delete the log command Figure 32 Log 6 6 2 Event log filter This tab is divided into two parts The top part of the tab displays eve...

Page 48: ...select criteria of the displayed events analogous to the ones specified for Urgent alarm criteria paragraph 3 1 Non urgent alarm criteria paragraph 3 1 other criteria not included in the urgent and n...

Page 49: ...compatibility standard ITU T G 703 Rated binary bit rate 2 048 Mbit s 50 ppm AIS signal binary bit rate 2 048 Mbit s 50 ppm Input and output impedance 120 symmetric connector Maximum cable attenuation...

Page 50: ...310 nm TM 76 1 6 X MD 76 1 6 X Laser diode 1550 nm TM 76 1 3 1 MD 76 1 3 1 15 dBm TM 76 1 3 2 MD 76 1 3 2 5 dBm Level of power optical transmitter TM 76 1 4 1 MD 76 1 4 1 5 dBm TM 76 1 5 1 MD 76 1 5 1...

Page 51: ...s 7 4 1 Operation The devices may operate in unevenly heated closed rooms in the following environmental conditions Environmental Parameter Allowable value Ambient temperature 5 40O C Air relative hum...

Page 52: ...ly with the requirements for class B equipment concerning radioelectric disturbance emissions set out in PN EN 55022 standard provided that they are installed in accordance with this Manual 7 6 Power...

Page 53: ...45 1 pce 3 IOA76 1x Operating Manual 1 pce 4 Guarantee card 1 pce for MD 76 rack card 1 MD 76 modem digital card interface card 1 pce 2 IOA76 1x Operating Manual 1 pce 3 Guarantee card 1 pce optional...

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Page 56: ...Manufacturer Lanex S A 8 Ceramiczna Street 20 150 Lublin POLAND phone 48 81 444 10 11 fax 48 81 740 35 70 e mail info lanex pl web www lanex pl Service contact phone 48 81 443 96 39 Lanex S A 2007...

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