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4

X

E1/G.703 P

LESIOCHRONOUS

M

ULTIPLEXER

O

PERATING

M

ANUAL

IOA77-1F

32

May 2007

5.5.6 Loops

TM-77 multiplexer terminal is capable of activating test loops from the side of E1 and E2

interfaces. The test loops are described in paragraph 3.3

Test loops

.

Figure 21.

Loops

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Summary of Contents for MD-77

Page 1: ...iczna Street 20 150 Lublin POLAND tel 48 81444 10 11 tel fax 48 81 740 35 70 IOA77 1F May 2007 LANEX S A 8 Ceramiczna Street 20 150 Lublin Service phone 48 81 443 96 39 POLAND TM 77 MD 77 MULTIPLEXER...

Page 2: ...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 77 and MD 77 16 4 5 CONNECTION TO VT...

Page 3: ...3 2 Alarm thresholds 39 6 4 TEST LOOPS 40 6 5 MONITORING 41 6 6 LOG 42 6 6 1 Event log 42 6 6 2 Event log filter 42 7 TECHNICAL SPECIFICATION 44 7 7 ELECTRICAL CHARACTERISTICS OF E1 G 703 INTERFACE 4...

Page 4: ...FIGURE 9 DEVICE INSTALLATION IN FORM MD 72 TELECOMMUNICATION RACK CARD SECTIONAL VIEW 15 FIGURE 10 PASSWORD ENTRY PANEL 22 FIGURE 11 MAIN MENU 23 FIGURE 12 TERMINAL WINDOW EXAMPLE 24 FIGURE 13 SYSTEM...

Page 5: ...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 Signal...

Page 6: ...n the 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 harmfu...

Page 7: ...TM 44 devices can operate with each other if connected via a fiber optic line If TM MD 77 4 channel device is connected to MD 76 or TM 76 single channel device transmission with the first E1 channel i...

Page 8: ...x E1 G 703 G 703 G 703 G 703 Fiber optic line MD 77 MD 77 MD 77 MD 77 Fiber optic line RING SDH TRANSFER TERMINAL EQUIPMENT TRANSFER TERMINAL EQUIPMENT MD 76 1 A CK RAL 10 A CK 3 UA LOF NUA 10 ALACK 6...

Page 9: ...WDM Wavelength Division Multiplexing technology 1310 nm transmitter working with 1310 nm wavelength receiver working with 1310 nm wavelength 1550 nm transmitter working with 1550 nm wavelength receive...

Page 10: ...d in 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...

Page 11: ...loss of optical receiver input signal 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 rat...

Page 12: ...nector Pin symbol DSUB 9 female connector DSUB 25 female connector 6 Tx 2 3 5 Rx 3 2 RTS CTS 7 8 4 5 DTR DSR 4 6 6 20 4 SGND 5 7 9 22 7 19 4 17 2 14 10 23 8 20 5 18 3 15 P4 P3 P2 P1 4xE1 120 3 1 2 5 4...

Page 13: ...eiver input signal LDF laser diode failure loss of optical transmitter output power LOF loss of frame synchronization of the received signal 10 3 error rate 10 3 exceeded 10 6 error rate 10 6 exceeded...

Page 14: ...nalize the following conditions and values G 703 E1 local interface loss of interface input signal receiving of AIS signal coming from E1 interface receiving of AIS signal coming from demultiplexer HD...

Page 15: ...ce Remote alarm Local interface E1 G 703 G 704 Loss of signal UA C O AIS signal is transmitted via E1 channel to multiplexer Entire device Loss of power supply UA C C LED diode is on 1 alarm relay an...

Page 16: ...number used in the device software E1 port E1 port E1 port E1 port Optical port 1 Demux Mux Figure 6 Loops 3 4 Clock transfer TM 77 and MD 77 devices are based on a plesiochronous multiplexer complian...

Page 17: ...errored 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 counte...

Page 18: ...erface 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 cou...

Page 19: ...errored 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 erro...

Page 20: ...s installed in MD 72 telecommunication rack MD 77 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...

Page 21: ...Power supply connection 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 indicato...

Page 22: ...ing DSUB 25 plug equipped with a metal or metalized casing shield and the cable screen should be connected to the casing over the whole circumference It is insufficient just to connect the screen to t...

Page 23: ...ons Table 7 TM 77 computer connecting cable specification TM 77 1 multiplexer side PC computer or terminal side RJ 45 connector Pin symbol DSUB 9 female connector DSUB 25 female connector 6 Tx 2 3 5 R...

Page 24: ...nm 1310 nm 1310 nm 1310 nm 1310 nm1550 nm 1550 nm 1310 nm 1310 nm 2 Type of optical fiber SM MM 1 SM SM SM SM SM SM 3 Transmitter power level dBm 15 15 5 0 5 0 14 8 4 Receiver sensitivity dBm 35 35 36...

Page 25: ...urate alignment of the socket and plug axes any attempts of pushing the plug obliquely can damage the connector Pay attention to place the key located on the plug circumference outside the ferrule in...

Page 26: ...following 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 c...

Page 27: ...a bits 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 n...

Page 28: ...rforming 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...

Page 29: ...ER 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 EN...

Page 30: ...active 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...

Page 31: ...iven in production Serial No Number given to the device in production Device name 16 character text TM 77 1 Any device name given by the user Access password 8 character text Password protecting from...

Page 32: ...faces 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...

Page 33: ...ces set up Alarm severity levels when exceeding the switch on threshold can be as follows UAL urgent alarm NUAL non urgent alarm NONE no alarm is generated A switch on threshold defines the number of...

Page 34: ...tched on Threshold value of switching off an urgent 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 v...

Page 35: ...in the Set up panel The device stores 16 records 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...

Page 36: ...May 2007 5 5 4 Event log This panel displays events concerning the device The types of recorded events are described in paragraph 3 6 This panel allows the user to delete all events recorded in the d...

Page 37: ...is panel 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 int...

Page 38: ...PLEXER OPERATING MANUAL IOA77 1F 32 May 2007 5 5 6 Loops TM 77 multiplexer terminal is capable of activating test loops from the side of E1 and E2 interfaces The test loops are described in paragraph...

Page 39: ...77 in a desktop version and TM 72 racks equipped with MD 77 multiplexer cards The description of computer connection is given in paragraph 4 5 Connection to VT100 terminal or computer equipped with L...

Page 40: ...eration 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...

Page 41: ...EXER OPERATING MANUAL IOA77 1F 35 May 2007 6 1 3 Additional information If you press the Additional information button a window will open showing additional information concerning the connected device...

Page 42: ...tistics This tab enables the user to monitor the following numbers in 15 minut and 24 hour periods ES errored seconds SES severely errored seconds EB errored bloks UAS unavailability seconds Additiona...

Page 43: ...4XE1 G 703 PLESIOCHRONOUS MULTIPLEXER OPERATING MANUAL IOA77 1F 37 May 2007 Figure 27 G 826 statistics...

Page 44: ...MANUAL IOA77 1F 38 May 2007 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...

Page 45: ...AL IOA77 1F 39 May 2007 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...

Page 46: ...ER OPERATING MANUAL IOA77 1F 40 May 2007 6 4 Test loops The tab TM 77 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...

Page 47: ...s panel 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 inte...

Page 48: ...ton 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 events wh...

Page 49: ...riteria 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 non urgent...

Page 50: ...cal 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 attenua...

Page 51: ...7 1 6 X MD 77 1 6 X Laser diode 1550 nm TM 77 1 2 1 MD 77 1 2 1 23 5 dBm Level of power optical transmitter TM 77 1 3 1 MD 77 1 3 1 15 dBm TM 77 1 3 2 MD 77 1 3 2 5 dBm TM 77 1 4 1 MD 77 1 4 1 5 dBm T...

Page 52: ...tal requirements 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 A...

Page 53: ...nce emissions set out in PN EN 55022 standard provided that they are installed in accordance with this Manual 7 6 Power supply Parameter or feature Version Symbol Parameter value or feature descriptio...

Page 54: ...esktop multiplexer supplied to the customer includes the following components 1 TM 77 multiplexer 1 pce 2 RS 232 cable DSUB 9 RJ 45 1 pce 3 IOA77 1F Operating Manual 1 pce 4 Guarantee card 1 pce for M...

Page 55: ......

Page 56: ......

Page 57: ...nufacturer 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 lublin pl web www lanex pl Service contact phone 48 81 443 96 39 Lanex S A 200...

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