Lanex TM-81.1 Page 34 Operating Manual Download

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RS-232,485 + 2

THERNET

/2 M

BIT

G.703 (G.704) M

ULTIPLEXER

PERATING

ANUAL

IOA81-1E

August 2004

5.3 Selection of time slots

MULTIPLEXER 7x64k/2M

TRIBUTARY CHANNEL CONFIGURATION

TM-81

AIS

-3

LOF

LOS
G.703

CONFIGURATION

LNK

MUX

RC V

CHANNEL DIRECTION

MODE OF OPERATION

4 5 6 7 8

1 2 3

4 5 6 7 8

1 2 3

4 5 6 7 8

1 2 3

4 5 6 7 8

1 2 3

4 5 6 7 8

1 2 3

4 5 6 7 8

1 2 3

4 5 6 7 8

1 2 3

4 5 6 7 8

1 2 3

9 10

LNK

RCV

CONFIGURATION

The first timeslot from the group of slots of the 2048 kbit/s stream is selectable by using
CONFIGURATION switches (sectors 1

5) in the following way:

Forbidden setting

TS1 slot

TS17 slot

TS2 slot

TS18 slot

TS3 slot

TS19 slot

TS4 slot

TS20 slot

TS5 slot

TS21 slot

TS6 slot

TS22 slot

TS7 slot

TS23 slot

TS8 slot

TS24 slot

TS9 slot

TS25 slot

TS10 slot

TS26 slot

TS11 slot

TS27 slot

TS12 slot

TS28 slot

TS13 slot

TS29 slot

TS14 slot

TS30 slot

TS15 slot

TS31 slot

Summary of Contents for TM-81.1

Page 1: ...IOA81 1E August 2004 LANEX S A 8 Ceramiczna St 20 150 Lublin POLAND Service Dept tel 81 443 96 39 MULTIPLEXER Type TM 81 1 5 X RS 232 485 2 X ETHERNET 2 MBIT S G 703 G 704 OPERATING MANUAL ...

Page 2: ......

Page 3: ...RY CHANNELS 2 Operating mode with interrupted transmission path 2 Operating mode without interrupting the transission path 2 3 8 EMERGENCY MODE 2 3 9 OPERATION WITH THE TM 48 DEVICE 2 3 10 OPERATION AS A TERMINAL EQUIPMENT 2 3 11 ESTABLISHING THE CLOCK SOURCE 2 2 4 INSTALLATION AND OPERATION 2 4 1 INTRODUCTION 2 4 2 OPERATING CONDITIONS 2 4 3 INSTALLATION 2 4 4 SELECTION OF INPUT AND OUTPUT IMPEDA...

Page 4: ...ETERS 2 2048 kbit s Line Interface 2 RS 232 V 28 Asynchronous Digital Interface 2 RS 485 EIA 485 Asynchronous Digital Inteface 2 Ethernet 10BASE T Digital Interface 2 8 2 MECHANICAL PARAMETERS 2 8 3 ELECTROMAGNETIC COMPATIBILITY 2 8 4 ENVIRONMENTAL REQUIREMENTS 2 Operation 2 Transportation 2 Storage 2 8 5 POWER SUPPLY 2 9 SCOPE OF DELIVERY 2 ...

Page 5: ...ions AIS Alarm Indication Signal ETSI European Telecommunications Standards Institute GND Neutral Ground ITU T International Telecommunication Union Telecommunication Standardization Sector LOS Loss Of Signal LOF Loss Of Frame DCE Data Communication Equipment DTE Data Terminal Equipment SDH Synchronous Digital Hierarchy ...

Page 6: ...k without neutral pin is al lowed provided the earthing terminal located on the rear panel of the device is con nected to ground Simultaneous grounding and neutral earthing through power cord is not allowed Dual fuse phase neutral Each phase wire is protected with separate fuse installed inside the device If only one fuse is defective other components can be live Some of power pack components inst...

Page 7: ...s adding the component 64 kbit s signals to and dropping them from a line stream of 2048 kbit s both in point to point or bus configuration 1 2 Basic Features of the Unit The unit is equipped with two line ports 2048 kbit s compliant with ITU T G 703 and G 704 Recommendations Moreover the multiplexer has five tributary ports compliant with ITU T V 28 and V 11 standard as well as two ports complian...

Page 8: ...BASE T Radio line modem Radio tower TM 81 G 703 G 704 C6 10BASE T TM 81 G 703 G 704 G 703 G 704 LAN C7 10BASE T G 703 G 704 LAN Managing station C1 5 RS232 485 Telecommunication network TM 81 C2 RS232 485 Alarm switchboard C5 RS232 485 Alarm switchboard LAN C7 10BASE T Fig 1 Application of TM 81 1 multiplexer for construction of data transmission and management networks ...

Page 9: ...4 G 703 G 704 C7 10BASE T G 703 G 704 Monitoring station C1 5 RS232 485 Telecommunication network C3 5 RS232 485 Alarm switchboards C3 5 RS232 485 C1 RS232 C2 RS232 IP camera IP camera C6 10BASE T C7 10BASE T C1 RS232 C2 RS232 IP camera IP camera C7 10BASE T C7 10BASE T Alarm switchboards Fig 2 Application of TM 81 1 multiplexers for construction of object protection networks ...

Page 10: ...he status of G 703 and 10BASE T channels LED for signalling the power on 1 Power On LED 2 Switches for configuration of RS component channels 3 Switches for configuration of ETHERNET component channels Status signalling for Ethernet channels RCV reception of frames at the port LNK informs whether the port is connected correctly 4 Switches for configuration of E1 2048 kbit s channels 5 Status signa...

Page 11: ...upply Grounding terminal POWER LNK LNK RCV RCV 10BASE T 10BASE T 2x10BASE T 5xRS232 485 MDI X DCE C 2 4 C C C C C 1 3 5 6 7 B A 75W 120W Alarm 7 8 SHIELD 5 1 9 6 1 2 3 4 5 6 1 Connectors of E1 interfaces balanced 120 Ω DB 9 coaxial 75 Ω 1 6 5 6 mm 2 Screw terminal for alarm contact 3 Connectors of RS 232 485 tributary chatnnels C1 first tributary channel etc 4 Connectors of Ethernet RJ 45 tributar...

Page 12: ...ta 3 TD Received Data 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 1 6 5 9 9 Not connected Fig 6 View and description of asynchronous RS 232 DCE interface connector Pin No Pin Description 1 Not connected 2 TD Transmitted data 3 RD Received data 4 Not connected 5 Not connected 6 TD Transmitted data 7 Not connected 8 RD Received data 1 6 5 9 9 Not connected Fig 7 View and description of asynchronous RS 485 interfa...

Page 13: ...h the housing of connector around the whole periphery Connection of balanced cables should be made by using the DB 9 plug in connector equipped with metallic or metallised housing casing and the screen of cable cables should contact the housing around the whole periphery Description of pins in the E1 G 703 120 Ω interface socket is given in the point 2 3 The Ethernet Interface Pin1 Pin8 1 White or...

Page 14: ...f interface the type of transmitters and receivers change from unbalanced RS 232 to balanced RS 485 ones Therefore the RS 485 interface should be connected by using twisted cable with the characteristic impedance of pairs equal to 120 Ω Also the principle of connecting circuits with the same symbol e g TD over one pair should be observed As a standard a RS 485 line uses a shielded balanced twisted...

Page 15: ...e line Each port of the TM 81 1 multiplexer once configured for RS 485 can work in two modes of transmission i e half duplex or duplex mode Setting the operating mode up is possible by using a set of configuration switches located on the front panel of the device When the device is to work in half duplex mode and transmit through one twisted pair it is necessary to short the circuits RD TD and RD ...

Page 16: ...el ports is directed to physical input transceivers re generated and then delivered to asynchronous synchronous controllers The access of tributary channels to the 2048 kbit s stream is possible thanks to the inte gral configurable dropping circuit see Fig 12 The dropping circuit can be configured by using a set of switches located at the front panel When configuring this circuit it is possible to...

Page 17: ...l transmitter and receiver 2048kbit s G 703 LED signalling diode Alarm relay Signal transmitter and receiver 2048kbit s G 703 Micro controller Configuration switches Local tributary channel Direction of channel Channel operation mode CONFIGURATION Relays shunting the device at power failure Line port B G 703 2048kbit s Line port A G 703 2048kbit s Signal framing synchronisation circuit 2048kbit s ...

Page 18: ...ronization pattern service bits and CRC 4 cyclic code remainder bits if the generation option is set The sixteenth slot dedi cated to signalling is not used The device allows setting the option of generation of CRC 4 code and multiframe syn chronisation signal The device is factory configured in such a way that the remainder of CRC 4 code and the pattern of multiframe synchronisation are not added...

Page 19: ...nsmitting signals of n tributary channels where x 1 15 17 31 n 1 7 and if x 15 and x n 1 15 then slots from TS x up to TS x n 1 will be dropped Fig 16a if x 17 and x n 1 31 then slots from TS x up to TS x n 1 will be dropped Fig 16b if x 15 and x n 1 16 then slots from TS x up to TS15 and from TS17 up to TS x n will be dropped Fig 16c and if x n 1 31 then slots from TS x up to TS31 and from TS1 up...

Page 20: ...ples shown below the slot number 2 is selected i e the group of slots 2 9 is de signed for transmission Selected timeslots are associated with tributary channels but these channels do not occupy them Slots are occupied when specified tributary channels are switched on by switches that configure the working parameters of tributary channels 3 6 Selection and configuration of tributary channels Switc...

Page 21: ...ween A and B ports for this slot is interrupted in both directions Connection between selected tributary channel and A or B port through this slot is closed and the 0 signal is sent in outgoing di rection of the opposite port In the example shown on Fig 18 the C1 tributary channel is selected This channel is as sociated with time slot number 2 Transmission path between ports A and B for the slot 2...

Page 22: ...nnection between ports A and B for the slot 2 is continu ous Also the connection between selected C1 channel and the port A through this slot is closed Initial slot selected by using CONFIGURATION switches Output of line port A Input of line port B Input of line port A Output of line port B CHANNEL DIRECTION TRIBUTARY CHANNEL CONFIGURATION A B C1 MODE OF OPERATION Drop Drop co Fig 19 Dropping the ...

Page 23: ...the TM 81 devices only 3 10 Operation as a terminal equipment If there is no 2048 kBit s signal connected to one of line ports A or B the multiplexer should work as a terminal device Then the device works with the own 2048 kbit s clock or with the clock reproduced from the G 703 interface and generates the frame compliant with the ITU T G 704 recommendation towards the used port The TM 81 1 device...

Page 24: ...clock for the chain of TM 81 1 multiplexers 4 Installation and Operation 4 1 Introduction Prior to putting the multiplexer into normal service it is necessary to install it and set up properly in accordance with recommendations given below 4 2 Operating conditions The TM 81 1 multiplexer can operate continuously in closed rooms in environmental conditions presented in the Specifications chapter Th...

Page 25: ...5 X RS 232 485 2 X ETHERNET 2 MBIT S G 703 G 704 MULTIPLEXER OPERATING MANUAL IOA81 1E 19 August 2004 Fig 21 Installation of the multiplexer in 19 or 21 rack ...

Page 26: ... one should undo four screws from the top of housing then undo four side screws and remove upper cover The value of characteristic impedance can be set up for each port individually The multi plexer is factory set for operation with balanced cables with the impedance of 120Ω JP1 120 75 1 2 3 JP8 11 1 2 3 JP2 4 75 120 3 2 1 JP5 7 3 2 1 3 2 1 JP12 15 JP5 7 JP1 JP12 15 JP 16 p 4 1 2 2 3 1 2 2 3 1 2 2...

Page 27: ... line into ON or OFF state or connect it with the DTR line Set the CTS line into ON or OFF state or connect it with the RTS line Set the DCD line into ON or OFF state Jumpers are accessible after removing the cover To get the access to jumpers one should undo four screws from the top of housing then undo four side screws and remove upper cover Factory settings are as follows DTR line is connected ...

Page 28: ...rs may cause improper operation of the RS 232 interface Figure 24 shows positions of RS 485 interface terminating jumpers set to OFF Setting the termination and bias jumpers to ON is justified only when the type of interface is configured to RS 485 Note In case the interface type is set to RS 485 the DTR DSR RTS CTS and DCD jumpers should be removed otherwise the RS 485 interface may work incorrec...

Page 29: ...m reliability use of the UPS power supply unit is much recom mended Note Double fuse phase neutral Every mains power cord is protected by separate fuse installed inside the multiplexer Some elements of power supply unit located at the PCB may be live For versions with 110 230 V mains power supply TM 81 1 1 the plug on power cord also plays a role of circuit breaking element Therefore the mains soc...

Page 30: ...F OPERATION 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 9 10 LNK RCV C 1 4 5 6 7 8 1 2 3 ON The parameters of C1 C5 serial ports can be set up by using five sections of switches The C1 section configures the C1 component port and similarly next sections configure corre sponding co...

Page 31: ...plex setting valid for the RS 485 interface only To enable the operation with the TM 48 device for RS 232 channels positions of MODE OF OPERATION switches and configurations of tributary channels should be modified as fol lows 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON Upper position of the MODE OF OPERATION switch in section 8 enables the mode of co operation with the TM 48 device 4 5 6 7 8 1 2 3 ON R...

Page 32: ...f transmission for C6 channel full duplex 4 2 1 3 ON Channel C7 off 4 2 1 3 ON Channel C7 on 4 2 1 3 ON Type of transmission for C7 channel half duplex 4 2 1 3 ON Type of transmission for C7 channel full duplex Additionally for Ethernet transmission it is possible to configure the assignment of number of slots The device can be configured for operation with one 64 kbit s time slot and with eight c...

Page 33: ...6 2 CHANNEL DIRECTION MODE OF OPERATION 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 9 10 LNK RCV 4 5 6 7 8 1 2 3 ON CHANNEL DIRECTION A B C1 C 7 Transmission direction for channels is selectable by using CHANNEL DIRECTION switches 4 5 6 7 8 1 2 3 ON Setting the switch correspondin...

Page 34: ... 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 4 5 6 7 8 1 2 3 ON 9 10 LNK RCV CONFIGURATION ON 4 5 6 7 8 1 2 3 9 10 The first timeslot from the group of slots of the 2048 kbit s stream is selectable by using CONFIGURATION switches sectors 1 5 in the following way Forbidden setting Forbidden setting TS1 slot TS17 slot TS2 slot TS18 slot TS3 slot TS19 slot TS4 slot TS20 slot TS5 s...

Page 35: ...h DROP mode for this channel 4 5 6 7 8 1 2 3 ON Lower position of switch corresponding to a given channel means selection of the mode without interrupting the transmission path DROP CONTINUE mode for this channel The DROP mode is recommended for most applica tions for C6 and C7 Ethernet channels 5 5 Selection of operating mode for the unit TS LP 4 5 6 7 8 1 2 3 ON CONFIGURATION TM 81 MULTIPLEXER 7...

Page 36: ...agnostic loops in the TM 81 multiplexer On the A port of line interface On the B port of line interface On ports A and B of line interface Loops are closed by using CONFIGURATION switches located on front panel of the device sectors 8 and 9 Closed tributary loop from the side of A port Closed tributary loop from the side of B port Closed tributary loop from the side of A and B ports 6 1 Tributary ...

Page 37: ...led by blinking of the AIS diode of the port B Simultaneously the AIS signal is sent from the output of A port A B TM 81 C1 C7 CONFIGURATION Fig 27 Tributary loop on the B port 6 3 Tributary loop on A and B ports The tributary loop on A and B ports forms by actuating the switches No 8 and 9 belong ing to the CONFIGURATION group of switches Closing of the loop is signaled by blinking AIS diodes of ...

Page 38: ...et of fixing brackets available as optional equipment or can be mounted separately Front view of the TM 81 multiplexer P 81 distribution frame set is shown on the figure below TM 81 MULTIPLEXER 7x64k 2M T R I B U T A R Y C H A N N E L C O N F I G U R A T I O N TM 81 B A AIS 10 3 LOF LOS G 703 CONFIGURATION B A Droop LNK RCV LNK RCV C C C C C C C LP C C C TS C 1 1 1 3 4 5 7 7 7 6 2 CHANNEL DIRECTIO...

Page 39: ... station side cable for 2048 kbit s inputs at the fre quency of 1024 kHz amounts to 6 dB RS 232 V 28 asynchronous digital interface Parameter or feature Value of parameter or description of feature Electrical compatibility standard ITU T V 28 Transmission speed 1200 19200 bit s Type of connector DB 9 FEMALE RS 485 EIA 485 asynchronous digital interface Parameter or feature Value of parameter or de...

Page 40: ...t 44 mm Depth 188 mm Weight 2 2 kg 8 3 Electromagnetic compatibility TM 81 multiplexers meet Class A requirements concerning emission of radio interfer ences as specified in the PN EN 55022 standard provided they are installed in compliance with this Manual Warning This is a Class A device and may emit radio interferences in home environment In such case the user may be required to implement suita...

Page 41: ...iplexers should be stored in closed space and in the environment meeting the following requirements Environmental parameter Permissible value Ambient temperature 25 55 O C Relative humidity 5 up to 90 below 40 O C Vibrations Frequency 10 Hz up to 55 Hz amplitude 0 15 mm Duration 10 cycles in three planes Pollution level Typical home or office environment 8 5 Power supply Parameter or feature Versi...

Page 42: ... 1E 36 August 2004 9 Scope of delivery The following items are included in the delivery 1 TM 81 1 MULTIPLEXER 1 PC 2 FUSE 1 6A 2 PCS 3 BRACKETS FOR MOUNTING IN A 19 RACK RH AND LH 1 PC 4 BRACKETS FOR MOUNTING IN A 21 RACK RH AND LH 1 PC 4 OPERATING MANUAL 1 COPY 5 WARRANTY CARD 1 COPY ...

Page 43: ...5 X RS 232 485 2 X ETHERNET 2 MBIT S G 703 G 704 MULTIPLEXER OPERATING MANUAL IOA81 1E 37 August 2004 ...

Page 44: ... MANUAL IOA81 1E 38 August 2004 Manufactured by LANEX S A 8 Ceramiczna Street 20 150 Lublin POLAND Phone 081 444 10 11 Fax 081 740 35 70 e mail info lanex pl web www lanex pl Service Department Phone 081 443 96 39 e mail serwis lanex pl LANEX S A 2004 All rights reserved ...

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