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Lanex TM-81.1 Operating Manual

5 x rs-232, 485 + 2 x ethernet 2 mbit/s g.703 (g.704)
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MULTIPLEXER
Type
TM-81.1
5
RS-232, 485 + 2
E
X
X
THERNET
2 M
/
G.703 (G.704)
BIT
S
O
M
PERATING
ANUAL
IOA81-1E
August 2004
LANEX S.A., 8 Ceramiczna St., 20-150 Lublin, POLAND
Service Dept.: tel. (81) 443 96 39

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  • Page 1 MULTIPLEXER Type TM-81.1 RS-232, 485 + 2 THERNET G.703 (G.704) PERATING ANUAL IOA81-1E August 2004 LANEX S.A., 8 Ceramiczna St., 20-150 Lublin, POLAND Service Dept.: tel. (81) 443 96 39...

  • Page 3: Table Of Contents

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL Table of Contents GENERAL CHARACTERISTICS ......................2 ............................... 2 URPOSE ......................2 ASIC EATURES OF THE ......................... 2 XAMPLES OF PPLICATION .............................. 2 ARKING CONNECTORS AND LED INDICATORS ....................2 ............................
  • Page 4 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL SPECIFICATIONS............................2 ........................2 LECTRICAL ARAMETERS 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 ........................2 ECHANICAL ARAMETERS ....................2 LECTROMAGNETIC OMPATIBILITY ......................2 NVIRONMENTAL EQUIREMENTS Operation ...............................2...
  • Page 5 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL List of Abbreviations Alarm Indication Signal ETSI European Telecommunications Standards Institute Neutral (Ground) ITU-T International Telecommunication Union – Telecommunication Standardization Sector Loss Of Signal Loss Of Frame Data Communication Equipment Data Terminal Equipment Synchronous Digital Hierarchy IOA81-1E...
  • Page 6 PERATING ANUAL Operational safety The TM-81.1 multiplexer has been designed and tested for the operating safety in accordance with PN-EN 60950 standard. This Operating Manual is an integral part of the device and it is delivered to the Us- ers along with it.

  • Page 7: General Characteristics

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 1 General characteristics 1.1 Purpose The device allows transmitting both asynchronous digital signals and Ethernet signals through 64 kbit/s transmission channels of 2048 kbit/s stream structured in compliance with ITU-T G.704 Recommendation.

  • Page 8: Examples Of Application

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 1.3 Examples of Application Radio tower Managing station Radio line modem C6(10BASE-T) C1-5 (RS232/485) C7 (10BASE-T) C6 (10BASE-T) C1 (RS232/485) TM-81 TM-81 G.703/G.704 G.703/G.704 G.703/G.704 G.703/G.704 Telecommunication network G.703/G.704 G.703/G.704 TM-81...
  • Page 9 (RS232) (10BASE-T) TM-81 TM-81 G.703/G.704 G.703/G.704 G.703/G.704 G.703/G.704 Telecommunication network G.703/G.704 G.703/G.704 TM-81 C3-5 (10BASE-T) (RS232) (10BASE-T) (RS232) (RS232/485) IP camera IP camera Alarm switchboards Fig. 2. Application of TM-81.1 multiplexers for construction of object protection networks IOA81-1E August 2004...

  • Page 10: Marking

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 1.4 Marking Note: Each time a symbol containing the letter "X" instead of its corresponding digit appears in the Manual, it means that the feature specified in this part of the symbol is insignifi- cant for the parameter being discussed and may be equal to any value from the above- mentioned range.

  • Page 11: Rear Panel

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 2.2 Rear panel The following controls are located on the rear panel of the device: • E1 interface connectors, • Alarm contact connector, • Connectors of RS-232, 485, and Ethernet 10BASE-T tributary channels, •...

  • Page 12: Connectors' Data

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 2.3 Connectors’ data Pin No. Pin Description Transmission of Data – output Reception of Data – input Transmitted data – shield Received data – shield View and description of balanced E1/G.703 120 Ω contact connector Fig.

  • Page 13: Principles Of Connecting

    7 White/brown 7 White/brown 8 Brown Pin8 8 Brown Fig. 9. View of the cable for connecting the Ethernet port of the TM-81.1 multiplexer with the MDI-X port of the connected device. 1 White/orange 1 White/orange 2 Orange 2 Orange...

  • Page 14: Rs-232/485 Interface

    Each port of the TM-81.1 multiplexer is equipped with a set of resistors allowing terminat- ing the bus. These resistors are connectable by using a set of jumpers described in point 4.5.
  • Page 15 Fig. 11. TM-81.1 multiplexer - connecting of terminating resistor and biasing the 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.

  • Page 16: Functional Description

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 3 Functional Description 3.1 Introduction The multiplexer is equipped with two 2048 kbit/s line ports (A and B) compliant with ITU-T G.703 and G.704 recommendations. Through these ports the device can be connected with other telecommunication devices like SDH multiplexers, PCM-30 multiplexers or with any other signal sources featuring with the bitrate of 2048 kbit/s and equipped with similar interfaces.

  • Page 17: Block Diagram

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 3.2 Block Diagram Fig. 13. Block diagram IOA81-1E August 2004...
  • Page 18 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 3.3 Structure of 2048 kbit/s signal frame The frame of 2048 kbit/s signal, compliant with the ITU-T G.704 Recommendation, is composed of 256 bits numbered from 1 to 256 and is repeated with the frequency of 8 kHz. Successive bits: 1÷8, 9÷16, 17÷24, ..., and 249÷256 form 32 channels, 64 kbit/s each.
  • Page 19 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 3.4 Principles of dropping the slots from 2048 kbit/s signal Principles of dropping the slots from the 2048 kbit/s signal result from the frame struc- ture. During dropping process the slots TS0 and TS16 are omitted. Assuming that the TS(x) slot is the first timeslot designated for transmitting 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.
  • Page 20 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 3.5 Selection of time slots Assignment of time slots TS of the 2048 kbit/s stream to tributary channels is made by using „CONFIGURATION” switches. Assignment is effected by selecting the number of first slot from the group of slots intended for transmission.
  • Page 21 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 3.7 Operating modes of tributary channels Transmission between line ports A and B and tributary channels C1÷C7 can be effected in one of two ways: • With interrupted transmission path - DROP mode, •...
  • Page 22 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL Operating mode without interrupting the transmission path (Drop & Continue mode) If the tributary channel equivalent to the nth time slot is selected and the CHANNEL MODE OF OPERATION switch is set to the OR position, then the transmission path between A and B ports for this slot is continuous.
  • Page 23 G.703 interface and generates the frame compliant with the ITU-T G.704 recommendation towards the used port. The TM-81.1 device is able to automatically switch itself into the terminal device operat- ing mode, or may be toggled into this mode by using a switch.

  • Page 24: Installation And Operation

    4.3 Installation The TM-81.1 multiplexer can operate as a standalone device or be mounted in 19 or 21 inches rack. For installation in the rack, special mounting brackets included in delivery should be screwed to side walls of the device.
  • Page 25 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL Fig. 21. Installation of the multiplexer in 19’’ or 21’’ rack IOA81-1E August 2004...
  • Page 26 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 4.4 Selection of input and output impedance of line ports To adjust the multiplexer to operation with balanced cables (impedance of 120 Ω) or co- axial cables (impedance of 75 Ω), the JP1, JP2-4 , JP5-7, JP8-11, JP12-15, and JP16 jumpers (positions 4 and 5) should be set as shown in the table on Fig.
  • Page 27 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 4.5 Configuring the contact points of RS-232/485 channel ports To configure contact points of channel ports it is necessary to set jumpers on the board with channel interfaces in appropriate positions (see Fig. 23). For each channel ports, C1÷C5, it is individually possible to: •...
  • Page 28 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL Figure No. 23 illustrates the position of jumpers for setting the zero modem in the RS-232 interface configuration. Note: It is very important to set RS-485 terminating jumpers to OFF when setting the device to RS-232 interface.

  • Page 29: Data.

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 4.6 Power supply Mains The multiplexer in TM-81-1-1 version can be powered with both DC and AC voltage; the latter with the frequency of 50 - 60 Hz and rated value of 110 - 230 V. Changing the power supply mains voltage from 230 V to 110 V and vice versa does not require any modifications of device settings.

  • Page 30: Mode

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL Grouding terminal Power supply connector Grouding terminal Power supply connector Fig. 25. Examples of battery pack connections. 5 Configuration For configuring the multiplexer, a set of switches is provided on the front panel. 5.1 Configuration of tributary channels MULTIPLEXER 7x64k/2M G.703...

  • Page 31: Tm-48 D Evice

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL Transmission speed of 1200 bit/s 1 2 3 4 5 6 7 8 Number of stop bits - 1 1 2 3 4 5 6 7 8 Number of stop bits - 2 1 2 3 4 5 6 7 8 No parity bit...
  • Page 32 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL MULTIPLEXER 7x64k/2M G.703 TRIBUTARY CHANNEL CONFIGURATION CHANNEL DIRECTION MODE OF OPERATION CONFIGURATION RC V TM-81 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...
  • Page 33 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL The speed of 512 kbit/s is set for ETHERNET C and C ports. 1 2 3 1 2 3 4 5 6 7 8 4 5 6 7 8 The speed of 64 kbit/s is set for ETHERNET C and C ports.
  • Page 34 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 5.3 Selection of time slots MULTIPLEXER 7x64k/2M G.703 TRIBUTARY CHANNEL CONFIGURATION CHANNEL DIRECTION MODE OF OPERATION CONFIGURATION RC V TM-81 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3...

  • Page 35: M Odes For C Hannels

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 5.4 Selection of operating modes for channels MULTIPLEXER 7x64k/2M G.703 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 10BASE-T RS232/485 CHANNEL DIRECTION...
  • Page 36 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL The multiplexer works as terminal device, only B port available. Clock signal is recovered from 2048 kbit/s signal received from port B. The multiplexer works as terminal device, only A port available. Clock signal from internal quartz generator.

  • Page 37: Port "B"

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 6.2 Tributary loop on the “B” port The tributary loop on the port “B” is set up by actuating the switch No. 9 belonging to the CONFIGURATION group of switches. Closing of the loop is signaled by blinking of the AIS diode of the port B.
  • Page 38 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 7 Distribution frame A distribution frame type P-81 can be used with TM-81 multiplexer. The frame allows relocating the contact points of line ports and component ports, as well as power supply and contact alarm signal connectors to front panel of the device.

  • Page 39: Specifications

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 8 Specifications 8.1 Electrical parameters 2048 kbit/s line interface Parameter or feature Value of parameter or description of feature Functional / electrical compatibility standard ITU-T G.704 / ITU-T G.703 2048 kbit/s ±...
  • Page 40 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 8.2 Mechanical parameters Parameter or feature Value of parameter or description of a feature Width 434 mm Height 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.

  • Page 41: E Nvironmental R Equirements Operation

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 8.4 Environmental requirements Operation The TM-81 devices can work in closed rooms without uniform heating, in the following environmental conditions: Environmental parameter Permissible value +5 ÷ +40 Ambient temperature ≤...

  • Page 42: Scope Of Delivery

    RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL 9 Scope of delivery The following items are included in the delivery: 1. TM-81.1 MULTIPLEXER 2. F , 1,6A 3. B 19“ – RH RACKETS FOR MOUNTING IN A RACK 4.
  • Page 43 RS-232,485 + 2 /2 M G.703 (G.704) M THERNET ULTIPLEXER PERATING ANUAL IOA81-1E August 2004...
  • Page 44 ULTIPLEXER PERATING ANUAL 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 IOA81-1E August 2004...

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