Related Manuals for 2N LiftNet
Summary of Contents for 2N LiftNet
-
Page 1: User Manual
® LiftNet Lift Communicator User Manual Version 1.9.3 www.2n.cz Firmware version 1.9.1... - Page 2 LiftNet product complies with all basic requirements and other relevant provisions of the 1999/5/EC directive. For the full wording of the Declaration of Conformity see the CD-ROM enclosed and at www.2n.cz. 2N TELEKOMUNIKACE company is the owner of the ISO 9001:2000 certificate. All...
- Page 3 ® LiftNet product is the holder of the Type certificate of the TÜV SÜD Czech company.
-
Page 4: Table Of Contents
1.1 P ........................... 8 RODUCT ESCRIPTION Basic Features ............................8 Basic Description ............................8 System Block Diagram ..........................9 ® 1.2 2N ..............12 OMPONENTS AND SSOCIATED RODUCTS System Components ..........................12 Associated Products ..........................14 1.3 U ......................... 15... - Page 5 Before You Start............................48 Mounting..............................48 Electric Installation ............................ 49 – L 2.5 A ....................51 UDIO HAFT ABIN Description ..............................51 Before You Start............................52 Mounting..............................52 Electric Installation ............................ 52 CONFIGURATION..................55 3.1 LN P ..........................56 ROGRAMMING PSTN Programming ..........................
- Page 6 Automatic Call Receiving ......................... 79 Survey of Messages ..........................80 Call End (Outgoing / Incoming Calls) ..................... 80 Use of Switches ............................80 MAINTENANCE ..................83 5.1 B ........................84 ATTERY AINTENANCE Interruption of Operation .......................... 84 List of Battery Endangering Situations ....................84 Battery Pack Replacement ........................
-
Page 7: Product Overview
Product Overview ® In this section, we introduce the 2N LiftNet product, outline its application options and highlight the advantages following from its use. Here is what you can find in this section: Product Description ® LiftNet Components and Associated Products ... -
Page 8: Product Description
Basic Description ® LiftNet (LN) is a communication system similar to the intercom. The audio units are connected (through a pair of conductors) to a common bus, to which one central unit (CU) is connected. The CU controls the system operation and provides connection to the dispatching office. -
Page 9: System Block Diagram
Product Description System Block Diagram ® Figure 1.1 Example of Connection of PSTN CU and 3 2N LiftNet Audio Units... - Page 10 Product Description ® Figure 1.2 Example of CU and 2N LiftNet Local Dispatching Audio Unit Connection...
- Page 11 Product Description ® Figure 1.3 Example of Fireman Connection in 2N LiftNet...
-
Page 12: Liftnet Components And Associated Products
1.2 2N LiftNet Components and Associated Products System Components Caution ® The 2N LiftNet system components can be used within the LN system only. The audio units cannot be connected to a telephone line without the CU! 913600E ®... - Page 13 2N® LiftNet Components and Associated Products 913611ESET 913612E ® ® LiftNet LiftNet Audio unit – Audio unit – machine lift shaft room/dispatching Audio unit for machine Audio unit to be installed in the lift shaft rooms/dispatching, including siren and or upon the lift cabin roof. A robust standard telephone set.
-
Page 14: Associated Products
2N® LiftNet Components and Associated Products Associated Products 913630E ® LiftManager ® The 2N LiftManager system is intended for remote monitoring, control and ® ® ® communication with 2N LiftNet, 2N EasyTalk and 2N SingleTalk units. Part of the ®... -
Page 15: Upgrade And Innovations
Upgrade and Innovations 1.3 Upgrade and Innovations Manual Upgrade an innovations version 1.9.1 In the manual New HW version with the battery switch 1.8.0 In firmware 1.8.0 New Fireman function (fire call setup from the Fire Station to the cabin in the shaft with the lowest address) 1.7.0 In firmware 1.7.0... -
Page 16: Terms And Symbols Used
Terms and Symbols Used 1.4 Terms and Symbols Used ® LiftNet Central unit of the system, typically shared by multiple lifts in a building Audio unit Voice communication unit for lift communication with the dispatching office or another system unit... -
Page 17: Symbols In Manual
Terms and Symbols Used Symbols in Manual Safety Always abide by this information to prevent persons from injury. Warning Always abide by this information to prevent damage to the device. Caution Important information for system functionality. Useful information for quick and efficient functionality. ... -
Page 19: Description And Installation
Description and Installation The section is divided according to system components into the following subsections: PSTN Central Unit Lift Cabin Audio Unit – Universal Lift Cabin Audio Unit – Compact Audio Unit – Machine Room Audio Unit – Lift Shaft / Cabin Roof ... -
Page 20: Pstn Central Unit
PSTN Central Unit 2.1 PSTN Central Unit Description Figure 2.1 Power supply Central Unit Green OK (battery full) LED Indicators Green flashing Battery charging Battery failure Power failure, more than 1 hour of operating time remains Red flashing Power failure, less than 1 hour of operating time remains Red flashing after Audio unit FW upgrade proceeding... -
Page 21: Before You Start
PSTN Central Unit Before You Start CU installation conditions The CU is not designed for outdoor applications. Do not mount the CU onto vibration-producing machines. Install the CU vertically to allow air flow for cooling purposes (never cover the ... -
Page 22: Cu Mounting
PSTN Central Unit Weak and short green flashing The battery is OK and fully charged, you may continue with the installation. If the product was stored for longer period than ½ year, or under temperature exceeding 25 °C proceed according to paragraph b. Caution The product needs to be put in operation after the tape ... - Page 23 telephone terminal equipment may be connected to this line. ® LiftNet requires the telephone line exclusively for itself. This means that NOT even a system through which the telephone line goes (priority connection, ESS, e.g.) may be connected to this telephone line.
- Page 24 PSTN Central Unit Direct PSTN Connection This is the simplest and most reliable type of connection. High operational costs (flat rate costs) are a drawback of this solution. Telephone line requirements No double or group serial line. The telephone socket including cabling is a property of the telecom company ...
- Page 25 PSTN Central Unit GSM Gateway Connection (Temporary – Substitutes the GSM CU Version, Part No. 501303E) Used wherever no fixed telephone line is available. Requirements The GSM gateway has to be functional even in the case of power outage. The GSM gateway has to recover its function without requiring the PIN.
-
Page 26: Interruption Of Operation, Battery Maintenance
PSTN Central Unit Interruption of Operation, Battery Maintenance Caution Never leave the batteries discharged for unnecessarily long periods. If the battery is fully discharged please recharge it as soon as possible. For a detailed description of situations that require your attention due to the state of accumulators during interruption refer to the Maintenance section. -
Page 27: Lift Cabin Audio Unit - Universal
Lift Cabin Audio Unit – Universal 2.2 Lift Cabin Audio Unit – Universal Description The user is not in a direct contact with this product. The controls and indicators depend on the lift cabin control panel type. The indicators (e.g. bulbs or LEDs) are working in accordance with the applicable standards. -
Page 28: Mounting
Lift Cabin Audio Unit – Universal Mounting Main Board Mounting This audio unit is mounted behind the lift control panel. Typically, the panel is ready for installation as shown in the drawing below: 4 spot-welded M4 screws Perforated loudspeaker area Figure 2.4 Top View of Mounting Hole Dimensions for Lift Cabin Audio Unit - Universal... - Page 29 Lift Cabin Audio Unit – Universal Do not use this type of audio unit in a position other than mounted on a sufficiently large board. The acoustic properties of an uninstalled audio unit cannot be guaranteed. Separate Microphone Mounting If the microphone is separated (connected by cable) it has a 25×25 mm large board with self-adhesive foil.
-
Page 30: Electric Installation
Lift Cabin Audio Unit – Universal Electric Installation Description of Terminals, Connectors and Jumpers Figure 2.5 Description of Terminals, Connectors and Jumpers for Lift Cabin Audio Unit – Universal Terminals Connectors “Request accepted” LED ALARM, voltage activation “Connection established” LED ALARM, contact activation Microphone connector CANCEL, voltage activation... - Page 31 Lift Cabin Audio Unit – Universal Note If external LEDs are connected to connectors 7 and 8, on-board LEDs 1 and 2 will not be shining. Address Setting The audio unit address means setting of two jumpers, namely the lift number (1 to 8) and audio unit position (refer to the cover drawing).
- Page 32 Lift Cabin Audio Unit – Universal ALARM Button Connection Requirements The ALARM button design (colour, symbol, button surface, mechanical run) and location have to meet the requirements of the particular installation. Button control Requirements The ALARM button has to be equipped with a normally open (NO) or normally ...
- Page 33 Lift Cabin Audio Unit – Universal CANCEL Input Connection (Door Contact, Optional) This input helps cancel a rescue request if the lift is fully functional. When the ALARM button is pressed, the system waits for a pre-programmed period of time, which is a little longer than the maximum lift running time.
- Page 34 Lift Cabin Audio Unit – Universal Indicator Connection The basic configuration providing (using an external source) a sufficient illumination intensity of indication elements is shown in the figure: Figure 2.7 Basic Indicator Connection for Lift Cabin Audio Unit – Universal Requirements The DC power supply has to be backed-up.
- Page 35 Lift Cabin Audio Unit – Universal Induction Loop Connection The regulations that apply to communicator installations may require a mandatory loop for persons with defective hearing in the lift cabin. In that case, connect the loop to connector (10) with any polarity. The loop including a 1m long cable can be part of your delivery if agreed.
-
Page 36: Lift Cabin Audio Unit - Compact
Lift Cabin Audio Unit – Compact 2.3 Lift Cabin Audio Unit – Compact Description This audio unit is designed for lift wall mounting. No opening has to be cut for installation since the audio unit is surface mounted. Figure 2.9 Description of Lift bin Audio Unit –... -
Page 37: Before You Start
Lift Cabin Audio Unit – Compact Before You Start Requirements The lift wall surface must be perfectly flat. The mounting place must comply with applicable regulations (e.g. standard ALARM button elevation and relative distance from other lift buttons). Product Completeness Check Check the product for completeness before installation please: 1 Compact audio unit... - Page 38 Lift Cabin Audio Unit – Compact Instructions 1. Insert the hex wrench (included in the delivery) in the bottom unit edge hole; turn left about 10 times until it puts up resistance. 2. The window slides down by itself or with little assistance, showing its upper brim.
-
Page 39: Mounting
Lift Cabin Audio Unit – Compact Mounting Just drill holes into the lift cabin wall as indicated in the drawing below or as printed 1:1 on the audio unit package. The larger hole is intended for cable passage. Round the hole edges to avoid cable damage! Figure 2.11 Mounting Hole Dimensions for Lift Cabin Audio Unit Top -... -
Page 40: Electric Installation (Earlier Hw)
Lift Cabin Audio Unit – Compact Electric Installation (Earlier HW) Caution Be sure to connect the wires before wall mounting. The connectors are separable – remove them, connect the wires, tighten the screws and replace the connectors. Connectors Figure 2.12 Bus connector Connectors of Lift Cabin... - Page 41 Lift Cabin Audio Unit – Compact Connectors Figure 2.13 Connectors of Lift Cabin Audio Unit – Compact (Later HW) Warning Make sure that the button is safe, i.e. that the minimum isolation distance is 1.5 mm and the minimum breakdown voltage value is 1,500 V. The button contacts may not be connected to any other circuits.
- Page 42 Lift Cabin Audio Unit – Compact ALARM Button Connection with N/C Contact Figure 2.15 ALARM Button Connection with N/C Contact Note The ALARM button mounted on the cover is still functional when an external button is connected. Voltage Activation Figure 2.16 Voltage Activation Caution 5 - 24 dc voltage of any polarity can be used.
- Page 43 Lift Cabin Audio Unit – Compact Inversion Voltage Control Figure 2.17 Inversion Voltage Control The figure to the right shows a configuration where voltage is present and activation is caused by non-presence of voltage. Bus Connection The connection polarity is arbitrary. Warning Connection to different, e.g.
-
Page 44: Cancel Input Connection (Door Contact, Optional)
Lift Cabin Audio Unit – Compact CANCEL Input Connection (Door Contact, Optional) This input helps cancel a rescue request if the lift is fully functional. When the ALARM button is pressed, the system waits for a pre-programmed period of time, which is a little longer than the maximum lift running time. -
Page 45: Mounting Completion
Lift Cabin Audio Unit – Compact Mounting Completion Connect the wires before wall mounting. The connectors are separable – remove them, connect the wires, tighten the screws and replace the connectors. Mounting the audio unit from the outer lift cabin wall is easier. - Page 46 Lift Cabin Audio Unit – Compact Mounting Completion – without Rear Access 1. Insert the hex wrench (included in the delivery) in the bottom unit edge hole; turn left about 10 times until it puts up resistance. 2. The window slides down by itself or with little assistance, showing its upper brim.
-
Page 47: Audio Unit - Machine Room
Audio Unit – Machine Room 2.4 Audio Unit – Machine Room Description This audio unit is designed for machine room installation. Compared with the other types, it has some unique features: The audio unit contains a telephone set with the HandsFree/receiver modes ... -
Page 48: Before You Start
Audio Unit – Machine Room Operating instructions This unit may only be used by authorised persons such as the lift maintenance staff. The TRIPHONY button activates voice communication between all units with the same lift number. The ALARM button can be used for calls to the dispatching centre. The ALARM button backlight (not required by standards) allows you to find the unit in a dark environment. -
Page 49: Electric Installation
Audio Unit – Machine Room Electric Installation Description of connectors Release the screw on the right-hand side and open the connector cover. There are three connectors: Connectors (under the side door) Figure 2.20 Audio Unit – Machine Bus connector Room Connectors Lift blocking connector Phone connector... - Page 50 Audio Unit – Machine Room Bus Connection Remove the terminal board from the connector, connect the wires and replace the terminal board. The connection polarity is arbitrary. Warning Connection to different, e.g. higher-voltage, cables leads to damage or destruction of the audio unit. Caution The unit is powered via a 2-wire bus from the central unit.
-
Page 51: Audio Unit - Lift Shaft / Cabin Roof
Audio Unit – Lift Shaft / Cabin Roof 2.5 Audio Unit – Lift Shaft / Cabin Roof Description This audio unit is designed for installation on the lift shaft bottom or lift cabin roof, or similar places where communication is needed during lift maintenance, for example. The audio unit is enclosed in a robust yellow cover. -
Page 52: Before You Start
Audio Unit – Lift Shaft / Cabin Roof The ALARM button can be used, for example, when somebody falls into the shaft. The ALARM button backlight (not required by standards) allows you to find the unit in a dark environment. Before You Start Product completeness check Check the product for completeness before installation please:... - Page 53 Audio Unit – Lift Shaft / Cabin Roof Warning Avoid the audio unit address duplicity. Connection Release the screw on the right-hand side and open the connector cover. There is just one connector – for bus connection. Remove the terminal board from the connector, connect the wires and replace the terminal board.
-
Page 55: Configuration
Configuration This section describes programming of 2N® LiftNet. It is possible to program 2N® LiftNet in three ways. PSTN Line Programming Machine Room Telephone Programming PC Programming ... -
Page 56: Ln Programming
2. Machine room telephone programming ® 3. PC USB programming Use 2N LiftManager including the Service Tools. Also, you can use the firmware upgrade, download of language mutations and user-recorded message. PSTN Programming Before You Start Make sure that your telephone enables tone dialling (troubles may occur with ... - Page 57 LN Programming Note You are recommended to change it to secure your equipment against unauthorised access. If you forget your password, contact the manufacturer to recover your data. Programming Procedure Having entered the programming mode, you can change any programmable value(s) in any order.
- Page 58 LN Programming Today, voice transmission is prevailingly digital, using variable compression algorithms. Therefore, the DTMF signal to be transmitted is often distorted. Moreover, it may, in some cases, be transmitted through the so-called command channel, whose delay may differ from that of the speech channel. Caution Experience shows that, especially recently, it is practically impossible to ...
-
Page 59: Parameter Chart (Fw V. 1.9.1)
Parameter Chart (FW v. 1.9.1) 3.2 Parameter Chart (FW v. 1.9.1) Explanatory notes: Grey = future features Par. Parameter Name Range Default Note ALARM button up to 16 blank memory 1 digits 0 - 9 ALARM button up to 16 blank memory 2 digits 0 - 9... - Page 60 Parameter Chart (FW v. 1.9.1) Par. Parameter Name Range Default Note Checking call up to 16 blank memory 6 digits 0 - 9 Adding of a special symbol *, # and “delay” Count of automatic dialling cycles for 0 - 9 checking call Automatic dialling type...
- Page 61 Parameter Chart (FW v. 1.9.1) Par. Parameter Name Range Default Note Repeat message cannot be command changed DTMF identification cannot be Mutes the message too. command changed Call prolongation cannot be The call is prolonged by the time set in command changed parameter 912 again.
- Page 62 Parameter Chart (FW v. 1.9.1) Par. Parameter Name Range Default Note tone) calls). Maximum timeout for pressing the next 1 – 100 s 10 s During password entering, programming, etc. digit Minimum time of 10 – 9999 pressing ALARM, for 100 ms A short time set temporarily for easier testing.
- Page 63 (=27) 2-digit ID) #1 to #10 are 1) User messages recorded into the CU with the aid of Service Tools 2) "" = voice message 3) DTMF sequence (2N protocol) blank Format: *X*Y Y*ID(par.974)*checksum# Sequence of Up to 8 (=1612 X=1 - Alarm, 2 –...
-
Page 64: Pc Configuration
LN, which is connected to the PC through a USB interface. Also enables to upgrade the firmware. At present, no remote PC configuration or upgrade are possible. ® For more information, install and run 2N LiftManager from the CD enclosed. -
Page 65: How To Record User Messages And Numbers
Parameter Chart (FW v. 1.9.1) How to Record User Messages and Numbers From a PC ® To upload the user messages and numbers into the 2N LiftNet device, you will need ® the Service Tools utility. To upload a message into 2N... -
Page 67: Function And Use
Function and Use ® This section describes the basic and extending functions of the 2N LiftNet product. Here is what you can find in the section: User Instructions Dispatching Centre Instructions Fireman Function Function Description (for Advanced Users) -
Page 68: User Instructions
User Instructions 4.1 User Instructions Audio Unit - Lift Cabin The lift cabin audio unit is intended for lay users. Nevertheless, instructions can be placed in the lift cabin, e.g., to help the people trapped in the lift communicate with the dispatching centre. -
Page 69: Audio Unit - Machine Room
User Instructions Audio Unit - Machine Room The shaft audio unit description applies to this audio unit too. To activate any voice function, pick up the receiver of the connected telephone, or enable the HandsFree mode on the telephone. Machine room voice menu When you pick up the phone in the machine room, you can set other functions available in the voice menu using the phone keyboard. -
Page 70: Dispatching Centre Instructions
Dispatching Centre Instructions 4.2 Dispatching Centre Instructions ALARM Call The process starts the moment the ALARM button is pressed on any audio unit. Upon the press, LN calls the dispatching centre (refer to Automatic Dialling for details). 2. When the incoming call is answered by the operator, the LN voice message is played identifying the calling lift. -
Page 71: Alarm Call - Intercom
Dispatching Centre Instructions ALARM Call - Intercom 1. The process starts the moment the ALARM button is pressed on any audio unit (except for the pre-set machine room – dispatching centre unit). Upon the press, LN calls to the pre-set machine room – dispatching centre audio unit (refer to Automatic Dialling for details). -
Page 72: Setting Machine Room Audio Unit Number
Dispatching Centre Instructions Setting Machine Room Audio Unit Number Enter # before the lift number to set the machine room number. For example, 011 - #8 means that calling to lift 8 machine room audio unit is set in ALARM button memory 1. Setting options: 1. -
Page 73: Tone Dialling Control During Call - Complete List Of Commands
Dispatching Centre Instructions Tone Dialling Control during Call – Complete List of Commands Where automatic dialling with confirmation is used, it is possible to use tone dialling for LN control during the call according to the table below. For simplification, commands 1 to 5 are arranged in the sequence they are usually used in. -
Page 74: Fireman Function
Fireman Function 4.3 Fireman Function Intended for firemen’s actions, the Fireman function helps establish calls with the highest priority. Connection is established between the Fire Station and the cabin audio unit. Description The Fire Station is a universal cabin audio unit pre-programmed for the Fireman function. -
Page 75: Function Description For Advanced Users
Function Description (for Advanced Users) 4.4 Function Description (for Advanced Users) Purpose of Section The purpose of this section is to help technicians solve problems, if any. If the system fails to work properly and a well-trained technician monitoring its operation step by step according to the description included herein gets to a point where the description and reality are in contradiction, he or she describes the contradiction, thus facilitating troubleshooting. -
Page 76: Triphony
Function Description (for Advanced Users) Triphony Triphony provides interconnection of audio units. This mode can be activated by pressing the TRIPHONY button in the machine room (see the preceding subsection), in the lift shaft or on the lift cabin roof (audio units No. 913612E). This mode features a different setting of the automatic HandsFree mode. -
Page 77: Call Sequencing
Function Description (for Advanced Users) Call Sequencing If another request arises during communication, the calls are queued. Calls have different priorities – alarm calls have the highest one. Therefore, the alarm call suspends any lower-priority call (the checking call, e.g.). Calls with identical priorities are queued and processed one after another. -
Page 78: Automatic Dialling Of Multiple Numbers With Confirmation
Function Description (for Advanced Users) Automatic Dialling of Multiple Numbers with Confirmation Up to 6 telephone numbers including repetitions can be stored for dispatching office calling. LN then tries to call all the numbers stored. To confirm successful calls, LN uses tone dialling (DTMF). -
Page 79: Automatic Redialling Of Multiple Numbers Without Confirmation
Automatic Call Receiving ® If equipped with a PC with the 2N LiftManager application, the dispatching centre receives calls automatically. It identifies the calling lifts and types of calls (alarm,... -
Page 80: Survey Of Messages
Function Description (for Advanced Users) checking, and automatic failure report). The checking calls are served fully automatically. The alarm calls are transferred to the operator, who uses the above mentioned commands in this case too. Survey of Messages English Meaning Attention, the call is ending. - Page 81 Function Description (for Advanced Users) The switch is provided with a normally closed (NC) contact and executes the required function automatically. Warning The lift CU has to ensure that the lift always goes to the nearest station and opens the door when the contact opens...
-
Page 83: Maintenance
Maintenance ® This section described the 2N LiftNet product maintenance procedures. Here is what you can find in this section: Battery Maintenance Firmware Upgrade ... -
Page 84: Battery Maintenance
Battery Maintenance 5.1 Battery Maintenance First put the accumulators in operation as described in the Description and Installation section (PSTN Central Unit, Before You Start). Also, pay attention to them whenever the operation is interrupted and during replacement. The basic rules are as follows: Warning Never leave the batteries discharged for unnecessarily long periods. -
Page 85: Battery Pack Replacement
LN monitors the battery pack status and indicates the need of replacement upon a certain capacity drop. ® Where the dispatching office is equipped with the 2N LiftManager software, this information is automatically transmitted as an error message. - Page 86 Battery Maintenance...
-
Page 87: Firmware Upgrade
Firmware Upgrade 5.2 Firmware Upgrade Use the Service Tool to upgrade 2N® LiftNet. The Service Tool upgrades the CU and all audio units connected. Procedure 1. Connect the CU to the PC USB. 2. Start the Service Tool. 3. Click on to connect the device, select the device from the list of connected devices and press OK. -
Page 89: Technical Parameters
Technical Parameters ® This section describes the technical parameters of the 2N LiftNet product. -
Page 90: Technical Parameters
Technical Parameters 6.1 Technical Parameters Telephone Parameters Parameter Value Conditions Minimum line current 15 mA off-hook Minimum line voltage 22 V on-hook Off-hook DC voltage drop I = 25 mA < 8 V < 16 V I = 50 mA Off-hook resistance U = 25..100 >1MΩ... -
Page 91: Other Parameters
Technical Parameters Other Parameters Dimensions 913600E, Central unit - PSTN 130×175×46 mm 913601E, Central unit - GSM 130×175×46 mm 913610E, Audio unit – lift cabin, 65×130×20 mm universal 913611E, Audio unit – machine 225×87×67 mm room 913612E, Audio unit – shaft 225×87×67 mm Working temperature range 0 ÷... -
Page 93: Supplementary Information
Supplementary Information ® This section provides supplementary information on the 2N LiftNet product. -
Page 94: Regulations
Regulations 7.1 Regulations ® LiftNet conforms to the following directives and regulations: Directive 1999/5/EC of the European Parliament and of the Council, of 9 March 1999 - on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity... -
Page 95: Troubleshooting
There are three possibilities how to set 2N LiftNet: ® 1. For remote programming you can use the telephone line. 2N LiftNet will guide you by a voice navigation menu. 2. For local programming, use the machine room unit and the phone connected to ®... -
Page 96: List Of Figures
List of Figures 7.3 List of Figures ® Figure 1.1 Example of Connection of PSTN CU and 3 2N LiftNet Audio Units ....... 9 ® Figure 1.2 Example of CU and 2N LiftNet Local Dispatching Audio Unit Connection ....10 ®... -
Page 97: General Instructions And Cautions
General Instructions and Cautions 7.4 General Instructions and Cautions Please read this User Manual carefully before using the product. Follow all instructions and recommendations included herein. Any use of the product that is in contradiction with the instructions provided herein may result in malfunction, damage or destruction of the product. -
Page 98: Electric Waste And Used Battery Pack Handling
General Instructions and Cautions Electric Waste and Used Battery Pack Handling Do not place used electric devices and battery packs into municipal waste containers. An undue disposal thereof might impair the environment! Deliver your expired electric appliances and battery packs removed from them to dedicated dumpsites or containers or give them back to the dealer or manufacturer for environmental-friendly disposal. - Page 99 2N TELEKOMUNIKACE a.s. Modřanská 621, 143 01 Prague 4 Tel.: +420 261 301 111, Fax: +420 261 301 999 E-mail: sales@2n.cz Web: www.2n.cz LŠ1446 v1.9.3...
Need help?
Do you have a question about the LiftNet and is the answer not in the manual?
Questions and answers