background image

 

 

21 

11 Block Diagram 

 
Block diagram with functional description and connections for the NT1+2a/b. 
 

Switch

a/b -interface 1

a/b -interface 2

S/T-interface

U-interface

micro controller

power
supply
unit

exchange

230 V

S-bus

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Our products are subject to continuous further development and 
improvement. 

Subject to technical changes without prior notice. 1681 V3 
(especially the national requirements of the clients) 
 
© ELCON Systemtechnik GmbH 2014 
 

 

Summary of Contents for NT1+2a/b

Page 1: ...NT1 2a b Supplementary Services User Manual Revision 1 3 2014 04 02 103987 ...

Page 2: ...ters from the mains socket Care should be taken when installing the power supply and the connection cables to avoid the risk of accidents such as tripping over the cables The device shall be operated only within a temperature range of 0 C to 40 C In case of device failure please contact the manufacturer or the representative in your vicinity Only such devices that will meet the electric safety req...

Page 3: ... 2 CFB Call Forwarding On Busy 11 5 8 3 CFNR Call Forwarding No Reply 12 5 8 4 Call Forwarding control Interrogation 12 5 9 CLIP Calling Line Identification Presentation 13 5 10 CLIR Calling Line Identification Restriction 14 5 11 COLR Connected Line Identification Restriction 14 5 12 CBT Clearback Time Delay 15 5 13 Metering Pulses AOC D 15 5 14 Malicious Call Identification MCID 16 5 15 TP Termi...

Page 4: ...ons company will inform you about the exact date when this will be effected This document describes handling of supplementary services and configuration procedures for the ELCON NT1 2a b The content of this document is subject to change 2 Symbols and abbreviations The receiver is hooked on The receiver is hooked off Call is active The receiver is hooked on A special tone in your receiver dial tone...

Page 5: ...a b to the sun Please keep it dry Connecting the NT1 2a b to the ISDN line U interface A RJ11 connector is available to connect the U interface directly The position of the U interface connector is shown in figures 2 and 3 Connecting the termination units Connect your analogue terminal equipment e g DTMF telephone fax etc to the RJ11 connectors situated in the middle of the housing base or alterna...

Page 6: ...t Acts on Effect SW1 ON S T Receive ON 100 Ω parallel SR OFF SW2 ON S T Transmit ON 100 Ω parallel SX OFF SW3 OFF S T Receive ON additional 100 Ω parallel SR OFF SW4 OFF S T Transmit ON additional 100 Ω parallel SX OFF The pairs SW1 SW2 and SW3 SW4 are each connected in parallel so that these combinations can be set 50 Ω 100 Ω or No Parallel Resistor Description of S T interface connectors RJ45 mo...

Page 7: ...the analogue telephone at a b2 Configure your telephone number MSN for analogue port a b1 or a b2 MSN1 for a bx MSN2 for a bx MSN3 for a bx x 1 for a b port 1 and x 2 for a b port 2 is one of your subscribed telephone numbers you wish to configure without area code Configuration example Your personal ISDN access number MSN1 is 665852 The program sequence is Note The right configuration of your tel...

Page 8: ...wn the NT1 2a b can still work but in restricted mode only In that case one device remains accessible This could be either a b1 or a b2 or one ISDN telephone connected to the S T port You can select the device for emergency mode at S T interface select the device for emergency mode at analogue ports a b1 or a b2 In restricted mode the analogue ports are dynamical a b 1 or a b 2 i e the connection ...

Page 9: ...g or outgoing calls were possible at analogue ports Only configuration entry is in NT1 mode allowed 5 5 CH Call Hold 5 5 1 Standard Functions If you have an active call and want to talk to another partner without disconnecting your first partner you can interrupt your present call in order To establish a second call While the phone is ringing at the second subscriber or while you are talking to hi...

Page 10: ...ame way as described above There is still another way to retrieve a waiting call after your active partner has hooked on and you hear the disconnect tone If you haven t hooked on yet you can Switch to the waiting call with no call active If the waiting call was already cleared you will hear the disconnect tone for a short time overlaid with and you should hook on at this point 5 5 2 Extended funct...

Page 11: ...with a configuration key sequence during an inactive call phase of your NT1 2a b Activation of CW Deactivation of CW Note Activation and deactivation are valid only for that a b interface where that telephone is connected to Key strokes for one active call and one in hold position are described in 5 5 Default setting CW is activated for both analogue ports 5 6 2 Active call phase If you are callin...

Page 12: ...bed in 5 7 Suppress the CW tone Pressing of any digit without leading will suppress the CW tone only The calling subscriber will furthermore receive the call tone and you have still the opportunity to switch to the incoming call 5 7 3PTY Three Party Conference If you want to talk with two external subscribers at the same time you can establish a Three party conference If one call is on hold see 5 ...

Page 13: ...FB CFNR 5 8 1 CFU Call Forwarding Unconditional When you activate this feature every call to your telephone number will not reach you but the number you selected before when activating this service You can use this service for example if you want to redirect every call from your home telephone to your office or vice versa Activation CFU for one telephone number MSN1 SUN Deactivation CFU for one te...

Page 14: ...rding was enabled try to disable all of them Keep in mind that after activation of CFU no call will be put through to you anymore 5 8 4 Call Forwarding control Interrogation In principle it is possible to select several Call Forwarding services for MSN1 e g CFNR CFB The signalling however indicates only one existing Call Forwarding function Besides an eventual replacement of the NT1 2a b a reset o...

Page 15: ...here sequence was faulty or spurious After the error tone special tones can be heard which may differ according to the device state and the national ISDN configuration If any service cannot be enabled please ask your network provider 5 9 CLIP Calling Line Identification Presentation While you send an information with your telephone number to the subscriber you called the number of a calling subscr...

Page 16: ...n of your identification Deactivation of permanent suppression of your identification If your identity presentation is activated permanently and you wish to make an Activation of identification suppression for the present call only CLIR per Call Note Default setting CLIR deactivated 5 11COLR Connected Line Identification Restriction In the same way your number is transmitted to the network when yo...

Page 17: ...for the own configuring port Deactivation of CBT Activation of CBT Note If the service is activated it works for all incoming calls i e if you hook on during an active call the call will still remain active for 2 minutes unless your partner does not hook on If you want to establish a new call within this time you will still be connected to your first connection So you should be careful about using...

Page 18: ...back you have to Resume a suspended call whereby the same park code must be used as in the suspended call Now you can continue your interrupted call If there was an other park code from your ISDN terminal used you can change the park code as described in the following sequence D D new reserved park code which is used automatically for the next Suspend Resume Procedure Tip If another call is active...

Page 19: ...nd Extended passive bus Point to Point connection cf figure 4 Short passive bus Extended passive bus Point to Point Default Short passive bus 5 18Incoming Call Management For use of a PABX at analogue ports it is possible to set all incoming calls send only to a b1 for all incoming calls In case of compatible MSN and Terminal Type the function could be activated with Incoming calls are sent to bot...

Page 20: ...s activated an ISDN device is connected at S T interface Layer 1 is activated Flash slow 1 Hz U interface is activated no ISDN device is connected at S T interface Layer 1 is activated via the analogue ports Flash fast 8 Hz U interface in synchronisation state permanently in error case at U interface OFF Layer 1 is deactivated in sleep mode 7 Connection configuration Analogue Telephone 2 Analogue ...

Page 21: ...tors Figure 3 9 Bus configuration of S T interface Figure 4 TE1 TE2 TE8 S T NT1 max 100 m 200 m 10 m TE1 S T NT1 max 800 m 1500 m TE1 TE2 TE4 S T NT1 max 500 m 1000 m 10 m max 25 m 50 m short passive bus extended passive bus Point to Point ...

Page 22: ...dified Total bit rate 192 kbps Useful bit rate 144 kbps Bus configuration default setting Short passive bus range approx 150 m 220 m Point to point range approx 1 000 m a b Ports according to national requirements Powering current 20 mA Line resistance 600 Ω a b voltage U 44 V Call signals 40 Vrms at 2 2 kΩ 3 µF Call frequency 25 Hz Charging level 400 mVrms Charging frequency 16 kHz Impedance Z 60...

Page 23: ...e 1 a b interface 2 S T interface U interface micro controller power supply unit exchange 230 V S bus Our products are subject to continuous further development and improvement Subject to technical changes without prior notice 1681 V3 especially the national requirements of the clients ELCON Systemtechnik GmbH 2014 ...

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