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Summary of Contents for Elcon NT1+2a/b
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Page 1: Supplementary Services
NT1+2a/b Supplementary Services User Manual Revision 1.3 2014/04/02 103987... - Page 2 • Please make sure that the device is operated only in faultless condition and that these operating instructions are observed. • Only authorized specialists are allowed to operate the NT1+2a/b and to open the device. • After connecting the device, install the right supply voltage (→ Technical data)! •...
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Page 3: Table Of Contents
5.16 Return to default setting ................17 5.17 Configuration of the S/T-bus interface ............17 5.18 Incoming Call Management ................17 Optical Signalling at NT1+2a/b ..............18 Connection configuration ................18 Positions of switches and connectors ............19 Bus configuration of S/T interface ..............19 Technical Details................... -
Page 4: Introduction
1 Introduction The NT1+2a/b is the joining element between the digital network of the telecommunications company and the ISDN respective analogue terminals. Should any questions regarding installation or operation of your NT1+2a/b arise, please contact directly your telecommunications company. Competent specialists there will give you the required support. -
Page 5: Installation
2 mm. Hang the NT1+2a/b over the screw heads and pull it down until it locks safely in its place. IMPORTANT: Do not permanently expose the NT1+2a/b to the sun! Please keep... -
Page 6: Configuration
4 Configuration The NT1+2a/b is configured by means of DIP switches along with the DTMF signals of a connected analogue telephone. The DTMF settings are always available and not protected by a password. DIP switch settings The switch SW permits to set the basic configuration of the termination resistors at S/T interface. -
Page 7: Service And Configuration Description
If a/b1 and a/b2 use same numbers, both telephones will ring (if they are free) and the one which hooked-off first, will receive the call. To disable your NT1+2a/b for incoming calls, configure a number not subscribed ... -
Page 8: Terminal Type
S/T port are available. In case of local power supply breakdown, 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. -
Page 9: Device Type Configuration
It is possible to select between different device type mode settings. You can select between 4 different modes (see figure 3 and 4 for description of port type) NT1+2a/b (default): full functionality, S/T interface and both analogue ports ON ... -
Page 10: Extended Functions
If you have an active call and a call on hold and you hook on your receiver first, then the active call will be cleared and the NT1+2a/b will remind you of the waiting call in the same way as described above. -
Page 11: Cw - Call Waiting
Although you are allowed to clear a call on hold, you should do this only with active calls by . If there is still a call on hold, your NT1+2a/b will remind you of ® that by . -
Page 12: 3Pty - Three Party Conference
The calling partner will now receive a busy tone or a rejection message from your network provider. You can continue your actual call. New incoming calls will now be rejected until you hook on. Terminate an active call and switch to a waiting one: ... -
Page 13: Cf - Call Forwarding
2, or 3 and inserts the configured MSN 1, 2, or 3 in the outgoing command. So can for example choose only calls to MSN2 for Call Forwarding to an other access. Your NT1+2a/b supports three different kinds of Call Forwarding: CFU, CFB, 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. -
Page 14: Cfnr - Call Forwarding No Reply
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 or a mal- function may result in certain inconsistencies within the Call Forwarding data. This is the reason why an inquiry of the Call Forwarding procedure has been implemented. -
Page 15: Clip - Calling Line Identification Presentation
Upon entering the command, below tone signals can be heard: No tone Exchange does not react to the inquiry Accept tone for CFX Call Forwarding enabled (80 ms Tone 800 ms Pause) tone tone tone Disc tone for CFX Call Forwarding not enabled (500 ms Tone 100 ms Pause) tone tone tone... -
Page 16: Clir - Calling Line Identification Restriction
5.10 CLIR – Calling Line Identification Restriction If you call another subscriber, your telephone number is transmitted with the call. If the other subscriber uses an ISDN equipment or a special device for CLIP, your number is presented to him. If you do not want your number to be transmitted, you can activate the identification restriction in two ways. -
Page 17: Cbt - Clearback Time Delay
For this operation you have 2 minutes time. After this time the call is disconnected by your NT1+2a/b. Configuration is only valid for the own (configuring port). -
Page 18: Malicious Call Identification (Mcid)
5.15 TP – Terminal Portability To change the terminal equipment or to change to another telephone connected to your NT1+2a/b during an active call you can use this service if supported by your provider. If you wish to Suspend an active call: ®... -
Page 19: Return To Default Setting
5.16 Return to default setting In some cases it may be useful to set all functions back to the default settings of our company. For this function dial: After 2 seconds the green light-emitting diode starts with fast flashing. -
Page 20: Optical Signalling At Nt1+2A/B
6 Optical Signalling at NT1+2a/b The equipment has 2 LED to display various operating states. The states marked in bold letters denote the display state in normal mode. LED ~ (yellow) ON local main power supply (230 V ~) remote power (no local power supply) -
Page 21: Positions Of Switches And Connectors
8 Positions of switches and connectors Figure 3 9 Bus configuration of S/T interface max. 100 m ... 200 m < 10 m short passive bus max. 500 m ... 1000 m max. 25 m ... 50 m < 10 m extended passive bus max. -
Page 22: Technical Details
10 Technical Details U interface according to ETSI TS 102 080 Transmission method Two-wire transmission, echo cancellation Channel structure 2B+D, synchronization and service data Line code 2B1Q Transmission rate 80 kBd 144 kbps (2 × 64 kbps + 16 kbps) Net data rate Range 4.8 km with 0.4mm Cu pairs... -
Page 23: Block Diagram
11 Block Diagram Block diagram with functional description and connections for the NT1+2a/b. S/T-interface U-interface exchange S-bus Switch a/b -interface 1 power supply 230 V unit a/b -interface 2 micro controller Our products are subject to continuous further development and improvement.
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