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Chapter 2 – Telecom Approvals and Regulatory Information 

Multi-Tech Systems, Inc. RJModem Developer's Guide (S000363I) 

23 

 

New Zealand Telecom Warning Notice 

1.  The grant of a Telepermit for any item of terminal equipment indicates only that Telecom has accepted 

that the item complies with minimum conditions for connection to its network. It indicates no 
endorsement of the product by Telecom, nor does it provide any sort of warranty. Above all, it provides 
no assurance that any item will work correctly in all respects with another item of Telepermitted 
equipment of a different make or model, nor does it imply that any product is compatible with all of 
Telecom’s network services. 

 

This equipment is not capable under all operating conditions of correct operating conditions of correct 
operation at the higher speed which it is designated.  33.6 kbps and 56 kbps connections are likely to 
be restricted to lower bit rates when connected to some PSTN implementations. Telecom will accept no 
responsibility should difficulties arise in such circumstances. 

2.  Immediately disconnect this equipment should it become physically damaged, and arrange for its 

disposal or repair. 

3.  This modem shall not be used in any manner which could constitute a nuisance to other Telecom 

customers. 

4.  This device is equipped with pulse dialing, while the Telecom standard is DTMF tone dialing. There is 

no guarantee that Telecom lines will always continue to support pulse dialing. 

 

 

 

Use of pulse dialing, when this equipment is connected to the same line as other equipment, may give 
rise to 'bell tinkle' or noise and may also cause a false answer condition. Should such problems occur, 
the user should NOT contact the Telecom Faults Service.  

 

The preferred method of dialing is to use DTMF tones, as this is faster than pulse (decadic) dialing and 
is readily available on almost all New Zealand telephone exchanges. 

5.  Warning Notice: No '111' or other calls can be made from this device during a mains power failure. 
6.  This equipment may not provide for the effective hand-over of a call to another device connected to the 

same line. 

7.  Some parameters required for compliance with Telecom’s Telepermit requirements are dependent on 

the equipment (PC) associated with this device. The associated equipment shall be set to operate 
within the following limits for compliance with Telecom’s Specifications: 

 

For repeat calls to the same number: 

 

 

There shall be no more than 10 call attempts to the same number within any 30 minute period 
for any single manual call initiation, and 

 

The equipment shall go on-hook for a period of not less than 30 seconds between the end of 
one attempt and the beginning of the next attempt. 

For automatic calls to different numbers: 

 

The equipment shall be set to ensure that automatic calls to different numbers are spaced 
such that there is no less than 5 seconds between the end of one call attempt and the 
beginning of another. 

8.  For correct operation, total of the RN’s of all devices connected to a single line at any time should not 

exceed 5. 

 

South African Statement 

This modem must be used in conjunction with an approved surge protection device.

 

 

Other 

The above country-specific examples do not cover all countries with specific regulations; they are included to 
show you how each country may differ. If you have trouble determining your own country's requirements, check 
with Multi-Tech's Technical Support for assistance. 
 

Summary of Contents for RJModem MT5656RJ

Page 1: ...RJModem MT5656RJ Developer s Guide...

Page 2: ...08 05 Changed the Waste Electrical Electronic Equipment WEEE Statement to Rev B G 07 12 05 Added more text to the Pin Descriptions drawings H 11 30 05 Changed panel mounting diagrams Changed board dr...

Page 3: ...eloper Board 13 5 V 3 3 V Jumper JP6 14 RJModem Schematics 15 Design Considerations 19 PC Board Layout Guidelines 19 Electromagnetic Interference EMI Considerations 19 EMI Filtering 20 Chapter 2 Telec...

Page 4: ...22vis Fast Connect V 80 Synchronous Access 3 3V or 5V power input options Board mount or remote panel mounting Two year warranty Product Ordering Information Product Description Region Order this Prod...

Page 5: ...oltage 5V DC Build Option 10 Absolute Maximum Supply Voltage 5 5VDC 3 3V DC Build Option 10 Absolute Maximum Supply Voltage 3 6VDC Power Requirements 5V Build Option Typical 93mA 46W 5VDC Maximum 112m...

Page 6: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 6 Dimensions For Board Mounting Top View Bottom View...

Page 7: ...ter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 7 Panel Mounting Note Screws bracket and ribbon cable are included in the panel mounting kit Attaching the Mounting Bra...

Page 8: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 8 Dimensional Drawing of the Bracket Cable Specifications...

Page 9: ...nt connectors are approved in place of soldering the unit to the motherboard Follow the Pass Through footprint instructions on the part data sheets The following are recommended by Multi Tech www samt...

Page 10: ...d once connected maintains the connection DTR OFF places the modem in the disconnect state under control of the Dn and Qn commands 4 RESET I Device Reset with pull up The active low RESET input resets...

Page 11: ...This command is an extension of the M command and is used to control the connection modes permitted It is used in conjunction with S36 and S48 Note When Q0 to Q3 are issued to select the mode the subs...

Page 12: ...acteristics TA 0 C to 50 C VDD 5 V 0 25 V VDDMAX 5 5 V Inputs DTR 3 TXD 9 RTS 7 RESET 3 XCLK 11 PWR 5 GND 12 Input High Min 2 V Input Low Max 0 8 V Outputs DCD 2 CTS 6 RI 1 RXD 10 RDCLK 14 TDCLK 8 SPK...

Page 13: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 13 RJModem Developer Board...

Page 14: ...mper is set to match the requirements of your RJModem If this jumper is set incorrectly damage to the RJModem and or the Test Demo card could result Caution Use only the provided Multi Tech Systems In...

Page 15: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 15 RJModem Schematics...

Page 16: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 16 To view the text and numbers increase the viewing percentage to 150 or print the page...

Page 17: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 17...

Page 18: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 18 To view the text and numbers increase the viewing percentage to 150 or print the page...

Page 19: ...ll creepages and clearances for the RJModem have been designed to meet requirements of safety standards EN60950 The requirements are based on a working voltage of 250V Electromagnetic Interference EMI...

Page 20: ...Chapter 1 RJModem Hardware Multi Tech Systems Inc RJModem Developer s Guide S000363I 20 EMI Filtering The RJModem includes EMI filtering as illustrated in the following schematic...

Page 21: ...ct may be tested and certified for other countries or regions Contact Multi Tech at oemsales multitech com to obtain a current list of approvals for the RJModem Countries or Regions Argentina France L...

Page 22: ...esigned to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used i...

Page 23: ...alse answer condition Should such problems occur the user should NOT contact the Telecom Faults Service The preferred method of dialing is to use DTMF tones as this is faster than pulse decadic dialin...

Page 24: ...LIABILITY EXCEED THE PRICE FOR DEFECTIVE PRODUCTS Repair Procedures for U S and Canadian Customers In the event that service is required products may be shipped freight prepaid to our Mounds View Minn...

Page 25: ...bank or your company s purchase order for repair charges Repaired units shall be shipped freight collect unless other arrangements are made in advance Please direct your questions regarding technical...

Page 26: ...sts of recovery from municipal collection points reuse and recycling of specified percentages per the WEEE requirements Instructions for Disposal of WEEE by Users in the European Union The symbol show...

Page 27: ...Compliance 22 EMI filtering schematic 20 F FCC Regulations 22 H Handling Precautions 12 I International Modem Restrictions 22 M Mounting Bracket Attachment 7 N New Zealand Telecom Warning Notice 23 O...

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