TEC Registration: Series Guideline for Associated Models

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While filing for the Telecommunication Engineering Centre (TEC) Certification with the Department of Telecommunications, the applicant must mention the associated model he wants to incorporate into his business operations post-TEC registration. Here is this article, we have discussed some of the associated models for TEC certificate registration.

Table of Contents

What is a TEC Registration number?

It is a unique ID issued by the TEC authority for your telecom equipment to let the customers know that the product is a quality, certified telecom entity. Any product that’s imported into India has the match the regulatory standards. In the case of telecom equipment, you need to adhere to specific TEC standards. You get the TEC approval certificate for importing products after adhering to it.

Pizza Box Models

In such equipment, generally, a single PCB or motherboard is used for treating several different models. For example, suppose a Pizza Box Model built around a particular motherboard with the largest configuration is tested and certified. Then all other models built around the same motherboard with a lower configuration must be covered by the same certificate. This model is very common for TEC registration. Many pieces of equipment generally fall under this Pizza Box model.

Chases-based Models

Such equipment generally consists of a single chassis with the same backplane. Common function cards like processor or logic cards, power supply cards, and other common control cards are present in the chassis. Different hardware variant models form by inserting a different combination of functional cards in the chassis.

If one model built on one chassis is tested and certified, all other models built around the same chassis must be covered by the same certificate. Therefore, a maximum of 10 associated models (series models) can be included in one application for TEC registration.

Pizza v/s Chases Model

People are generally get confused between chases-based and pizza-based models. The main difference is that Pizza based model is based on a single PCB or motherboard. In contrast, chases-based models have a common backplane with the same processor or power supply. A variety of cards can insert and delete as per requirement. Many who seek TEC certificates for server-type devices fall under Chases based model.

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Family-based Models

Such equipment families consist of several chases with varying capacities that can be inserted interchangeably in any other chases. Depending upon customer requirements, different combinations of chases from the family and different combinations of cards are in use at one site, called one model.

If all chases of the family are test and certified separately or collectively, all cards in the family test and certified by inserting them into whatsoever chassis. The same certificate must cover all other models built by selecting some of the chases and cards. Telecom equipment such as telephones and routers come under these categories for TEC certificate registration.

Split Unit Type Models

Such equipment consists of two functionally independent units, an indoor and an outdoor unit, a baseband unit, and a radio unit. Individual unit safety and EMI/EMC testing are possible in isolation.

However, Each of the two units is often in different varieties; mostly, the outdoor or radio unit variety is based upon frequency of operation and power capability. The indoor or baseband unit variety is based on chassis size, interface cards, etc.

Suppose all the outdoor or radio units have been individually tested. In that case, the collection of such units and all outdoor or radio units will be treated as a family and certified accordingly. Further, the concept of the associate model applies to indoor or baseband units if these meet the criteria for TEC certificate registration.

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Points to Ponder Regarding TEC Registration

Associated Models: In the case of Pizza-box and chases-based models, the model with the largest configuration is the tested model. The other models built around the same motherboard are Associate Models for TEC registration.
Where the plug-in type of interface modules are IN use, if a module with the highest port density is test. module with a lower port density need not be test.
However, a module with two different types of ports will treat as different from a module with either type of port and must be test.
A maximum of 10 associated models can be include in one TEC certificate.
Model numbers of all associated models need indication in the online application in the corresponding BoM file.
In the case of radiating equipment, the model with the highest radio power level test under hard conditions. The same TEC certificate will cover the model of radio equipment with lower power under family-based models.
Consequently, In the case of radiating equipment with different frequency bands, All the tests should carry out on all frequency bands.