(Provisional) Test Schedule & Test Procedure (TSTP) on ISM Band modems.pdfTEC/TSTP/GR/CP/MOD-09/03-SEP-12 Sl.No Description 2.2.2.3 Frequency range Test Set up & Test Procedure Check

Telecommunication Engineering Centre

(Provisional)

Test Schedule & Test Procedure (TSTP)

No. TEC/TSTP/GR/CP/MOD-009/03-SEP-12

Against

GR of

RADIO MODEMS IN ISM BAND

GR No.TEC/GR/CP/MOD-009/03-SEP-12

© TEC

TELECOMMUNICATION ENGINEERING CENTRE KHURSHID LAL BHAVAN, JANPATH

NEW DELHI - 110001 INDIA

All Rights Reserved and no part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise without written permission from the Telecommunication Engineering Centre, New Delhi.

TEC/TSTP/GR/CP/MOD-009/03-SEP-12

Department of Telecommunications, Telecommunication Engineering Centre

Khurshid Lal Bhawan, Janpath, New Delhi - 110001

History Sheet

Test Schedule & Test Procedure (TSTP) of

No. TEC/TSTP/GR/CP/MOD-009/03-SEP-12

against GR of

RADIO MODEMS IN ISM BAND

GR No.TEC/GR/CP/MOD-009/03-SEP-12

Sr.

No.

Name of GR Issued on Remarks

1. RADIO MODEM IN ISM BAND MAR, 2000 First Issue

2. RADIO MODEM IN ISM BAND Jan, 2005 Second Issue

3. RADIO MODEM IN ISM BAND SEP , 2012 Revised Issue

Department of Telecommunications,

Telecommunication Engineering Centre Khurshid Lal Bhawan, Janpath, New Delhi – 110001

TEC/TSTP/GR/CP/MOD-009/03-SEP-12 1.0 Scope This document illustrates the Test Schedule and Test procedure to check the compliance of Radio Modems in ISM Band Radio Modems to the TEC specification No. GR No.TEC/GR/CP/MOD-009/03-SEP-12.

These radio modems provide a wireless link in ISM (Industrial, Scientific and Medical) Band and can be used for wireless connectivity (for voice and data) between any two points viz : i) Point to point Voice and Data Communication in enterprise networks, Intranets,

Internet Service

ii) Last mile connectivity for emergency restoration of telecom services.

iii) To provide telephony & Internet access simultaneously over the same radio link by integrating with a suitable Multiplexer (MUX).

iv) Interconnection of cellular and Personal Communication Service (PCS) operators base stations.

v) Wideband Data transmission equipment

The ISM Bands which are also called free or unlicensed bands in India considered for the operation of the radio modems are : -

i) 2400 - 2483.5 MHz. ii) 5825 - 5875 MHz

The operation in these bands is based on wideband digital modulation techniques such as FHSS,DSSS, OFDM etc. on the basis of non- interference, non-protection and non exclusiveness.


Sl.No Description

2.0 Functional & Technical Requirements 2.1 2.1.1

Modem Type of Modems Test Set up & Test Procedure Type A: Check that the modem supports combination of E1 & Ethernet traffic & have capacity to support a minimum of 4 E1 & 10 Mbps of Ethernet data rate.

Type B: - Check that the modem supports pure IP traffic & have the capacity of minimum of 10 Mbps of Ethernet data rate & maximum of 100 Mbps.”

Observation:

Remarks, if any

2.2 Radio

2.2.1 Modulation Test Set up & Test Procedure Check that the radio modem uses any of the wideband digital modulation techniques such as FHSS, DSSS, OFDM etc. that enables the system to work on the basis of non- interference, non-protection and non-exclusiveness in the referred frequency bands.

Observation:

Remarks, if any

2.2.2 2.2.2.1

Transmitter parameter limits Test Set up & Test Procedure Effective Radiated Power

Check that the system with wideband modulations techniques, the maximum peak output power not exceeds 4 watt effective isotropic radiated power (e.i.r.p).

Observation:

Remarks, if any

2.2.2.2 Power Spectral Density – Check that for digitally modulated systems, the power spectral density conducted from the intentional radiator to the antenna is not greater than 8 dBm in any 3 kHz band during any time interval of continuous transmission. This power spectral density is to be determined in accordance with the provisions of paragraph (b) of the FCC Part-15.247. The same method of determining the conducted output power to be used to determine the power spectral density.

Observation:

Remarks, if any


Sl.No Description 2.2.2.3

Frequency range Test Set up & Test Procedure Check that the frequency range of the radio modem is determined by the lowest and highest frequencies occupied by the power envelope.

FH is the highest frequency of the power envelop: it is the frequency furthest above the frequency of maximum power where the output power drops below the level equivalent to –80dBm/Hz e.i.r.p spectral power density (-30 dBm if measured in a 100 kHz bandwidth). FL is the lowest frequency of the power envelop: it is the frequency furthest below the frequency of maximum power where the output power drops below the level equivalent to –80dBm/Hz e.i.r.p spectral power density (-30 dBm if measured in a 100 kHz bandwidth).

The frequency range of the radio modem shall lie within one of the following band:

i) 2400 MHz to 2483.5 MHz (FL > 2400 MHz and FH < 2483.5 MHz )

ii) 5825 MHz to 5875 MHz (FL > 5825 MHz and FH < 5875 MHz)

Observation:

Remarks, if any

2.2.2.4

Field Strength Test Set up & Test Procedure The field strength of emissions from the radio modem operated within these frequency bands shall comply with the following: Table 1: Field strength of emissions

Field strength limits are specified at a distance of 3 meters. Emissions radiated outside of the specified frequency bands, except for harmonics, shall be attenuated by at least 50 dB below the level of the fundamental.

Fundamental Frequency

Field Strength of fundamental (millivolts/meter) Maximum

Field Strength of Harmonics (microvolts/meter) Maximum

2400 – 2483.5 MHz 50 500

5825 – 5875 MHz 50 500

Observation:

Remarks, if any


Sl.No Description

2.2.2.5

Spurious emissions Test Set up & Test Procedure Spurious emissions are emissions outside the frequency range (s) of the radio modem as defined in sub clause 2.2.2.4. The level of spurious emissions shall be measured as: either a) (i) Its power in a specified load (conducted spurious emissions); and

(ii) Its effective radiated power when radiated by the cabinet or structure of the radio modem

or b) Its effective radiated power when radiated by cabinet and antenna. Check that the spurious emissions of the radio modem do not exceed the values in tables 2 and 3 in the indicated bands.

Table 2: Transmitter limits for narrowband spurious emissions

Frequency Range Limit when operating

Limit when in standby

30 MHz –1000 MHz -36 dBm -57 dBm Above 1 GHz –12.75 GHz -30 dBm -47 dBm 1.8 GHz – 1.9 GHz 5 .15 GHz – 5.3 GHz

-47 dBm - 47 dBm

The above limit values apply to narrowband emissions, e.g. as caused by local oscillator leakage. Wideband spurious emission should not exceed the values given in table 3.

Table 3: Transmitter limits for wideband spurious emissions

Frequency Range Limit when operating

Limit when in standby

30 MHz –1000MHz - 86 dBm/Hz - 107dBm/Hz Above 1 GHz –12.75 GHz - 80 dBm/Hz - 97 dBm/Hz 1.8 GHz– 1.9 GHz 5 .15 GHz – 5.3 GHz

- 97 dBm/Hz - 97 dBm/Hz

Observation:

Remarks, if any


Sl.No Description

2.2.3 2.2.3.1

Receiver parameter limits Receiver Sensitivity Test Set up & Test Procedure Check that Fade or gain margin is 20 dB or above. Typical range of operation is to be 40 Km (typical path loss of 132 dB). The receiver sensitivity parameter in dBm @ 10 – 6 BER should be specified by the supplier.

Check that the information in the following tabular format (Table-1 as given below) is given by the vendor / or as specified by the purchaser as part of tendering for different data rates, range& sensitivity, with the EIRP levels limited to as per clause 2.2.2.1. Table 4

S. No.

Tx Power (dBm)

Antenna Gain

Cable Loss

CBW Modulation (Rate)

Distance (K.M. )

No. of E1’s

Remaining ETH Capacity (Mbps)

Net Capacity

Availability

Receiver Sensitivity

Observation:

Remarks, if any

2.2.3.2

Spurious emissions Test Set up & Test Procedure

The level of spurious emissions should be measured as: either

a) (i) Its power in a specified load (conducted spurious emissions); and (ii) Its effective radiated power when radiated by the cabinet or Structure of the radio modem (cabinet radiation); Or

b) Its effective radiated power when radiated by cabinet and antenna.

Check that the spurious emissions of the receiver do not exceed the values in tables 4 and 5 in the indicated bands.

Table 5: Narrowband spurious emissions limits for receivers

Frequency Range Limit

30 MHz –1000 MHz

-57 dBm

Above 1 GHz – 12.75 GHz

- 47 dBm


Sl.No Description

The above limit values apply to narrowband emissions, e.g. as caused by local oscillator leakage.

Wideband emission should not exceed the values given in table 5.

Table 6: Wideband spurious emissions limits for receivers

Frequency Range Limit

30 MHz – 1000MHz

-107 dBm/Hz

Above 1 GHz – 12.75 GHz

- 97 dBm/Hz

Observation:

Remarks, if any

2.2.4

Time Division Duplexing Interference ( Applicable only for TDD System) Test Set up & Test Procedure

Check that when a large number of radio modems are used at one location in a hubbed mode, they do not cause near end mutual interference. The radio modems using Time Division Duplexing (TDD) technique should have a provision of burst synchronization, a system by which all radio modems in that hub transmit bursts of data at same time, to enable a large number of radios to co-exist at one location.

Observation:

Remarks, if any

2.3

Provision of Stand By Test Set up & Test Procedure Check that the Radio modem operates with 1 + 1 configuration in all respects with automatic switchover of transmitter and receiver whenever transmitter or receiver power goes down below threshold due to failure of any module in trans or receive path. The method/procedure along with time limit of switchover/switching also to be provided by the supplier. The system should also provide visual indication to know the working of modem in standby mode.”

Observation:

Remarks, if any


Sl.No Description 2.4

Order wire facility (Optional) Test Set up & Test Procedure

For data rates 2048 Kbps and above , one of the following order wires along with a handset to be provided :- i) One omnibus order wire ii) One express order wire with selective calling facility

Potential free contact for extensions of buzzer calling facility to a centralized place is desirable.

Observation:

Remarks, if any

2.5

Antenna and Cables Test Set up & Test Procedure The details of type and size of antenna required along with interconnecting cable between radio modem and antenna and miscellaneous items required for the complete setup of radio link at both end to meet the requirements for the user's specified link distance, path profile, frequency of operation and data rate, is to be supplied by the supplier.

Observation:

Remarks, if any

2.6

Power Supply Test Set up & Test Procedure Check that the modem operates on AC power supply of 230 V + 10% to –15% and frequency 50 Hz 2 Hz. It should be DC Powered or Powered on Ethernet (POE). DC Supply details to be given by the supplier / manufacturer. Solar/Wind Power option also to be provided.

Observation:

Remarks, if any


Sl.No Description 2.7 2.7.1

Alarms and Diagnostics Alarm Indications Test Set up & Test Procedure Check that there is indication on front panel on LED / LCD display for the following alarms.

a) Transmit power failure b) Receive power below threshold c) Radio sync loss d) Power up e) DTE input loss f) Working of modem in standby mode.

Observation:

Remarks, if any

2.7.2

Diagnostics Test Set up & Test Procedure Check that the Radio Modem supports the following diagnostic:

i) Local loop back test ii) Remote loop back test iii) Loop back to remote end iv) Receive power level determination v) Receive power signal quality determination vi) Data output failure vii) System log capability for alarms and test results viii) Local & remote monitoring

Observation:

Remarks, if any

3.0 3.1

Interconnectivity and Interoperability Digital Line Interface Test Set up & Test Procedure Check that the modem interface is either hardware configurable (e.g. DIP Switches) or software configurable (e.g. AT commands) to act as Data Communication Equipment (DCE) or Data Terminal Equipment (DTE) as per the requirements .The following digital interfaces should be supported on Subscriber End Equipment (SEE) and Exchange End Equipment (EEE).

Observation:

Remarks, if any


Sl.No Description 3.1.1

Digital Interfaces on Subscriber End Equipment (SEE) Test Set up & Test Procedure Check that the Subscriber End Equipment (SEE) is equipped with one or more of with the following physical interfaces with the indicated electrical characteristics :- V.35 / V.36 ISO - 2593 physical connector (34 pin, female type) with provision for holding the corresponding cable using standard screw-type arrangement. The electrical characteristic of interface should be as per the requirements under ITU- T Recommendation V.35/V.36. The pin-allocation for various signals is as given in Table 6. V.11 ISO - 4902 physical connector (37 pin, female type) with provision for holding the corresponding cable using standard screw-type arrangement. The electrical characteristic of interface shall be as per the requirements under ITU- T Recommendation V.11. The pin-allocation for various signals should be as given in Table 6. Iii) V.36/V.35/V.11 ISO - 2110 physical connector (25 pin, female type) with provision for holding corresponding cable using standard screw-type arrangement. The electrical characteristic of interface should be as per the requirements under ITU- T Recommendation V.36/V.35 or V.11 as chosen. The pin allocation for various V.36/V.35 or V.11 signals on the ISO 2110 is as given in Table 7 columns (1&2) for V.36/V.35 and (3&4) for V.11. iv) G.703 Co-directional interface at 64 Kbps with ISO-2110 connector (Female type) and with pin allocation as given in Table 7 column (5). V) G.703 physical interface with ISO 2110 connector ( female type ) with 120 Ohm balanced for 2048 Kbps .The electrical characteristics of interface shall be as per para 6 of ITU- T Recommendation G.703and pin allocation as given in Table7 (column 5). vi) “Ethernet Port shall be as per IEEE 802.3 (Fast Ethernet) & TEC standards G.R. No GR/SLC-01/02 SEPT 2005 & GR on STM 1 Synchro nous Multiplexer TEC/GR/TX /SDH-004/04. JAN. 2011”.

Observation:

Remarks, if any


Sl.No Description 3.1.2

Digital Interfaces on Exchange End Equipment (EEE) Test Set up & Test Procedure Check that the Exchange End Equipment (EEE) is equipped with one or more of the following physical interfaces with the indicated electrical characteristics:- i) V.11 ISO-4902 connector (37 pin, female type) with provision for holding

corresponding cable using standard screw-type arrangement. The electrical characteristic of interface shall be as per the requirements under ITU- T Recommendation V.11. The pin-allocation for various signals is as given in Table 6.

ii) V.36/V.35 ISO-2110 connector (25 pin, female type) with provision for holding the corresponding cable using standard screw-type arrangement. The electrical characteristic of interface shall be as per the requirements under ITU- T Recommendation V.36/V.35. The pin allocation for various signals is as given in Table 7 column (1&2).

iii) G.703 Co-directional interface at 64 Kbps with ISO-2110 connector (Female type) and with pin allocation as given in Table 7 column (5).

iv) G.703 physical interface with 120 Ohm balanced for 2048 Kbps .The electrical

characteristics of interface shall be as per para 6 of ITU- T Recommendation G.703. The modem can be connected to the PSTN on digital line which could be E1 link.”.

a) In case the modem is to be connected over E1 trunk line the physical

characteristics of the trunk line shall be as per the clause 1.2.10.2 of TEC Generic Requirements(GR) No. GR/LLT-01/06.APR 2007. The signaling shall be as per clause 1.2.11 of the same TEC GR.

b) The modem shall support SS7 signaling as per the TEC Generic

Requirements (GR) No. GR/LLT-01/06.APR 2007.

v) “Ethernet Port should be as per IEEE 802.3 (Fast Ethernet) & TEC standards G.R. No. GR/SLC- 01/02 SEPT 2005 & GR on STM 1 Synchronous Multiplexer TEC/GR/TX/SDH-004/04. JAN. 2011”.

Observation:

Remarks, if any

3.1.3

Conversion of different types of physical interfaces to other physical types through external cables in not permitted.

3.1.4 The combination of interfaces given in clause 3.1.1 and 3.1.2 can be simultaneously available or they may be achieved through separate plug in modules.

Observation:

Remarks, if any


Sl.No Description

4.0 4.1 4.1.1

4.1.2 4.1.3 4.1.4

Security & Safety Requirements Test Set up & Test Procedure Safety Requirements Check that the following general safety and security requirements are met for protect ion from various threats : The equipment should comply with safety requirements defined in IEC 60950-1 safety standard. The operating personnel should be protected against shock hazards as per IS 8437 {1993} “Guide on the effects of current passing through the human body” [equivalent to IEC publication 479-1 {1894}]. The radio modem should conform to IS 13252 (1992) “Safety of information technology equipment including electrical business equipment” {equivalent to IEC Publication 950 (1986)} and IEC 215 {1987} “Safety requirements of radio transmitting equipments” {for Radio Equipments only}. The radio modem should follow proper construction practice to minimize unintended radiations due to leakage from any gap or monitoring points. All unused if / rf ports and monitoring points should be terminated. The power flux density shall not exceed 1 mW /cm2 at a distance of 2.5 cms.

Observation:

Remarks, if any

5.0 EMI/EMC Requirements 5.1

Test Devices & Test procedure Check that the equipment conforms to the EMC requirements as per the following standards and limits indicated therein. A test certificate and test report should be furnished from a test agency.

Observation:

Remarks, if any:

5.1 a)

Test Devices & Test procedure Conducted and radiated emission (applicable to telecom equipment): Check that the equipment complies with the below mentioned CISPR/TEC Standards and limits. Name of EMC Standard: “CISPR 22 (2005) with amendment 1 (2005) and amendment 2 (2006) – Limited and methods of measurement of radio disturbance characteristics of Information Technology Equipment”.


Sl.No Description

Limits:-

i) To comply with Class B of CISPR 22 (2005) with amendment 1 (2005) and amendment 2 (2006).

ii) The values of limits shall be as per TEC Standard No. TEC/EMI/TEL-001.

Observation:

Remarks, if any

5.1.b)

Test Devices & Test procedure Immunity to Electrostatic discharge:

Check that the equipment complies with the following mentioned IEC Standards and limits.

Name of EMC Standard: IEC 61000-4-2 {2001} “Testing and measurement techniques of Electrostatic discharge immunity test”.

Limits:- i) Contact discharge level 2 {+ 4 kV} or higher voltage;

ii) Air discharge level 3 {+ 8 kV} or higher voltage;

Observation:

Remarks, if any:

5.1.c)

Test Devices & Test procedure Immunity to radiated RF:

Check that the equipment complies with the below mentioned IEC Standards and limits. Name of EMC Standard: IEC 61000-4-3 (2006) “Testing and measurement techniques – Radiated RF Electromagnetic Field Immunity test”.

Limits:- i) Under Test level 2 {Test field strength of 3 V/m} for general purposes in frequency range 80 MHz to 1000 MHz and

ii) Under test level 3 (10 V/m) for protection against digital radio telephones and other RF devices in frequency ranges 800 MHz to 960 MHz and 1.4 GHz to 6.0 GHz.

Observation:

Remarks, if any:

5.1d)

Test Devices & Test procedure Immunity to fast transients (burst): Check that the equipment complies with the above mentioned IEC Standards and limits.


Sl.No Description

Name of EMC Standard: IEC 61000-4-4 {2004} “Testing and measurement techniques of electrical fast transients / burst immunity test”.

Limits:- Test Level 2 i.e. a) 1 kV for AC/DC power lines; b) 0.5 kV for signal / control / data / telecom lines;

Observation:

Remarks, if any:

5.1 e)

Test Devices & Test procedure Immunity to surges: Check that the equipment complies with the above mentioned IEC Standards and limits.

Name of EMC Standard: IEC 61000-4-5 {2005} “Testing and measurement techniques for Surge immunity test”.

Limits: i) For mains power input ports : (a) 1.0 kV peak open circuit voltage for line to ground coupling (b) 0.5 kV peak open circuit voltage for line to line coupling.

ii) For telecom ports : (a) 0.5 kV peak open circuit voltage for line to ground (b) 0.5 kV peak open circuit voltage for line to line coupling.

Observation:

Remarks, if any:

5.1.f)

Test Devices & Test procedure Immunity to conducted disturbance induced by Radio frequency fields: Check that the equipment complies with the above mentioned IEC Standards and limits.

Name of the EMC Standard:

IEC 61000-4-6 (2003) with amendment 1(2004} &2 (2006) “Testing and measurement techniques-immunity to conducted disturbances induced by radio-frequency fields”.

Limits:

Under the test level 2 {3 V r.m.s} in the frequency range 150 kHz -80 MHz for AC / DC lines and Signal / Control / telecom lines.

Observation:

Remarks, if any:


Sl.No Description 5.1.g)

Test Devices & Test procedure Immunity to voltage dips & short interruptions (applicable to only ac mains power input ports, if any): Name of EMC Standard: IEC 61000-4-11 {2004} “Testing and measurement techniques-voltage dips, short interruptions and voltage variations immunity test”.

Limits:- i) a voltage dips corresponding to a reduction of the supply voltage of 30% for 500ms (i.e. 70% supply voltage for 500 ms)

ii) a voltage dips corresponding to a reduction of the supply voltage of 60% for 200ms (i.e. 40% supply voltage for 200 ms)

iii) a voltage interruption corresponding to a reduction of supply voltage of > 95% for 5s.

Observation:

Remarks, if any:

Note 1 : The test agency for EMC tests shall be an accredited agency and details of accreditation shall be submitted.

Alternatively EMC test report from a non-accredited test lab, which is audited by an accredited lab / accrediting authority for the availability of all the essential facilities (test equipment, test chamber, calibrations in order, test instructions, skilled personnel etc.), required for performing the tests according to the EMC test methods audited, may be acceptable.

However, such accredited lab / accrediting authority should take responsibility of the test results of the “non accredited lab” along with indication of period of such delegation and the submitted test report should be of such valid period of delegation. The audit report, mentioning above facts, should be provided along with EMC test report.

Note 2:- For checking compliance with the above EMC requirements, the method of measurements shall be in accordance with TEC Standard No. TEC/EMI/TEL-001 and the references mentioned therein unless otherwise specified specifically. Alternatively, corresponding relevant Euro Norms of the above IEC/CISPR standards are also acceptable subject to the condition that frequency range and test level are met as per above mentioned sub clauses (a) to (g) and TEC Standard No. TEC/EMI/TEL-001. The details of IEC/CISPR and their corresponding Euro Norms are as follows:


Sl.No Description

IEC/CISPR Euro Norm

CISPR 11 EN 55011

CISPR 22 EN 55022

IEC 61000-4-2 EN 61000-4-2

IEC 61000-4-3 EN 61000-4-3

IEC 61000-4-4 EN 61000-4-4

IEC 61000-4-5 EN 61000-4-5

IEC 61000-4-6 EN 61000-4-6

IEC 61000-4-11 EN 61000-4-11

6.0 6.1

6.2

6.3

6.4 6.5 6.6

Quality Requirements

Test Devices & Test procedure Check that the System meets the following qualitative requirements:-

The equipment shall meet the environmental requirements as per category ‘D’ of QM-333 March 2010 Standard for Environmental Testing of Telecommunication Equipment.

The equipment shall be manufactured in accordance with international quality management system ISO 9001:2008 for which the manufacturer should be duly accredited. A quality plan describing the quality assurance system followed by the manufacturer would be required to be submitted.

The plug-in-units, whose removal or insertion endanger the reliability or performance of the radio modem shall have suitable protection.

The usage of components in the radio modem shall comply to the guidelines vide TEC approval procedure. The source of procurement of components is also required to be submitted by the manufacturers.

Marking and identification of the equipment, sub assemblies, PCBs etc. shall be as per guidelines given in para 5.1.7 of Quality Assurance Circle document No. QM 301.

The MTBF (Mean Time Between Failure) and MTTR (Mean Time To Restore) predicted and observed values shall be furnished along with calculations by the manufacturer. Based on these figures, 3 years maintenance spares shall be specified by the equipment supplier. The radio modem availability shall be more than 99.9%.

Observation:

Remarks, if any:


Sl.No Description

7.0 7.1 7.2

Other Requirements Test Devices & Test procedure General Requirements Check that the Radio modem is designed, constructed and manufactured in accordance with good engineering practice, and with the aim of minimizing harmful interface to other equipment and services. Those controls (of the radio part) which, if maladjusted, might increase the interfering potential of the radio modem shall not be easily accessible to the user. Maintenance Support The supplier should undertake to repair any faulty sub system and return within one month from the date the sub system is handed over at a designated office in the country. Adequate infrastructure for this and spares should exist with the supplier within the country.

Observation:

Remarks, if any:

7.3 7.3.1

7.3.2 7.3.3 7.3.4

Documentation Check that the following points are met with. Complete documentation including technical literature in English with detailed block schematic and circuit diagram of various sub-assemblies shall be provided. All aspects of installation, operation, testing, maintenance and repair shall also be covered in the handbook. Procedure for repair giving full details of test setup shall be indicated. Test jigs and fixtures if any, required for maintenance and repair shall also be indicated. The manufacturer shall indicate the repair philosophy. The necessary flow charts for probable faults and the remedial actions shall be provided in the repair manuals. Each sub-assembly and component shall be clearly marked with schematic reference to show its function so the they are identifiable from the component layout diagram in the handbook.

Observation:

Remarks, if any:


Sl.No Description

8.0

Ordering Information

Test Devices & Test procedure

Check that the following items are specified in tender / during order depending on the requirement:-

a) Type of Radio Modems b) Single or multiple input c) Data rate at each input d) Digital interfaces ( SEE and EEE ) e) Frequency of operation f) Antenna and interconnect cable g) Order wire facility (Yes/N0)

Observation:

Remarks, if any:

9.0

Type Approval Certificate ( TAC )

Check that the following items are mentioned in Type Approval Certificate (TAC):-

a) Type of Modems b) Frequency of operation c) Single or multiple input d) Data rate at each input e) Digital interface


Table6

ISO 2593

V.35/V.36 CIRCUIT

FUNCTION CCITT REC

POLARITY

PIN NUMBER

CTI102 Common ground B CTI103 B Transmitted data V.35 Pos. S CTI103 A Transmitted data V.35 Neg. P CTI104 B Received data V.35 Pos. T CTI104 A Received data V.35 Neg. R CTI105 Request to send V.28 C CTI106 Clear to send V.28 D CTI107 Data set ready V.28 E CTI108/2 Data terminal ready V.28 H CTI109 Carrier detect V.28 F CTI113 B Transmit clock (DTE source) V.35 Pos. W CTI113 A Transmit clock (DTE source) V.35 Neg. U CTI114 B Transmit clock (DCE source) V.35 Pos. AA CTI114 A Transmit clock (DCE source) V.35 Neg. Y CTI115 B Receive clock (DCE source) V.35 Pos. X CTI115 A Receive clock (DCE source) V.35 Neg. V CTI122 Backward channel received

line signal detect V.28 JJ

CTI140 Remote loopback – Loop 2 V.28 N CTI141 Remote loopback – Loop 3 V.28 L CTI142 Test indicator V.28 NN

Table7

ISO 4902 CIRCUIT

V.11 FUNCTION POLARITY TYPE PIN

NUMBER CT102 Common ground 19 CT102 b DCE Common ground 20 CT102 a DTE Common ground 37 CT103 B Transmitted data Pos. V.11 22 CT103 A Transmitted data Neg. 4 CT104 B Received Data Pos. V.11 24 CT104 A Received Data Neg. 6 CTI105 B Request to send Pos. V.10 25 CTI105 A Request to send Neg. 7 CTI106 B Clear to send Pos. V.10 27 CTI106A Clear to send Neg. 9


Table8

V 35/V36 V 11 G703 ISO2110 (1) (2) (3) (4) (5) Connector pin Nos.

Circuits/Signals

DCE DTE Circuit/ Signals

DCE DTE Circuit/ Signals

01 02 103 a 103 a Trans. 03 104 a 104 a Receive 04 105 105 a 05 106 106 a 06 107 107 07 102 102 a 08 109 109 a 09 115 b 115 b 10 109 b 11 113 b 113 b 12 114 b 114 b 13 106 b 14 103 b 103 b Trans. 15 114 a 114 a 16 104 b 104 b Receive 17 115 a 115 a 18 141 141 19 105 b 20 108 108 21 140 140 22 125 125 23 102 b 24 113 a 113 a 25 142 142

END OF THE DOCUMENT **********************************

Documents

(Provisional) Test Schedule & Test Procedure (TSTP) on ISM Band modems.pdfTEC/TSTP/GR/CP/MOD-09/03-SEP-12 Sl.No Description 2.2.2.3 Frequency range Test Set up & Test Procedure Check