AISG 1.1协议 英文版

Antenna Interface Standards Group

Standard No. AISG1: Issue 1.1

30 July 2004

Protocol Specification AISG1 Issue 1.1 Page 1 of 56

Control interface for antenna line devices

Revision History

© Copyright Antenna Interface Standards Group 2002-2004

Antenna Interface Standards Group

Standard No. AISG1: Issue 1.1

30 July 2004

Protocol Specification AISG1 Issue 1.1 Page 2 of 56

6.1 Antenna line network 12

6.1.1. Network current consumption 12

6.1.2. Maximum ALD network current demand 12

6.1.3. Overcurrent protection 12

6.2. Interface Connector types 13

6.2.1. Multi-pole connector 13

6.2.2. Polarity of multi-pole connectors 13

6.3. DC supply 14

6.3.1. Supply voltage 14

6.3.2. Noise and ripple 14

6.5.1. Connections 16

6.5.2. Device terminating impedance 17

6.5.3. Bus terminating impedance 17

6.5.4 Idle-state biasing 17

6.6. Coaxial interface: modem characteristics 17

6.6.1. Interference With Existing Systems 17

6.6.2. Data Rate 18

6.6.3. Recovery Time 18

6.6.4. Impedance 18

6.6.5. Modulation 18

6.6.7.3 Duty Cycle variation 19

6.7. Data rate & format 20

6.7.1. Data Rate 20

6.7.2. Data Format 20

6.8. Resumption of operation after interruption of supply 20

6.8.1. Device Type 1 (RET) 20

6.8.2 Device Type 2 (TMA) 21

6.8.3 Device Type 3 21

Antenna Interface Standards Group

Standard No. AISG1: Issue 1.1

30 July 2004

Protocol Specification AISG1 Issue 1.1 Page 3 of 56

7.3. HDLC Command Sub-set 22

7.3.1. I-frame and INFO-field format 23

7.3.1.1 Parameter determination 23

7.4.3.2 Address Assignment Response 26

7.4.3.3 Device scan command 26

7.4.3.3.1 Primary command (XID frame) 26

7.4.3.3.2 Device Scan Response (XID) 27

7.5. Window Size ( minimum) 27

7.6. Connection Establish 27

7.7. Disconnect 28

7.8. Polling 28

7.9. Information 28

7.10. Message timing 28

8.2. Response format and return codes 30

8.3. Overview of commands 30

8.4. Global Command Interface – Mandatory for all Devices 32

8.4.1. Get Device Type 32

8.4.2. Reset Software 33

8.4.3. Error Detection 33

8.4.4. Read Hardware and Software Information 34

8.4.5. Clear stored Alarms 34

8.4.6. Poll response from Secondary Station 34

8.4.7. Enable Device 35

8.4.12. Set Device Data 38

8.4.13 Get Device Data 38

8.4.14 Software Download (Optional feature) 39

Antenna Interface Standards Group

Standard No. AISG1: Issue 1.1

30 July 2004

Protocol Specification AISG1 Issue 1.1 Page 4 of 56

8.4.15.1 Bit rate change procedure 41

8.5. Device Specific Commands for a RET 42

8.5.1. RET Calibration 42

8.6.3. Set TMA Gain 44

8.6.4. Get TMA Gain 45

8.7. Vendor Specific Commands 45

8.8. Unknown Commands 45

8.9. Additional commands for control and telemetry 46

9. Additional requirements 47

9.1. Electromagnetic compatibility 47

9.2. Lightning protection 47

9.3. Reliability 47

10. Product identification 48

Appendix C: Assigned return codes 51

Appendix D: Assigned fields for additional data 53

Appendix E: Sequence for download of software to a secondary station 55

Appendix F: Product specification compatibility 56

Antenna Interface Standards Group

Standard No. AISG1: Issue 1.1

30 July 2004

Protocol Specification AISG1 Issue 1.1 Page 5 of 56

This draft standard has been produced by the Antenna Interface Standards Group to

facilitate the introduction of antenna line products with remote control and monitoring

facilities.

The purpose of this standard is to ensure basic interoperability of antennas and control

infrastructure.

At the date of publication of this document, the following companies were members of