evertz hd9084 - CONTROL-A SERIAL PROTOCOL

HD9084 HDTV Caption Encoder Manual
SERIAL CONTROL PROTOCOL
CHAPTER 4: CONTROL-A SERIAL PROTOCOL
TABLE OF CONTENTS
4. CONTROL-A SERIAL PROTOCOL ........................................................... 4-1
4.1. COMMAND QUICK REFERENCE ........................................................................................... 4-1
4.2. COMMAND SYNTAX DESCRIPTION ...................................................................................... 4-2
4.2.1. Special Characters ............................................................................................................ 4-2
4.2.2. Parameters ........................................................................................................................ 4-3
4.2.3. Flow Control Handshaking ................................................................................................. 4-5
4.2.4. Break Handling .................................................................................................................. 4-5
4.2.5. Command Responses ....................................................................................................... 4-5
4.3. Common Commands .............................................................................................................. 4-5
4.3.1. Set Baud Rate ................................................................................................................... 4-5
4.3.2. Reset Encoder ................................................................................................................... 4-7
4.3.3. Set Output Line .................................................................................................................. 4-7
4.3.4. Monitoring Line 21 Data on the Serial Port ........................................................................ 4-7
4.3.5. Controlling the Caption Decoder ........................................................................................ 4-7
4.3.6. Report Firmware Version ................................................................................................... 4-8
4.3.7. Command Help .................................................................................................................. 4-8
4.3.8. Report Bypass Switch Mode .............................................................................................. 4-8
4.3.9. Report Battery Status ........................................................................................................ 4-8
4.3.10. Set / Report Time of Day Clock ...................................................................................... 4-9
4.3.11. Set / Report Calendar Date .......................................................................................... 4-10
4.3.12. Transparent State ........................................................................................................ 4-10
4.
3.13. Null State ..................................................................................................................... 4-10
4.3.14. Direct Control State ...................................................................................................... 4-11
4.3.15. Real Time State ........................................................................................................... 4-12
4.3.16. Display System Status ................................................................................................. 4-13
4.4. TEXT ARTICLES .................................................................................................................... 4-13
4.4.1. Input Article...................................................................................................................... 4-13
4.4.2. Output Article ................................................................................................................... 4-14
4.4.3. Delete Article ................................................................................................................... 4-15
4.4.4. Queue Articles ................................................................................................................. 4-15
4.4.5. Display Article Status ....................................................................................................... 4-16
4.4.6. Display Output Queue ..................................................................................................... 4-16
4.5. EXTENDED DATA SERVICES .............................................................................................. 4-17
4.5.1. Input XDS Article ............................................................................................................. 4-17
4.5.2. Blocking Upstream XDS Packets ..................................................................................... 4-18
4.5.3. Queue XDS Packets ........................................................................................................ 4-19
4.5.4. Delete XDS Packet .......................................................................................................... 4-19
4.5.5. Inserting XDS Articles into Non-Volatile Memory ............................................................. 4-19
4.6. COMM PORT CONTROL COMMANDS ................................................................................. 4-19
4.6.1. Show Port Permission Maps ............................................................................................ 4-20
4.6.2. Alter Port Permission Maps ............................................................................................. 4-20
4.6.3. Show Port Active Maps .................................................................................................... 4-21
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